Abstract: A wheel kit is disclosed for converting snowmobiles into wheeled vehicles. The kit is mounted on the chassis of a snowmobile after removal of the front skis and endless track. The conversion device comprises a front wheel drive assembly including a frame secured to the front end of the chassis of the snowmobile and a pair of laterally spaced wheels rotatably mounted on the frame and powered by the snowmobile engine, and a rear wheel steering assembly including a frame secured to the rear end of the snowmobile chassis, a single wheel pivotally mounted on the rear frame and steering means interconnecting the rear wheel to the regular steering mechanism of the snowmobile.

Abstract: A cotton harvester having a hydrostaticly steered rear guide wheel assembly is provided with a steering arm having a raised horizontal segment which moves with the guide wheel. When the guide wheel off center, the raised horizontal segment contacts one of a pair of contact arms and grounds an electric circuit from one of a pair of indicator lamps in the operator's compartment turning the lamp on and informing the operator of the direction in which the harvester will steer.