- 25 Clutch106
- 26 Manual transmission120
- 27 Automatic transmission3
- 29 Pedal assembly9
- 31 Frame, trailer operation44
- 32 Suspension29
- 33 Front axle53
- 35 Rear axle162
- 40 Wheels, chassis alignment check34
- 41 Propeller shaft14
- 42 Brakes - hydraulic and mechanical systems30
- 43 Brakes - pneumatic system and auxiliary brakes32
- 46 Steering87
- 54 Electrical system, equipment and instruments12
- 55 Auxiliary drive systems, hydraulic and linkage systems1
- 57 Central lubrication system2