• 25 Clutch127
• 26 Manual transmission422
• 27 Automatic transmission7
• 28 Transfer case1
• 29 Pedal assembly17
• 31 Frame, trailer operation44
• 32 Suspension28
• 33 Front axle53
• 35 Rear axle163
• 40 Wheels, chassis alignment check34
• 41 Propeller shaft15
• 42 Brakes - hydraulic and mechanical systems30
• 43 Brakes - pneumatic system and auxiliary brakes35
• 46 Steering87
• 54 Electrical system, equipment and instruments9
• 55 Auxiliary drive systems, hydraulic and linkage systems2
• 57 Central lubrication system2