• 01 Complete engine, crankcase ventilation, cylinder head, crankcase22
• 03 Crank assembly9
• 05 Engine timing3
• 06 Fuel cell system68
• 07 Mixture formation72
• 08 Electric drive, hybrid drive67
• 09 Air intake, turbocharging19
• 13 Air compressor, belt drives2
• 14 Exhaust manifold, engine brake, emission control system5
• 15 Electrical system - engine16
• 18 Engine lubrication, engine oil cooling13
• 20 Engine cooling system88
• 22 Major assembly suspension27
• 30 Throttle control, speed control systems14
• 47 Fuel system, powertrain energy supply100
• 49 Exhaust system, exhaust gas cleaning12