• 25 Clutch81
• 26 Manual transmission103
• 27 Automatic transmission2
• 28 Transfer case2
• 29 Pedal assembly8
• 31 Frame, trailer operation4
• 32 Suspension4
• 33 Front axle31
• 35 Rear axle19
• 40 Wheels, chassis alignment check3
• 41 Propeller shaft1
• 42 Brakes - hydraulic and mechanical systems74
• 43 Brakes - pneumatic system and auxiliary brakes23
• 46 Steering110
• 54 Electrical system, equipment and instruments18
• 55 Auxiliary drive systems, hydraulic and linkage systems50