- 25 Clutch113
- 26 Manual transmission193
- 27 Automatic transmission3
- 29 Pedal assembly13
- 31 Frame, trailer operation44
- 32 Suspension37
- 33 Front axle53
- 35 Rear axle152
- 40 Wheels, chassis alignment check32
- 41 Propeller shaft15
- 42 Brakes - hydraulic and mechanical systems29
- 43 Brakes - pneumatic system and auxiliary brakes31
- 46 Steering87
- 54 Electrical system, equipment and instruments12
- 55 Auxiliary drive systems, hydraulic and linkage systems1
- 57 Central lubrication system2