• 01 Complete engine, crankcase ventilation, cylinder head, crankcase22
• 03 Crank assembly12
• 05 Engine timing15
• 07 Mixture formation165
• 08 Electric drive, hybrid drive44
• 09 Air intake, turbocharging25
• 13 Air compressor, belt drives5
• 14 Exhaust manifold, engine brake, emission control system9
• 15 Electrical system - engine28
• 18 Engine lubrication, engine oil cooling16
• 20 Engine cooling system43
• 22 Major assembly suspension8
• 30 Throttle control, speed control systems52
• 47 Fuel system, powertrain energy supply39
• 49 Exhaust system, exhaust gas cleaning6