Exhibit31.1

 

I, RonaldA. Robinson, President and Chief Executive Officer, certify that:

 

| 1.     | I have reviewed this quarterlyreport on Form 10-Q of Alamo Group Inc.;                                                                                                                                                                                                                                                             |
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| 2.     | Basedon my knowledge, this report does not contain any untrue statement of amaterial fact or omit to state a material fact necessary to make the statementsmade, in light of the circumstances under which such statements were made, notmisleading with respect to the period covered by this report;                             |
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| 3.     | Based on myknowledge, the financial statements, and other financial information includedin this quarterly report, fairly present in all material respects the financialcondition, results of operations and cash flows of the registrant as of, andfor, the periods presented in this quarterly report;                            |
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| 4.     | The registrant's other certifying officer(s) and I are responsible for establishing and maintaining disclosurecontrols and procedures (as defined in Exchange Act Rule 13a-15(e) and15d-15(e)) and internal control over financial reporting (as defined inExchange Act Rules 13a-15(f) and 15d-15(f) for the registrant and have: |
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|   | a                                                                                                                                                                                                                                                                                                                                  | Designed such disclosure controls andprocedures or caused such disclosure controls and procedures to be designedunder our supervision, to ensure that material information relating to theregistrant, including its consolidated subsidiaries, is made known to us byothers within those entities, particularly during the period in which thisreport is being prepared; |
|   | b.                                                                                                                                                                                                                                                                                                                                 | Designed such internal control over financial reporting,or caused such internal control over financial reporting to be designed underour supervision, to provide reasonable assurance regarding the reliability offinancial reporting and the preparation of financial statements for externalpurposes in accordance with generally accepted accounting principles; |
|   | c.                                                                                                                                                                                                                                                                                                                                 | Evaluated the effectiveness of the registrant'sdisclosure controls and procedures and presented in this report our conclusionsabout the effectiveness of the disclosure controls and procedures, as of theend of the period covered by this report based on such evaluation; and |
|   | d.                                                                                                                                                                                                                                                                                                                                 | Disclosed in this report any change in the registrant'sinternal control over financial reporting that occurred during the registrant'smost recent fiscal quarter (the registrant's fourth fiscal quarter in the caseof an annual report) that has materially affected, or is reasonably likely tomaterially affect, the registrant's internal control over financial reporting;and |
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| 5.     | The registrant's other certifying officer(s) and I have disclosed, based on our most recent evaluation ofinternal control over financial reporting, to the registrant's auditors and theaudit committee of the registrant's board of directors (or persons performingthe equivalent functions):                                    |
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|   | a.                                                                                                                                                                                                                                                                                                                                 | All significant deficiencies and materialweaknesses in the design or operation of internal control over financialreporting which are reasonably likely to adversely affectthe registrant's ability to record, process, summarize and report financialinformation; and |
|   | b.                                                                                                                                                                                                                                                                                                                                 | Any fraud, whether or not material, thatinvolves management or other employees who have a significant role in theregistrant's internal control over financial reporting. |

 

 

| Date:   August 6, 2010 | /s/ Ronald A. Robinson                           |
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|                             | Ronald A. Robinson                               |
|                             | President  & Chief Executive Officer

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