US Patent 10150503 Hybrid vehicle

A hybrid zero turn vehicle is disclosed, having an internal combustion engine supported on a frame and an operator platform located adjacent to the rear of the frame. An upright riser is disposed on the frame. The vehicle uses an electrical generating device driven by the engine and first electric drive motors or transmissions to drive the output wheels. An electrical bus or controllers may be mounted on a panel of the upright riser and offset vertically above the engine to assist in providing a compact design. A pair of drive levers is mounted on the upright riser for controlling the output of the vehicle.