Allis Chalmers HD10

The Allis Chalmers HD10 is an agricultural crawler tractor produced from 1940 to 1950. It was built in Springfield, Illinois, USA, with a total production of 8,750 units. It features a General Motors 4.7L 4-cylinder blower diesel engine, liquid-cooled 2-cycle vertical I-head design, and a 6-speed sliding gear transmission with 6 forward and 2 reverse gears. The tractor has a drawbar power of 65 hp claimed and 82.19 hp tested, and belt power of 86 hp claimed and 98.5 hp tested. It rides on 18-inch tracks with a ground pressure of 7.16 psi and weighs between 20,380 and 21,455 pounds. The operator station is open, and the tractor is designed for crawler drive.