• 25 Clutch24
• 26 Manual transmission8
• 27 Automatic transmission41
• 29 Pedal assembly10
• 31 Frame, trailer operation61
• 32 Suspension46
• 33 Front axle2
• 40 Wheels, chassis alignment check37
• 41 Propeller shaft3
• 42 Brakes - hydraulic and mechanical systems32
• 43 Brakes - pneumatic system and auxiliary brakes7
• 46 Steering17
• 54 Electrical system, equipment and instruments5
• 57 Central lubrication system2