• 25 Clutch34
• 26 Manual transmission384
• 27 Automatic transmission31
• 29 Pedal assembly1
• 31 Frame, trailer operation3
• 32 Suspension19
• 33 Front axle30
• 35 Rear axle80
• 40 Wheels, chassis alignment check56
• 41 Propeller shaft2
• 42 Brakes - hydraulic and mechanical systems197
• 43 Brakes - pneumatic system and auxiliary brakes72
• 46 Steering19
• 54 Electrical system, equipment and instruments34
• 55 Auxiliary drive systems, hydraulic and linkage systems1