The German concern MAN is the world leader in the production of marine engines, which since 1923 has specialized in the production of internal combustion engines for use in power and propulsion systems for marine applications. MAN manufactures engines of all types and types of internal combustion engines for use in all types of ships, yachts and boats. Marine diesel engines are powerful, modern, efficient, environmentally friendly units. MAN offers a wide range of engines of the most popular class (high-speed diesel engines) for medium duty from 400 to 1500 hp, and heavy duty (250-900 hp) with high tractive effort. They are reliable in operation and efficient for passenger and cargo transportation, as well as for patrol and convoy services. MAN guarantees the reliable operation of ships and boats.
Advantages and features of MAN high-speed marine diesel engines:
high power overall power with minimum weight,
high tractive effort at low rpm,
simple and maintainable design using proven solutions.
The MAN concern, which has been producing internal combustion engines since 1923, is considered the world leader in the production of marine engines. Innovative technologies ensure the production of environmentally friendly models with high efficiency and reliability.
Heavy-duty MAN engines for fishing boats, tugs and pushers;
MAN medium duty engines are used on passenger ships, patrol and fire boats;
MAN light duty engines are ideal for gliders, yachts and speedboats.
Yacht diesel MAN DM833-900
Marine power engineering requires the use of internal combustion engines to drive propellers or water cannons of the main shaft, as well as diesel-gear units, in which the main element is an internal combustion engine running on hydrocarbon fuel. Deck engine in the marine power industry is the main focus of ship designers, from yachts to heavy bulk carriers. The drive is used to power the ship electrically, provides pumping of water from the hold, provides a fire protection system, and, most importantly, enables the ship to run due to the main shaft drive. MAN DM833-900 series diesel engine for marine power generation with 900 hp shaft power. or 661 kW (according to DIN 70020), is a non-reversible high-speed marine diesel used in any marine energy system, from propulsion to power generation. Diesel is a piston internal combustion engine that operates on the principle of spontaneous combustion of atomized fuel from the action of air heated during compression. By design, it is a V-shaped six-cylinder diesel with an aluminum monoblock, and with a working volume of cylinders of 22.45 liters (volume of each cylinder 3.74 liters), using a super-compact layout with a total volume of 1.3 cubic meters. That with the power of 900 forces developed by a diesel engine, this gives an extremely high overall output of 700 forces per 1 cubic meter occupied.
High overall power makes it possible to use the diesel engine to drive high-speed and light yachts and boats, or to use it to replace marine engines during the modernization and repair of the vessel, which will reduce the weight occupied by the DRA volume, or increase power by installing several MAN DM833-900 diesel engines. It is possible to double the tandem type of two diesel engines into a single power unit with a doubling of the shaft power. In addition to high-speed vessels, the MAN DM833 diesel engine can operate in extremely heavy modes, in DRA propulsion units such as a dry cargo ship, bulk carrier, bulk carrier, container ship, refrigerated tanker
Marine diesel engine MAN DM833-750
Marine diesel engines MAN DM differ from other diesels not only in auxiliary elements, the design of the engine itself has an industrial purpose, and in related mechanisms, according to the requirements of a number of characteristics, makes it possible to effectively use the diesel engine both on ships and on the railway in the drive of shunting locomotives, in the mining industry , and in the energy sector. The industrial purpose of a marine diesel engine in practice means increased requirements for the resource, high rated power with the ability to operate on it in 100% of the time, and reliability. And the marine design with protected electrics and the absence of corrosion makes such internal combustion engines extremely effective in all industries. In the propulsion systems sector, marine diesel engines for marine and river use are used either through a gearbox, rotating the propeller shaft, with reverse rotation, or using diesel-electric or diesel-hydraulic drive schemes. For MAN four-stroke engines, this is done by an additional return clutch, which engages when reverse rotation is required.