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A utility vehicle incorporating a frame, a load bed mounted at the rear of the frame and front and rear axles secured to the fame, has an engine mounted to the frame between the front and rear axles, a mechanical gear box secured to the frame and a differential mounted in the gear box and engaged to

A utility vehicle incorporating a frame, a load bed mounted at the rear of the frame and front and rear axles secured to the fame, has an engine mounted to the frame between the front and rear axles, a mechanical gear box secured to the frame and a differential mounted in the gear box and engaged to and driving the rear axles. A hydraulic pump housing is secured to the frame and has a pump input shaft extending therefrom. A hydraulic motor housing is secured to the frame and hydraulically connected to the pump. A motor output shaft, driven by the hydraulic motor, extends out of the motor housing and is engaged to a gear box input shaft.

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1. A vehicle having a frame, a load bed mounted on the frame at the rear thereof and front and rear axles secured to the frame, comprising:an engine mounted to the flame between the front and rear axles; a mechanical gear box scoured to the frame; a differential mounted in the gear box and engaged t

1. A vehicle having a frame, a load bed mounted on the frame at the rear thereof and front and rear axles secured to the frame, comprising:an engine mounted to the flame between the front and rear axles; a mechanical gear box scoured to the frame; a differential mounted in the gear box and engaged to and driving the rear axle; a hydraulic pump mounted in a pump housing secured to the vehicle frame and having a pump input shaft engaged to the pump and extending out of the pump housing parallel to the longitudinal axis of the axle shafts; a hydraulic motor mounted in a motor housing secured to the vehicle and connected to the hydraulic pump through hoses; and a motor output shaft driven by the hydraulic motor and extending out of the motor housing parallel to the pump shaft, the motor output shaft engaged to the gear box input shaft. 2. A vehicle as set forth in claim 1, wherein the motor output shaft engages the gear box input it through a pulley arrangement.3. A vehicle as set forth in claim 1, wherein the hydraulic motor housing is mounted directly to the gear box.4. A vehicle as set forth in claim 1, wherein the motor shaft and pump shaft are bot parallel to the longitudinal axes of the font and rear axles.5. A vehicle as set forth in claim 1, wherein the hydraulic pump is mounted on the vehicle laterally between the engine and hydraulic motor.6. A vehicle as set forth in claim 1, further comprising a charge pump engaged to the hydraulic pump.7. A vehicle as set forth in claim 6, further comprising an oil cooler hydraulically connected to the charge pump and the hydraulic motor.