Allis-Chalmers introduced ... to use the power of the engine to “spin” the rear wheel to the desired position. The narrowest position was used to reduce side draft when plowing and the wider ...

Harry Merritt, the general manager of the Allis-Chalmers ... one side when cultivating. The hand-operated turning brakes were replaced by foot pedals in 1941. Rubber tires and a gasoline engine ...

To keep the show different each year, the AETA highlights a different brand of antique engine or tractor, although most brands are represented. This year's featured brand is Allis-Chalmers ...