• 25 Clutch38
• 26 Manual transmission27
• 27 Automatic transmission144
• 29 Pedal assembly6
• 31 Frame, trailer operation7
• 32 Suspension14
• 33 Front axle54
• 35 Rear axle207
• 40 Wheels, chassis alignment check15
• 41 Propeller shaft6
• 42 Brakes - hydraulic and mechanical systems94
• 43 Brakes - pneumatic system and auxiliary brakes16
• 46 Steering86
• 54 Electrical system, equipment and instruments33
• 55 Auxiliary drive systems, hydraulic and linkage systems3