• 25 Clutch91
• 26 Manual transmission796
• 27 Automatic transmission68
• 28 Transfer case7
• 29 Pedal assembly22
• 31 Frame, trailer operation75
• 32 Suspension111
• 33 Front axle99
• 35 Rear axle183
• 40 Wheels, chassis alignment check67
• 41 Propeller shaft23
• 42 Brakes - hydraulic and mechanical systems240
• 43 Brakes - pneumatic system and auxiliary brakes42
• 46 Steering199
• 54 Electrical system, equipment and instruments120
• 55 Auxiliary drive systems, hydraulic and linkage systems5
• 57 Central lubrication system2