The Heider C 15-27 is a standard-tread farm tractor produced from 1924 to 1927 by Heider, a part of Rock Island, built in Rock Island, Illinois, USA. It features a Waukesha 7.8L 4-cylinder liquid-cooled kerosene engine with a displacement of 478 ci, rated at 900 RPM. The tractor has a 7-speed unsynchronized gear transmission and two-wheel drive with manual steering and a four-post canopy. It delivers 15 hp drawbar power claimed, with tested drawbar power of 21.54 hp and belt power up to 30 hp. Dimensions include a 96-inch wheelbase, 144-inch length, 74-inch width, and 96-inch height, riding on 30x5 front and 57x10 rear steel tires.
Heider C 15-27Heider tractorfarm tractorWaukesha engine7-speed transmissiontractor specifications1924 tractor