A hydrostatic continuously variable transmission (example of a hydraulic continuously variable transmission) 4, which is employed as a main transmission, is connected to the rear end portion of the clutch housing 3. A vehicle frame 6 is made by connecting a transmission case 5 to the rear end ...
the sleeve 22 is caused by means of the control arm 25 to slide rightward or leftward along the left differential shaft 20. As a result the clutch is operated to bring the differential locking mechanism F into or out of action. The differential locking mechanism F should desirably include ...