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|1. (WO1985005333) HYDROSTATIC VEHICLE CONTROL|
|Applicants:||CATERPILLAR TRACTOR CO.
|Inventors:||MITCHELL, Randall, M.
|Title:||HYDROSTATIC VEHICLE CONTROL|
An apparatus (10) for regulating the speed of internal combustion engine (16) of a hydrostatic system. A fuel control means (34) acts to control the quantity of fuel delivered to the engine (16) responsive to the immediate hydraulic flow demanded by operation of the hydrostatic system. The speed of the engine (16) is set to one of a plurality of discrete levels in response to the required flow being within one of a corresponding plurality of preselected ranges.