Importance

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Abstract

A hydraulic axle combination includes a housing having first and second pump chambers containing spaced, axially aligned, first and second hydrostatic pumps with respective pump shafts and input gears; first and second hydraulic motors connected with respective first and second pumps via intermediate manifold blocks thereby enabling closed-loop internal drive systems between the associated pumps and motors and forming first and second independent hydrostatic transmissions wherein the hydraulic motor output shafts serve as first and second axle shafts; an input shaft, extending between the two transmissions, includes a gear for supplying torque to and meshing perpendicularly with the pump shaft input gears and forming, therewith a T-shaped gear box, the housing optionally including: an internal sump serving as an integral combination fluid reservoir for the axle combination, at least one breather cap, a fluid filter assembly and a drain port and plug, all mounted in various housing sides.

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First Claim