• 01 Complete engine, crankcase ventilation, cylinder head, crankcase25
• 03 Crank assembly31
• 05 Engine timing17
• 07 Mixture formation14
• 09 Air intake, turbocharging12
• 13 Air compressor, belt drives4
• 14 Exhaust manifold, engine brake, emission control system2
• 15 Electrical system - engine5
• 18 Engine lubrication, engine oil cooling10
• 20 Engine cooling system10
• 30 Throttle control, speed control systems4
• 47 Fuel system, powertrain energy supply3
• 49 Exhaust system, exhaust gas cleaning1