• 25 Clutch38
• 26 Manual transmission339
• 27 Automatic transmission7
• 28 Transfer case1
• 29 Pedal assembly8
• 31 Frame, trailer operation44
• 32 Suspension32
• 33 Front axle113
• 35 Rear axle154
• 40 Wheels, chassis alignment check35
• 41 Propeller shaft14
• 42 Brakes - hydraulic and mechanical systems35
• 43 Brakes - pneumatic system and auxiliary brakes10
• 46 Steering88
• 54 Electrical system, equipment and instruments9
• 55 Auxiliary drive systems, hydraulic and linkage systems1
• 57 Central lubrication system2