- 25 Clutch37
- 26 Manual transmission93
- 27 Automatic transmission3
- 28 Transfer case2
- 29 Pedal assembly11
- 31 Frame, trailer operation61
- 32 Suspension33
- 33 Front axle76
- 35 Rear axle152
- 40 Wheels, chassis alignment check59
- 41 Propeller shaft5
- 42 Brakes - hydraulic and mechanical systems44
- 43 Brakes - pneumatic system and auxiliary brakes7
- 46 Steering73
- 54 Electrical system, equipment and instruments5
- 55 Auxiliary drive systems, hydraulic and linkage systems1
- 57 Central lubrication system2