How to Select the Right Hydrostatic Transmission Circuit for Hydraulically Powered Vehicles

When designing a multi-wheel drive off-the-road vehicle, utilizing a hydrostatic hydraulic power transmission system, the design engineer is confronted with the problem of how to arrange the hydraulic circuit to provide steering flexibility, good all wheel tractive effort, rough terrain capability, etc. This paper outlines some of the basic techniques that can be used in designing a vehicle hydrostatic power transmission circuit.