• 01 Complete engine, crankcase ventilation, cylinder head, crankcase27
• 03 Crank assembly31
• 05 Engine timing23
• 07 Mixture formation31
• 09 Air intake, turbocharging12
• 13 Air compressor, belt drives9
• 14 Exhaust manifold, engine brake, emission control system12
• 15 Electrical system - engine10
• 18 Engine lubrication, engine oil cooling17
• 20 Engine cooling system22
• 22 Major assembly suspension1
• 30 Throttle control, speed control systems30
• 47 Fuel system, powertrain energy supply5
• 49 Exhaust system, exhaust gas cleaning4