• 25 Clutch91
• 26 Manual transmission71
• 27 Automatic transmission152
• 29 Pedal assembly11
• 31 Frame, trailer operation59
• 32 Suspension43
• 33 Front axle3
• 35 Rear axle1
• 40 Wheels, chassis alignment check32
• 41 Propeller shaft5
• 42 Brakes - hydraulic and mechanical systems66
• 43 Brakes - pneumatic system and auxiliary brakes54
• 46 Steering30
• 54 Electrical system, equipment and instruments121
• 55 Auxiliary drive systems, hydraulic and linkage systems2
• 57 Central lubrication system17