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The type designation, consisting of a sequence of letters and numbers, indicates some characteristics of
each engine, provided you are familiar with the basic terminology.
The system is explained here using the type E 2842 LE 302 / E 2842 LE 312 as an example:
E
The "E" at the start of the type designation stands for natural gas (German: Erdgas)
28
The numbers "28" indicate that this is a power unit with 128 mm bore
4
The "4" means 142 mm stroke
2
The "2" indicates the number of cylinders 12
L
This letter stands for "charge-air cooling" (German: Ladeluftkühlung)
E
The "E" stands for "fitted engine" (German: Einbaumotor) and is intended to distinguish MAN
vehicle engines
302
This is a factory-internal development number.
Engine type classification
5
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