- 25 Clutch50
- 26 Manual transmission279
- 27 Automatic transmission48
- 28 Transfer case3
- 29 Pedal assembly22
- 31 Frame, trailer operation51
- 32 Suspension54
- 33 Front axle88
- 35 Rear axle205
- 40 Wheels, chassis alignment check48
- 41 Propeller shaft8
- 42 Brakes - hydraulic and mechanical systems177
- 43 Brakes - pneumatic system and auxiliary brakes17
- 46 Steering113
- 54 Electrical system, equipment and instruments41
- 55 Auxiliary drive systems, hydraulic and linkage systems1
- 57 Central lubrication system2