3.3 Engine layout – 2000 M91 engines
Engine layout - functional grouping
010 Crankcase and externally
mounted components
020 Gear train
030 Running gear
040 Cylinder head
050 Valve gear
070 Fuel system (high pressure)
080 Fuel system (low pressure)
100 Exhaust turbocharger
110 Intercooler
120 Air intake / air supply
140 Exhaust system
170 Starting system
180 Lube oil system
200 Cooling system
230 Mounting / support
250 PTO systems, driving end
and free end
500 Monitoring, control and reg-
ulation system
Engine model designation
Key to the engine model designations 12/16V 2000 M91
• 12/16 = Number of cylinders
• V = Cylinder configuration
• 2000 = Series
• M9 = Application segment
• 1 = Design index
MW15409/04E 2015-08
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TIM-ID: 0000002093 - 001