nomenclature (L S C E letter)information of MAN B&W engine types
L Long (L60MC)
S Superlong (S60MC)
C Compact (S60MC-C)
E Electronically controlled (S60ME-C superlong, 60 cm bore diameter of cylinder liner, Electronically controlled without camshaft, compact short two stroke diesel engine).
RT-flex (Wartsila-Sulzer) means Electronically controlled (common-rail) two stroke diesel