MAN B&W Nomenclature

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The MC/MC-C Programs MAN B&W have explained the nomenclature

The first letter stands for engine stroke
K for short stroke about 2.8 Stroke/Bore ratio,
L for long stroke about 3.2 S/B ratio and
S for super long stroke about 4.0 S/B ratio
M denotes the engine program
The third letter denotes the type of engine control – C for camshaft control and E for electronic control
An additional fourth letter C is added in the case of a compact version of the engine




Example

6S70ME - B/C 7 GI TII

  • 6= NO. OF CYLINDERS
  • S= STROKE/BORE RATIO
  • G *GREEN* Ultra Long stroke
  • S Super Long Stroke
L Long Stroke
70 = Diameter of piston in cm
  • M = ENGINE PROGRAM
  • E = CONCEPT
  • E = ELECTRONICALLY CONTROLLED
  • C = CAMSHAFT CONTROLLED
  • B = EXHAUST VALVE CONTROLLED BY CAMSHAFT
  • C = COMPACT ENGINE
  • 7 MARK VERSION
  • GI = (BLANK) FUEL OIL ONLY , GI = GAS INJECTION
  • TII = IMO TIER LEVEL