MAN Engines will launch its D2868 LE421 and LE422, a fully classifiable marine diesel engine for medium and heavy-duty applications, at the Shipbuilding, Machinery and Marine Technology (SMM) trade fair in Hamburg, Germany in September 2012.
The company said the new engines will use the latest common rail technology to comply with widely applicable exhaust gas standards without a specific exhaust gas treatment.
MAN said that the D2868 is its first eight-cylinder engine with common-rail technology for medium and heavy-duty applications.
The engine consumes less fuel and produces less noise, while the classification by the major certifying societies expands the range of operating options for ship owners and captains.
For heavy-duty applications, the D2868 LE421 marine diesel engine provides 441 kW (600hp) at a rated speed of 1,800rpm.
Scheduled to be delivered in the first quarter of 2013, the efficient eight-cylinder engine guarantees a reliable operation for tug, push and workboats at low maintenance costs and low fuel consumption, according to MAN.
The MAN D2868 LE422 engine expands the range of power outputs suitable for medium-duty applications compared to its previous model, with up to 3,000 operating hours per annum of which 50% are at full load.
The classifiable D2868 LE422 provides 588 kW (800hp) at a nominal rating of 2,100rpm; it replaces the non-classifiable D2848 LE422 and offers 10% more performance at the same nominal rating.
Image: MAN’s D2868 is the first fully classified eight-cylinder high-speed marine diesel engine with common-rail technology. Photo: MAN engines