• 01 Complete engine, crankcase ventilation, cylinder head, crankcase24
• 03 Crank assembly29
• 05 Engine timing21
• 07 Mixture formation22
• 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 cooling16
• 20 Engine cooling system20
• 30 Throttle control, speed control systems30
• 47 Fuel system, powertrain energy supply5
• 49 Exhaust system, exhaust gas cleaning4