• 25 Clutch104
• 26 Manual transmission80
• 27 Automatic transmission3
• 28 Transfer case1
• 29 Pedal assembly9
• 31 Frame, trailer operation44
• 32 Suspension31
• 33 Front axle53
• 35 Rear axle127
• 40 Wheels, chassis alignment check30
• 41 Propeller shaft5
• 42 Brakes - hydraulic and mechanical systems30
• 43 Brakes - pneumatic system and auxiliary brakes30
• 46 Steering90
• 54 Electrical system, equipment and instruments25
• 55 Auxiliary drive systems, hydraulic and linkage systems1
• 57 Central lubrication system2