Patent ID: 6269927
Filing Date: 2001-08-07
Classification: F16H

Abstract:
In a working vehicle wherein the vehicle running speed is changed by the selective operation of plural fluid-operated clutches (40H, 40L, 43A, 43B, 43C), a speed change control device characterized in:that a valve casing (55) is mounted on an outer side surface of a vehicle body (2) which includes in it said plural fluid-operated clutches, said valve casing having plural direction control valves (46H, 46L, 46A, 46B, 46C) for controlling the supply of operating fluid individually to said plural fluid-operated clutches and plural pressure sensors (47H, 47L, 47A, 47B, 47C) for respectively sensing fluid pressure applied to said plural fluid-operated clutches, said plural direction control valves being secured to said valve casing from one of upper and lower surfaces of said valve casing and said plural pressure sensors being secured to said valve casing from the other of said upper and lower surfaces of said valve casing.