Patent ID: 7269948
Filing Date: 2007-09-18
Classification: F04B,F15B,F16H

Abstract:
1. A working vehicle comprising: an engine; a flywheel housing disposed adjacent to the engine; an HST unit, being secured to the flywheel housing, comprising an oil hydraulic motor, an oil hydraulic pump, an oil hydraulic circuit block containing oil hydraulic circuits therein and supporting one end of an oil hydraulic motor shaft and one end of an oil hydraulic pump shaft, and a cover housing secured to the oil hydraulic circuit block to cover the oil hydraulic motor and the oil hydraulic pump and support the other end of the oil hydraulic motor shaft and the other end of the oil hydraulic pump shaft; and at least one pressure measurement port for measuring oil pressure in an oil hydraulic closed circuit which connects the oil hydraulic pump and the oil hydraulic motor via working oil being provided in the oil hydraulic circuit block.