• 25 Clutch51
• 26 Manual transmission271
• 27 Automatic transmission145
• 29 Pedal assembly7
• 31 Frame, trailer operation7
• 32 Suspension17
• 33 Front axle41
• 35 Rear axle209
• 40 Wheels, chassis alignment check15
• 41 Propeller shaft7
• 42 Brakes - hydraulic and mechanical systems92
• 43 Brakes - pneumatic system and auxiliary brakes90
• 46 Steering86
• 54 Electrical system, equipment and instruments33
• 55 Auxiliary drive systems, hydraulic and linkage systems3