GE 7FDM

The GE 7FDM, also called the GE V228, is a series of marine diesel engines from GE Transportation Systems, used for propulsion and for driving electric generators. Model numbers take the form 7FDMXXZYY, where XX is the number of cylinders, Z the engine series and YY an extra differentiator such as the direction of rotation. The engines are offered from 8 to 16 cylinders, at 900 to 1,050 rpm, with continuous ratings from 1,308 to 3,052 kW, or 1,754 to 4,093 hp. GE Transportation was producing the D and E series, which feature very low nitrogen oxide emissions and electronic timing, and which comply with MARPOL Annex VI NOx rules on board ships. They are installed in tugboats, fishing vessels and other small, high-powered vessels.