Including engine, torque converter, gearbox, front and rear drive axle, referred to as four large pieces.
2. There are three pumps on the torque converter, the working pump (supply lift, dump pressure oil), the steering pump (supply steering pressure oil), the variable speed pump, also called the travel pump (supply torque converter, transmission pressure oil), some models Pilot pump is also installed on the steering pump (supply control valve pilot pressure oil)
3. Working hydraulic oil circuit, hydraulic oil tank, working pump, multi-way valve, lift cylinder and tipping cylinder
4. Traveling oil circuit: transmission oil sump oil, travel pump, all the way into the torque converter, all the way to the gear position valve, the transmission clutch
5. Drive: drive shaft, main differential, wheel reducer
6. Steering oil circuit: fuel tank, steering pump, steady flow valve (or priority valve) steering gear, steering cylinder
7. The gearbox has one (planetary) and split (fixed)