|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               | Filed                Pursuant to Rule                424(b)(3)                                                 |
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|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               | Registration                No. 333-124310                                                                     |
| PRICING                SUPPLEMENT NO. 425                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| Dated                February 4, 2008 to                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| PROSPECTUS                SUPPLEMENT                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
| Dated                June 8, 2005 and                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |                                                                                                           |
| PROSPECTUS                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |                                                                                                           |
| Dated                May 13, 2005                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  |                                                                                                           |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |                                                                                                           |
| CATERPILLAR                FINANCIAL SERVICES                CORPORATION                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| MEDIUM-TERM                NOTES, SERIES F,                FLOATING RATE NOTES DUE 2010                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |                                                                                                           |
| SUBJECT                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            | FINAL                PRICING DETAILS                                                                           |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |                                                                                                           |
| Issuer:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            | Caterpillar                Financial Services                Corporation                                       |
| Title                of Securities:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                | Medium-Term                Notes, Series F,                Floating Rate Notes Due 2010                        |
| Form                of Security:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   | Global                Note                                                                                     |
| Ratings:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           | A2/A                                                                                                           |
| Format:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            | SEC                Registered-Registration                Statement Number 333-124310                          |
| Trade                Date/Pricing Effective                Time:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   | February                4, 2008                                                                                |
| Settlement                Date (Original Issue                date):                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               | February                8, 2008                                                                                |
| Maturity                Date:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      | February                8, 2010                                                                                |
| Principal                Amount:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   | $250,000,000                                                                                                   |
| Price                to Public (Issue                Price):                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       | 100.00%                                                                                                        |
| Dealers'                Commission:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                | 00.10%                (10 basis points)                                                                        |
| All-in-price:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      | 99.900%                                                                                                        |
| Net                Proceeds to Issuer:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             | $249,750,000                                                                                                   |
| Interest                Rate Basis                (Benchmark):                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     | 3                Month USD LIBOR, as determined                by LIBOR Telerate                               |
| Index                Currency:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     | U.S.                Dollars                                                                                    |
| Spread                (Plus or Minus):                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             | +                45 basis points (0.45%)                                                                       |
| 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                                                                                                            |
| Index                Maturity:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     | Three                Months                                                                                    |
| Interest                Rate Calculation:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          | USD                LIBOR determined on Interest                Determination Date plus the Spread              |
| 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                                                                                                            |
| Initial                Interest Rate:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              | To                be determined two (2) London                Business Days prior to the Original Issue Date   |
| Maximum                Interest Rate:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              | N/A                                                                                                            |
| Minimum                Interest Rate:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              | N/A                                                                                                            |
| Interest                Reset Periods and                Dates:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    | Quarterly                on the 8th of February,                May, August and November of each year prior    |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               | to                the Maturity Date, subject to                Modified Following Business Day convention      |
| Interest                Determination                Dates:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        | Quarterly,                two London Business                Days prior to each Interest Reset Date            |
| Interest                Payment Dates:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             | Interest                will be paid quarterly on                the 8th of February, May, August and November |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               | of                each year, commencing May 8,                2008 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:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               | Actual/360                                                                                                     |
| Denominations:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     | Minimum                denominations of $1,000                with increments of $1,000 thereafter             |
| Joint                Bookrunners:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  | Banc                of America Securities LLC                (Billing and Delivering - 28.34%)                 |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               | Citigroup                Global Markets Inc.                (28.33%)                                           |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               | Goldman,                Sachs & Co.                (28.33%)                                                |
| Co-Managers:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       | J.P.                Morgan Securities Inc.                (5%)                                                 |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               | ABN                AMRO Incorporated (5%)                                                                      |
|                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               | RBC                Capital Markets Corporation                (5%)                                             |
| Exchange                Rate Agent:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                | U.S.                Bank Trust National                Association                                             |
| Calculation                Agent:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  | U.S.                Bank Trust National                Association                                             |
| CUSIP:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             | 14912L3T6                                                                                                      |
| Other                Terms:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        | N/A                                                                                                            |
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| CAPITALIZED                TERMS USED HEREIN                WHICH ARE DEFINED IN THE PROSPECTUS SUPPLEMENT SHALL HAVE THE MEANINGS                ASCRIBED THERETO IN THE PROPSECTUS 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. AFTER THE                ISSUANCE OF THE NOTES COVERED BY THIS PRICING SUPPLEMENT, $1,300                MM                PRINCIPAL AMOUNT OF NOTES REMAIN AVAILABLE FOR SALE PURSUANT TO THE                ACCOMPANYING PROSPECTUS SUPPLEMENT. |