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Inboard engine i6 series
dieselboatingturbocharged

inboard engine
inboard engine
inboard engine
inboard engine
inboard engine
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Characteristics

Type
inboard
Power source
diesel
Market
boating
Technology
turbocharged, common-rail
Cooling system
water-cooled
Lubrication
oil-injected
Pollution control standard
Tier 3, Tier 2
Power

730 ch, 800 ch, 850 ch
(730 hp, 800 hp, 850 hp)

Displacement

13 l
(3 gal)

Number of cylinders

6 unit

Engine speed

2,450 rpm, 2,674 rpm, 2,845 rpm
(15,394 rad.min-1, 16,801 rad.min-1, 17,876 rad.min-1)

Consumption

142 l/h, 157 l/h, 162 l/h
(38 us gal/h, 41 us gal/h, 43 us gal/h)

Bore

126 mm
(5 in)

Stroke

166 mm
(6.5 in)

Length

1,800 mm
(71 in)

Width

922 mm
(36 in)

Height

1,103 mm
(43 in)

Weight

1,215 kg
(2,679 lb)

Description

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.

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.