| CALCULATION      OF REGISTRATION FEE                                                            |
|-------------------------------------------------------------------------------------------------|
| Title      of Each Class of Securities Offered                                                  | Maximum      Aggregate Offering Price (1) | Amount      of Registration Fee(2) |
| MEDIUM-TERM      NOTES, SERIES F, 7.15% NOTES DUE 2019                                          | $1,000,000,000 | $39,300.00 |
| (1)      Excludes accrued interest, if any.                                                     |   |   |
| (2)      Calculated in accordance with Rule 457(r) under the Securities Act of      1933.  |

|  PRICING      SUPPLEMENT NO. 435                 |   | Filed      Pursuant to Rule 424(b)(3) |
|-------------------------------------------------------|--------|---------------------------------------|
| Dated      February 5, 2009 to                        |   | Registration      No. 333-150218      |
| PROSPECTUS      SUPPLEMENT                            |   |                                  |
| Dated      April 11, 2008 and                         |   |                                  |
| PROSPECTUS                                            |   |                                  |
| Dated      April 11, 2008                             |   |                                  |
| CATERPILLAR      FINANCIAL SERVICES CORPORATION       |
| MEDIUM-TERM      NOTES, SERIES F, 7.15% NOTES DUE2019 |

|                      |   | 2008 |   |   | 2007   |   |   | CHANGE |
|---------------------------|--------|------|--------|--------|--------|--------|--------|--------|
| Revenues                  |   | $    | 661    |   |   | $      | 780    |   |   |   | (15 | %) |
| Profit      Before Tax    |   | $    | (10    | )      |   | $      | 172    |   |   |   | (106 | %) |
| Profit      After Tax     |   | $    | 13     |   |   | $      | 113    |   |   |   | (88 | %) |
| New      Retail Financing |   | $    | 3,428  |   |   | $      | 4,100  |   |   |   | (16 | %) |
| Total      Assets         |   | $    | 33,082 |   |   | $      | 29,429 |   |   |   | 12 | %  |

|                      |   | 2008 |   |   | 2007   |   |   | CHANGE |
|---------------------------|--------|------|--------|--------|--------|--------|--------|--------|
| Revenues                  |   | $    | 2,999  |   |   | $      | 2,998  |   |   |   | 0 | %  |
| Profit      Before Tax    |   | $    | 505    |   |   | $      | 728    |   |   |   | (31 | %) |
| Profit      After Tax     |   | $    | 385    |   |   | $      | 494    |   |   |   | (22 | %) |
| New      Retail Financing |   | $    | 15,879 |   |   | $      | 14,074 |   |   |   | 13 | %  |

