• 25 Clutch23
• 26 Manual transmission352
• 27 Automatic transmission45
• 28 Transfer case1
• 31 Frame, trailer operation61
• 32 Suspension77
• 33 Front axle42
• 35 Rear axle245
• 40 Wheels, chassis alignment check35
• 41 Propeller shaft6
• 42 Brakes - hydraulic and mechanical systems100
• 43 Brakes - pneumatic system and auxiliary brakes61
• 46 Steering174
• 54 Electrical system, equipment and instruments139
• 55 Auxiliary drive systems, hydraulic and linkage systems2
• 57 Central lubrication system18