Alamo (ALG) 10-Q 2006 Q1 Quarterly report

Exhibit 32.2

CERTIFICATION PURSUANT TO
18 U.S.C. SECTION 1350,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of Alamo Group Inc. (the "Company") on Form 10-Q for the period ended March 31, 2006 as filed with the Securities and Exchange Commission on the date hereof (the "Report"), I, Richard J. Wehrle, Vice President, Corporate Controller and Principal Accounting Officer of the Company, certify, pursuant to 18 U.S.C. ss. 1350, as adopted pursuant to ss. 906 of the Sarbanes-Oxley Act of 2002, that:

1.       The Form 10-Q fully complies with the requirements of section 13 (a) or 15 (d) of the Securities Exchange Act of 1934 (15 U.S.C. 78m or 78o(d)); and

2.       The information contained in the Form 10-Q fairly presents, in all material respects, the financial condition and results of operations of the Company.

May 10, 2006	/s/ Richard J. Wehrle
	Vice President, Corporate Controller &
	Principal Accounting Officer