• 00 MAINTENANCE
• 05 DIAGNOSTICS
• 10 ENGINE
• 18 CLUTCH UNIT
• 21 GEARBOX UNIT
• 27 AXLE
• 33 BRAKES
• 41 STEERING UNIT
• 44 SUSPENSION AND WHEELS
• 50 AUXILIARY UNITS
• 55 ELECTRICAL EQUIPMENT
• 70 FITTINGS
• 72 PANELS AND FRAMES