• 25 Clutch16
• 26 Manual transmission10
• 27 Automatic transmission42
• 29 Pedal assembly11
• 31 Frame, trailer operation44
• 32 Suspension28
• 33 Front axle2
• 40 Wheels, chassis alignment check28
• 41 Propeller shaft3
• 42 Brakes - hydraulic and mechanical systems12
• 43 Brakes - pneumatic system and auxiliary brakes7
• 46 Steering19
• 54 Electrical system, equipment and instruments5
• 57 Central lubrication system2