EXHIBIT 10.17 Alamo Group Inc. 750 E. Mulberry, Suite 401 San Antonio, TX 78212 February 23, 1999 WEC Company c/o Madison Dearborn Partners, Inc. Three First National Plaza, Suite 3800 Chicago, IL 60602 Gentlemen: Reference is made to that certain Amended and Restated Agreement and Plan of Merger dated as of September 4, 1998 by and among Alamo Group Inc., a Delaware corporation ("Alamo"), WEC Company, a Delaware corporation ("WEC") and AGI Acquisition Corp., a Delaware corporation and a wholly owned subsidiary of WEC ("AGI") (the "Merger Agreement"). Alamo, WEC and AGI hereby terminate the Merger Agreement pursuant to, and in accordance with, Section 8(a)(i) thereof effective as of the date hereof. Alamo Group Inc. a Delaware corporation By: /S/ DONALD J. DOUGLASS Name: Donald J. Douglass Title: Chairman and Chief Executive Officer Agreed and Accepted as of the date written above. WEC Company, AGI Acquisition Corp. a Delaware corporation a Delaware corporation By: /S/ PAUL WOOD By: /S/ PAUL WOOD Name: Paul Wood Name: Paul Wood Title: Chairman Title: Chairman