- 25 Clutch119
- 26 Manual transmission573
- 27 Automatic transmission158
- 29 Pedal assembly18
- 31 Frame, trailer operation61
- 32 Suspension95
- 33 Front axle56
- 35 Rear axle127
- 40 Wheels, chassis alignment check35
- 41 Propeller shaft7
- 42 Brakes - hydraulic and mechanical systems84
- 43 Brakes - pneumatic system and auxiliary brakes165
- 46 Steering175
- 54 Electrical system, equipment and instruments153
- 55 Auxiliary drive systems, hydraulic and linkage systems3
- 57 Central lubrication system18