General Description 1. Engine 2. Connecting Plate 3. Torque Converter 4. Rear Transmission Shaft 5. Rear Transaxle 6. Balanced Housing The power of engine (1) transmits to torque converter and power gearshift gearbox inside the hydrodynamic transmission (3) through the connecting plate (2). It will realize the speed at each shift of FORWARD/REVERSE through the selection of clutch to adapt the exterior load. The power was transmitted to rear transaxle (5), to right and left balanced housing (6) through the rear transmission shaft (4), then the power drives the chains of chain wheel and the power was transmitted to the wheels. 20-20