- 25 Clutch37
- 26 Manual transmission254
- 27 Automatic transmission60
- 28 Transfer case2
- 29 Pedal assembly13
- 31 Frame, trailer operation44
- 32 Suspension28
- 33 Front axle53
- 35 Rear axle101
- 40 Wheels, chassis alignment check33
- 41 Propeller shaft5
- 42 Brakes - hydraulic and mechanical systems29
- 43 Brakes - pneumatic system and auxiliary brakes34
- 46 Steering87
- 54 Electrical system, equipment and instruments7
- 55 Auxiliary drive systems, hydraulic and linkage systems2
- 57 Central lubrication system2