• 25 Clutch87
• 26 Manual transmission193
• 27 Automatic transmission42
• 31 Frame, trailer operation61
• 32 Suspension71
• 33 Front axle2
• 35 Rear axle1
• 40 Wheels, chassis alignment check32
• 41 Propeller shaft5
• 42 Brakes - hydraulic and mechanical systems67
• 43 Brakes - pneumatic system and auxiliary brakes58
• 46 Steering18
• 54 Electrical system, equipment and instruments138
• 55 Auxiliary drive systems, hydraulic and linkage systems4
• 57 Central lubrication system18