• 25 Clutch36
• 26 Manual transmission393
• 27 Automatic transmission10
• 28 Transfer case2
• 29 Pedal assembly13
• 31 Frame, trailer operation63
• 32 Suspension59
• 33 Front axle75
• 35 Rear axle170
• 40 Wheels, chassis alignment check65
• 41 Propeller shaft6
• 42 Brakes - hydraulic and mechanical systems80
• 43 Brakes - pneumatic system and auxiliary brakes22
• 46 Steering82
• 54 Electrical system, equipment and instruments7
• 55 Auxiliary drive systems, hydraulic and linkage systems1
• 57 Central lubrication system2