Inboard engine i6 series

dieselboatingturbocharged

MAN Engines presented its latest generation of six-cylinder engines for use in planing and displacement hull yachts up to 55 feet, as well as in sport fishing boats, for the first time at the Fort Lauderdale Boat Show in Florida, USA, in 2015. The six-cylinder base engine has already been in use in numerous on- and off-road applications since 2007 and has proven itself hundreds of thousands of times. Currently, thanks to the specific modification for use in recreational boating, the three in-line six-cylinder engines i6-730 with 537 kW (730 HP), i6-800 with 588 kW (800 HP) and i6-850 with 625 kW (850 HP), each with 12.4 l displacement, are available in light operation. In addition to future-proofing, the i6-850, i6-800 and i6-730 yacht engines based on the D2676 base engine offer a modern Common Rail system with up to 1,800 bar for high mean pressures and optimised combustion. In this way, MAN engineers achieve lower vibrations and noise emissions as well as low fuel consumption. Regular exchange of information and data with institutions such as the US Environmental Protection Agency (EPA) and the International Maritime Organisation (IMO) ensures compliance with strict emission requirements. The new yacht engines also feature the wide torque plateau typical of MAN marine engines. The i6-730 with 537 kW (730 HP) thus offers 2,450 Nm and the most powerful i6-850 variant with 625 kW (850 HP) even 2,845 Nm between 1,400 and 2,100 rpm. This allows maximum torque to be realised over a wide speed range with the lowest specific fuel consumption. As a result, acceleration is continuous and the planing phase is highly efficient.