• 25 Clutch130
• 26 Manual transmission184
• 27 Automatic transmission13
• 28 Transfer case1
• 29 Pedal assembly25
• 31 Frame, trailer operation51
• 32 Suspension56
• 33 Front axle65
• 35 Rear axle290
• 40 Wheels, chassis alignment check46
• 41 Propeller shaft9
• 42 Brakes - hydraulic and mechanical systems173
• 43 Brakes - pneumatic system and auxiliary brakes43
• 46 Steering117
• 54 Electrical system, equipment and instruments74
• 55 Auxiliary drive systems, hydraulic and linkage systems2
• 57 Central lubrication system3