• 25 Clutch57
• 26 Manual transmission417
• 27 Automatic transmission42
• 28 Transfer case1
• 29 Pedal assembly14
• 31 Frame, trailer operation47
• 32 Suspension38
• 33 Front axle106
• 35 Rear axle186
• 40 Wheels, chassis alignment check46
• 41 Propeller shaft2
• 42 Brakes - hydraulic and mechanical systems176
• 43 Brakes - pneumatic system and auxiliary brakes77
• 46 Steering118
• 54 Electrical system, equipment and instruments22
• 55 Auxiliary drive systems, hydraulic and linkage systems1
• 57 Central lubrication system2