Marine GenSets from MAN Diesel & Turbo
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Marine GenSets from MAN Diesel & Turbo Engineering the Future - since 1758.

Safe and economical transportation of high value goods, critical cargoes and refrigerated or frozen perishables requires efficient, highly reliable and available auxiliary power. MAN GenSets have for decades earned a good reputation for delivering power to the world fleet. Marine GenSets

History Marine GenSets MAN Diesel & Turbo has built auxiliary engines since In the following period, up to the late 1990s, these 1929. First under the brand name “Holeby GenSets” engines were the benchmark for the whole indus- and later under the “MAN GenSet” brand, and more try as an example of reliability and userfriendliness. than 20,000 GenSets, both from own production and Today, our customers still choose this well-proven from licensees, have been delivered over the years. design, which has resulted in a production of more than 10,000 units, both from own and from licensee In 1965 the...

Performance, Quality and Service Marine GenSets MAN Diesel & Turbo’s approach to the design and production of GenSets is to lead the world market for GenSets in the 450-6,000 kW power range in terms of performance, quality and service. The MAN Diesel & Turbo product development strategy Fuel economy is to design GenSet solutions that produce energy at The basis for a superior operating economy is a low the lowest possible cost per kWh without compromis- fuel consumption across the entire load range, com- bined with a uni-fuel concept. This strategy requires a resolution of the conflicts...

Minimal daily maintenance Environmental considerations The control systems installed on today’s merchant MAN Diesel & Turbo places a sharp focus on both ships permit small crews to operate even the largest the safety and the working environment of the ship vessels, provided that ways can be found to reduce crews as well as the potential effects of its products the hours spent on basic maintenance. For all MAN on the external environment. The GenSets operate at GenSets, the need for daily maintenance has been re- low vibration and noise levels to the benefit of the crew, duced to the...

Operation on distillate fuels Exhaust emissions from marine diesel engines have From an engine manufacturer’s point of view, there is been the focus of recent legislation. Apart from nitrous no lower limit for the sulphur content of HFO. We have oxides (NOX), sulphur oxides (SOX) are considered to not experienced any trouble with the currently available be the most important pollution factor. A range of new low-sulphur HFO that is related to the sulphur content regulations has been implemented and others will fol- or specific to low-sulphur HFO. This may change in the future if new methods...

Deck From centrifuges Automatic de-aerating valve Pressure control valve, 8-10 bar Venting pipe Heavy fuel oil service tank Diesel oil service tank Fuel oil filter duplex Drain from fuel pumps Cooling medium inlet MDO booster pump for GenSets 6 bar Temperature feeler V1 Pressure control valve, 5-6 bar Fuel oil drain tank Temperature feeler A3B Pressure control valve, 2-3 bar Cooling medium inlet Pressure control valve, 4 bar Clean leak fuel oil tank To diesel oil service tank Preheater Diesel oil Heavy fuel oil Heated pipe with insulation Supply pumps Circulating pumps Steam Condensat...

Power Range GenSet solutions for the 450-6,000 kW range Engine Power Marine GenSets

Classic Marine GenSets Prepared for the requirements of tomorrow 1. Regulating arm 2. Switch (Pick-up) 3. Piston 4. Solenoid valve 5. Lambda controller 6. Overspeed device (mecanical activated 3/2 valve) Engine's compression air system L23/30H Mk 2 and L28/32H are characterised by: Constant pressure turbocharging Tailor-made solutions The constant pressure turbocharger system com- MAN GenSets are delivered as complete packages prises an exhaust gas receiver, turbocharger, charge with the diesel engine and the alternator fitted on a air cooler with water mist catcher, and a charge air common...

The MAN L23/30H (Holeby) GenSet has been a treas- daily maintenance requirements are kept at a minimum ured choice by customers since the first introduction and long intervals between overhauls are obtained. in the mid-60s, and it has proven to be an extraordinarily reliable engine type. More than 10,000 GenSets The L23/30H Mk 2 engine has an additional environ- have been installed, and the engine has served as the mental advantage – besides the IMO Tier II, it holds an benchmark for the whole industry. EPA Tier 2 approval for the 900 r/min version. A classic has been upgraded With the...

Main Data L23/30H Mk 2 – Bore: 225 mm, Stroke: 300 mm Speed (r/min) * Based on nominal generator efficiencies of 95% Weight and dimensions based on a standard alternator Facts and figures Performance The L23/30H Mk 2 is a four-stroke in-line engine that Like all our units, the L23/30H Mk 2 is designed to can be delivered in 5 to 8-cylinder versions. Power achieve optimal performance on HFO. Lubricating oil output ranges from 650 to 1,400 kW. Compact dimensions Long overhaul interval With a length of 5.5 to 7.0 m, a width of 1.6 m, a height With an interval of 16,000 hours between major...

The classic L28/32H GenSet type series has a long proven record for reliability and durability. It comprises in-line engines from 5 to 9 cylinders, offering a power H range from 1,050 to 1,980 kW. The sturdy engine structure and amply dimensioned running gear ensure a low level of mechanical stress. A Moving parts are optimised for good running properties and low wear rates, while the rigid engine structure gives a low deformation level. The modular concept and dependable engine design, which has proven itself in many GenSet installations, offers the lowest routine maintenance schedule and...

Main Data L28/32H – Bore: 280 mm, Stroke: 320 mm Speed (r/min) Dry Mass (t) * Based on nominal generator efficiencies of 95% Weight and dimensions based on a standard alternator Facts and figures Economical HFO operation Many configurations L28/32H engines can operate on the same heavy fuel The L28/32H range comprises in-line engines of 5 to oil used for the ship’s propulsion engine. Consump- 9 cylinders. Output ranges from 1,050 to 1,980 kW. tion of both fuel oil and lubricating oil is low. The total cost per kW produced is very low when operating the L28/32H GenSets on heavy fuel oil. Low...