Patent ID: 6405514
Filing Date: 2002-06-18
Classification: A01D,B60Y,F15B,Y10S

Abstract:
A turf maintenance equipment unit, which comprises:(a) a traction frame capable of movement over the ground; (b) at least one turf maintenance operating unit coupled to the frame; (c) a hydraulic traction system for powering the traction frame, the traction system comprising a source of pressurized fluid, at least one front drive motor powering at least one front drive wheel on the traction frame, and at least one rear drive motor powering at least one rear drive wheel on the traction frame, the front and rear drive motors being connected in parallel to the source of pressurized fluid by a fluid path that provides full pump flow to the front and rear drive motors in both forward and reverse directions; and (d) a pressure reducing device for supplying the at least one rear drive motor with full pump flow at different maximum pressures during forward and reverse motions of the traction frame.