| SUBJECT                                                                                                                                                                                                                                                                                                                                                                                                                 |   | FINAL PRICING DETAILS                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|--------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|                                                                                                                                                                                                                                                                                                                                                                                                                    |   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| Issuer:                                                                                                                                                                                                                                                                                                                                                                                                            |   | Caterpillar      Financial Services Corporation                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
| Title      of Securities:                                                                                                                                                                                                                                                                                                                                                                                          |   | Medium-Term      Notes, Series F, 7.15% Notes Due 2019                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| Ratings:                                                                                                                                                                                                                                                                                                                                                              |   | A      (Stable Outlook) by Standard & Poor’s, a division of The McGraw-Hill      CompaniesA2      (Negative Outlook) by Moody’s Investors Service, Inc.A+      (Negative Outlook) by Fitch Ratings Ltd.Ratings      may be changed, suspended or withdrawn at any time and are not a      recommendation to buy, hold or sell any security.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| Format:                                                                                                                                                                                                                                                                                                                                                                                                            |   | SEC      Registered-Registration Statement Number 333-150218                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| Trade      Date/Pricing Effective Time:                                                                                                                                                                                                                                                                                                                                                                                 |   | February      5, 2009                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
| Settlement      Date (Original Issue Date):                                                                                                                                                                                                                                                                                                                      |   | February      12, 2009, which is the fifth business day following the Trade Date.      Accordingly, purchasers who wish to trade the Medium-Term Notes on the      date hereof or the next business day will be required, because the      Medium-Term Notes will not initially settle in T+3, to specify an      alternative settlement date at the time of such trade to prevent a failed      settlement and should consult their own advisors.                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| Maturity      Date:                                                                                                                                                                                                                                                                                                                                                                                                     |   | February      15, 2019                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| Principal      Amount:                                                                                                                                                                                                                                                                                                                                                                                                  |   | $1,000,000,000                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| Price      to Public (Issue Price):                                                                                                                                                                                                                                                                                                                                                                                     |   | 99.83%                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| Dealers'      Commission:                                                                                                                                                                                                                                                                                                                                                                                               |   | 0.475%      (47.5 basis points)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
| All-in-price:                                                                                                                                                                                                                                                                                                                                                                                                           |   | 99.355%                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| Net      Proceeds to Issuer:                                                                                                                                                                                                                                                                                                                                                                                            |   | $993,550,000                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| Coupon                                                                                                                                                                                                                                                                                                                                                                                                                  |   | 7.15%                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
| Yield      to Maturity                                                                                                                                                                                                                                                                                                                                                                                                  |   | 7.174%                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| Spread      Multiplier:                                                                                                                                                                                                                                                                                                                                                                                                 |   | N/A                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| Spread/Spread      Multiplier Reset Option:                                                                                                                                                                                                                                                                                                                                                                             |   | N/A                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| Optional      Reset Dates (only applicable if option to reset spread or spread      multiplier):                                                                                                                                                                                                                                                                                                                        |   | N/A                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| Basis      for Interest Rate Reset (only applicable if option to reset spread or      spread multiplier):                                                                                                                                                                                                                                                                                                               |   | N/A                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| Specified      Currency:                                                                                                                                                                                                                                                                                                                                                                                                |   | U.S.      Dollars                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
| Option      to Elect Payment in U.S. Dollars  (only applicable if Specified      Currency is other than U.S. Dollars):                                                                                                                                                                                                                                                                                        |   | N/A                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| Authorized      Denominations (only applicable if Specified Currency is other than U.S.      Dollars):                                                                                                                                                                                                                                                                                                                  |   | N/A                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| Historical      Exchange Rate (only applicable if Specified Currency is other than U.S.      Dollars):                                                                                                                                                                                                                                                                                                                  |   | N/A                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| Maximum      Interest Rate:                                                                                                                                                                                                                                                                                                                                                                                             |   | N/A                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| Minimum      Interest Rate:                                                                                                                                                                                                                                                                                                                                                                                             |   | N/A                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| Interest      Payment Dates:                                                                                                                                                                                                                                                                                                                                                                                       |   | Interest      will be paid semi-annually on the 15th of February and    August                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
|                                                                                                                                                                                                                                                                                                                                                                                                                    |   | of      each year, commencing August 15, 2009 and ending on the Maturity      Date                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| Stated      Maturity Extension Option:                                                                                                                                                                                                                                                                                                                                                                                  |   | N/A                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| Extension      Period(s) and Final Maturity Date (only applicable if option to extend      stated maturity):                                                                                                                                                                                                                                                                                                            |   | N/A                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| Basis      for Interest Rate During Extension Period (only applicable if option to      extend stated maturity):                                                                                                                                                                                                                                                                                                        |   | N/A                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| Original      Issue Discount Note:                                                                                                                                                                                                                                                                                                                                                                                      |   | N/A                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| Total      Amount of OID:                                                                                                                                                                                                                                                                                                                                                                                               |   | N/A                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| Terms      of Amortizing Notes:                                                                                                                                                                                                                                                                                                                                                                                         |   | N/A                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| Redemption      Date(s):                                                                                                                                                                                                                                                                                                                                                                                                |   | N/A                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| Redemption      Price:                                                                                                                                                                                                                                                                                                                                                                                                  |   | N/A                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| Repayment      Date(s):                                                                                                                                                                                                                                                                                                                                                                                                 |   | N/A                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| Repayment      Price(s):                                                                                                                                                                                                                                                                                                                                                                                                |   | N/A                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| Day      Count Convention:                                                                                                                                                                                                                                                                                                                                                                                              |   | 30/360                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| Denominations:                                                                                                                                                                                                                                                                                                                                                                                                     |   | Minimum      denominations of $1,000 with increments of $1,000    thereafter                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| Joint      Lead Managers & Bookrunners:   Co-Managers:                        Billing      and Delivery Agent:                                                                                                                                                               |   | Barclays      Capital Inc.  (25.0%)Citigroup      Global Markets Inc. (25.0%)Goldman,      Sachs & Co. (25.0%)BNP      Paribas Securities Corp. (3.125%)Commerzbank      Capital Markets Corp. (3.125%)Greenwich      Capital Markets, Inc. (3.125%)ING      Financial Markets LLC (3.125%)Mitsubishi      UFJ Securities International plc (3.125%)RBC      Capital Markets Corporation (3.125%)SG      Americas Securities, LLC (3.125%)TD      Securities (USA) LLC (3.125%)Mitsubishi      UFJ Securities International plc is not a U.S. registered broker-dealer      and, therefore, to the extent that it intends to effect any sales of the      notes in the United States, it will do so through one or more U.S.      registered broker-dealers as permitted by Financial Industry Regulatory      Authority regulations.Citigroup      Global Markets Inc. |
| Exchange      Rate Agent:                                                                                                                                                                                                                                                                                                                                                                                               |   | U.S.      Bank Trust National Association                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
| Calculation      Agent:                                                                                                                                                                                                                                                                                                                                                                                                 |   | U.S.      Bank Trust National Association                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
| CUSIP:                                                                                                                                                                                                                                                                                                                                                                                                                  |   | 14912L4E8                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
| Other      Terms:                                                                                                                                                                                                                                                                                                                                                                                                       |   | N/A                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
|                                                                                                                                                                                                                                                                                                                                                                                                                    |   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
| CAPITALIZED      TERMS USED HEREIN WHICH ARE DEFINED IN THE PROSPECTUS SUPPLEMENT SHALL      HAVE THE MEANINGS ASCRIBED THERETO IN THE PROSPECTUS SUPPLEMENT. THE      INTEREST RATES ON THE NOTES MAY BE CHANGED BY CATERPILLAR FINANCIAL      SERVICES CORPORATION FROM TIME TO TIME, BUT ANY SUCH CHANGE WILL NOT      AFFECT THE INTEREST RATE ON ANY NOTES OFFERED PRIOR TO THE EFFECTIVE DATE      OF THE CHANGE. |