The HS 400 Power Shift Transmission with Hydrostatic Steer for High Speed Military Tracklaying Vehicles 680540

This paper discusses the philosophy that guided the design of a 400 hp steering transmission used in the Marine Corps' new 50,000 lb amphibious personnel carrier. It describes in detail the design of the steer and brake section and the problems posed by utilizing an advanced design hydrostatic steer unit. It covers the design of the gearing, the housing, and the hydraulic control and lube system, and it gives information gathered during nearly a year of testing.


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