Gehl signs deal with Rahal Letterman Lanigan Racing BROWNSBURG, Ind. (March 13, 2014) – Rahal Letterman Lanigan Racing (RLL) announced today that the Gehl brand, part of Manitou Americas, Inc. has returned as an associate sponsor of the team’s IndyCar Series program. Manitou Americas, Inc. is a producer of Gehl, Manitou, and Mustang branded equipment for construction, agriculture, mining, energy industries and beyond. In addition, Gehl will enter into their ninth season of involvement with Graham Rahal, whom they have had a personal services contract with since his 2006 Atlantic Championship season where he was runner up to the champion. Gehl was an associate sponsor of the race team from 2006-2008.