• 25 Clutch83
• 26 Manual transmission392
• 27 Automatic transmission7
• 28 Transfer case1
• 29 Pedal assembly32
• 31 Frame, trailer operation51
• 32 Suspension51
• 33 Front axle66
• 35 Rear axle271
• 40 Wheels, chassis alignment check46
• 41 Propeller shaft19
• 42 Brakes - hydraulic and mechanical systems171
• 43 Brakes - pneumatic system and auxiliary brakes41
• 46 Steering111
• 54 Electrical system, equipment and instruments40
• 55 Auxiliary drive systems, hydraulic and linkage systems2
• 57 Central lubrication system2