• 25 Clutch107
• 26 Manual transmission134
• 27 Automatic transmission3
• 28 Transfer case87
• 29 Pedal assembly12
• 31 Frame, trailer operation45
• 32 Suspension38
• 33 Front axle62
• 35 Rear axle152
• 40 Wheels, chassis alignment check32
• 41 Propeller shaft14
• 42 Brakes - hydraulic and mechanical systems31
• 43 Brakes - pneumatic system and auxiliary brakes31
• 46 Steering88
• 54 Electrical system, equipment and instruments12
• 55 Auxiliary drive systems, hydraulic and linkage systems4
• 57 Central lubrication system2