• 01 Complete engine, crankcase ventilation, cylinder head, crankcase55
• 03 Crank assembly25
• 05 Engine timing80
• 07 Mixture formation151
• 08 Electric drive, hybrid drive1
• 09 Air intake, turbocharging36
• 13 Air compressor, belt drives19
• 14 Exhaust manifold, engine brake, emission control system15
• 15 Electrical system - engine54
• 18 Engine lubrication, engine oil cooling35
• 20 Engine cooling system58
• 22 Major assembly suspension9
• 30 Throttle control, speed control systems19
• 47 Fuel system, powertrain energy supply28
• 49 Exhaust system, exhaust gas cleaning4