Patent ID: 6044720
Filing Date: 2000-04-04
Classification: B60K,F16H,Y10T

Abstract:
A drive transmission assembly for working vehicles comprising:a first fluid-operated speed change mechanism (23) operable to perform a speed change transmission between a first drive shaft (21) and a first driven shaft (22), which are arranged in parallel with each other, by a selective actuation of plural fluid-actuated clutches (63, 64, 65), and a second fluid-operated speed change mechanism (24) operable to perform a speed change transmission between a second drive shaft (26) and a second driven shaft (27) by a selective actuation of plural fluid-actuated clutches (75, 76, 77), said first and second speed change mechanisms (23, 24) being arranged within a vehicle body (2) in series in a longitudinal direction of said vehicle body and being connected in series with each other;wherein said first drive shaft (21) is arranged at a level lower than that of said first driven shaft (22), said plural fluid-actuated cluches (63, 64, 65) of said first speed change mechanism (23) being mounted on said first drive shaft (21); andwherein said second drive shaft (26) is arranged co-axially with and is coupled to said first driven shaft (22) whereas said second driven shaft (27) is arranged in parallel with said second drive shaft (26) at a level lower than that of said second drive shaft, said plural fluid-actuated clutches (75, 76, 77) of said second fluid-operated speed change mechanism (24) being mounted on said second driven shaft (27).