• 25 Clutch34
• 26 Manual transmission51
• 27 Automatic transmission42
• 28 Transfer case1
• 29 Pedal assembly13
• 31 Frame, trailer operation47
• 32 Suspension30
• 33 Front axle84
• 35 Rear axle113
• 40 Wheels, chassis alignment check38
• 41 Propeller shaft3
• 42 Brakes - hydraulic and mechanical systems30
• 43 Brakes - pneumatic system and auxiliary brakes7
• 46 Steering51
• 54 Electrical system, equipment and instruments8
• 57 Central lubrication system2