• 25 Clutch121
• 26 Manual transmission319
• 27 Automatic transmission45
• 28 Transfer case1
• 29 Pedal assembly10
• 31 Frame, trailer operation44
• 32 Suspension33
• 33 Front axle113
• 35 Rear axle158
• 40 Wheels, chassis alignment check35
• 41 Propeller shaft14
• 42 Brakes - hydraulic and mechanical systems36
• 43 Brakes - pneumatic system and auxiliary brakes10
• 46 Steering88
• 54 Electrical system, equipment and instruments11
• 55 Auxiliary drive systems, hydraulic and linkage systems4
• 57 Central lubrication system2