Patent ID: 7392654
Filing Date: 2008-07-01
Classification: B60K,F04B

Abstract:
1. A hydraulic drive apparatus driven by a prime mover, comprising: a housing having a first pump chamber, a second pump chamber and a gear chamber; a first pump rotatably mounted in the first pump chamber; a first pump shaft drivingly engaged to the first pump; a second pump rotatably mounted in the second pump chamber; a second pump shaft drivingly engaged to the second pump; an input shaft driven by the prime mover, the input shaft extending into the gear chamber and drivingly engaged to the first and second pump shafts; a first center section with hydraulic porting formed therein and a second center section with hydraulic porting formed therein, wherein the center sections are secured to opposite ends of the housing; a power take off unit driven by the input shaft; and a first hydraulic motor attached to the first center section and hydraulically connected to the first pump and a second hydraulic motor attached to the second center section and hydraulically connected to the second pump.