• 25 Clutch41
• 26 Manual transmission107
• 27 Automatic transmission2
• 29 Pedal assembly17
• 31 Frame, trailer operation7
• 32 Suspension25
• 33 Front axle60
• 35 Rear axle108
• 40 Wheels, chassis alignment check18
• 41 Propeller shaft5
• 42 Brakes - hydraulic and mechanical systems162
• 43 Brakes - pneumatic system and auxiliary brakes12
• 46 Steering74
• 54 Electrical system, equipment and instruments38
• 55 Auxiliary drive systems, hydraulic and linkage systems1