The Allis Chalmers HD14 is a crawler-type tractor manufactured by Allis Chalmers. This model was outfitted with a 6-cylinder General Motors 6-71 diesel engine with a displacement of 426 cubic inches, suitable for heavy-duty applications. It features a cooling system capacity of 48 quarts to manage the heat generated during operation effectively. The HD14 has a vertical I-head valve configuration and operates at a rated RPM of 1500, which is typical for tractors of its era. It was offered with two types of transmission -- a traditional 6-speed sliding gear and a torque converter type with 3 forward gears and 1 reverse. Designed with a robust frame, the HD14 has a length of 165 inches, a width of 92 inches, and an operating weight of 28,750 pounds, capable of taking on substantial ground engagement and earthmoving tasks.
