1971-02-01

Design and Development of the Transmission System for The Allis-Chalmers HD-41 Crawler Tractor 710725

Design features and development of the power transmission system consisting of the hydraulic torque converter, drive shaft, powershift transmission, and integrated hydraulic system are discussed in this paper. The hydraulic control system relating to the dump valve transmission clutches and the forward-reverse inhibit system designed for full throttle shifts without thermal failure is of particular importance.

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