Strong and smart: Four-stroke propulsion engines
Full range of MAN four-stroke propulsion engines
Explore the capabilities and range of our four-stroke propulsion engines.
High power combined with high efficiency: Our four-stroke propulsion engines
MAN L+V51/60DF propulsion
Let your fuel take you further! By combining diesel and gas technologies in one engine, the MAN 51/60DF provides optimum fuel flexibility. There is no better way to keep your engine running effectively and economically.
- High-efficient variant/high-power
variant 500 – 514 rpm/500 – 514 rpm
- 6,300 – 16,800 kW/6,900 – 16,100 kW
MAN V51/60DF - high efficiency
MAN L+V49/60DF propulsion
The MAN 49/60DF is future-proof in multiple ways. Its benchmark fuel efficiency guarantees competitive vessel operation. The very low level of methane emissions ensures long-term CO2 emission compliance.
- 600 rpm
- 7,800 – 18,200kW
- At 600 rpm: 1,300kW
- Power-to-weight ratio: 13.5 – 16.7 kg/kW
- Gas mode: 6,990 kJ/kWh
The MAN L+V48/60CR injection system uses the latest MAN Energy Solutions common rail technology, allowing for flexible setting of injection timing, duration, and pressure for each cylinder.
- 500 – 514 rpm
- 7,200 –19,200 kW
MAN L35/44DF propulsion
The MAN L35/44DF offers high output, dual fuel flexibility, and Tier II and Tier III compliance. It is ideal for mechanical propulsion, electric propulsion as well as auxiliary GenSet applications
- 720 – 750 rpm
- 3,060 – 5,300 kW
By using MAN’s common rail system, high-efficiency turbochargers, variable valve timing and state-of-the-art control systems, the MAN L+V 32/44CR is a synthesis of the most advanced large-engine technologies available.
- 720 – 750 rpm
- 3,600 – 12,000 kW
MAN L+V32/40 propulsion
Efficient, clean, and compact: The “32/40 Workhorse” is in service 24 hours a day. With a power output range of 3,000 to 9,000 kW, it is ideal for small and medium sized propulsion applications.
- 720 – 750 rpm
- 3,000 – 9,000 kW
Efficient, clean, compact, and yet powerful, the MAN 28/33D STC represents the synthesis of world-class engineering and state-of-the-art technology for your marine propulsion and power needs. Especially popular in fast ferry and naval applications.
- 1,000 – 1,032 rpm
- 5,460 – 10,000 kW
MAN L27/38 Mk2 propulsion
The MAN L27/38 engine is the ideal power source in the 2,100 — 3,690 kW output range for small to medium-sized tankers, cargo vessels, ferries, passenger, RO-RO vessels, coasters, large fishing vessels, tugs, workboats, and supply vessels.
- 750 – 900 rpm
- 2,100 – 3,690 kW
MAN L21/31 propulsion
The MAN L21/31 engine is the ideal power source in the 1,290 – 1,935 kW output range for small to medium sized tankers, cargo vessels, ferries, RO-RO vessels, fishing vessels, tugs, workboats, and supply vessels.
- 1,000 rpm
- 1,290 – 1,935 kW
Packing the latest state-of-the-art technology into a minimum volume, the MAN 175D is characterized by clear-cut design. It is innovatively designed to be the most efficient engine for every application – from heavy duty to light duty
- 1,800 - 2,000 rpm
- 1,740 – 4,400 kW
S.E.M.T. Pielstick PC2.6B propulsion
The proven Pielstick PC2.6B design delivers high power density, low emission levels, and reduced running costs in various diesel-electric propulsion configurations.
- 600 rpm
- 9,000 – 13,500 kW
S.E.M.T. Pielstick PA6B STC propulsion
The Pielstick PA6 B STC is a compact, lightweight, and durable engine with performance characteristics attractive for military and civil applications.
- 1,050 – 1,084 rpm
- 4,860 – 8,910 kW
MAN four-stroke propulsion engine programme
Efficient, compact, and powerful: Propulsion engines for your needs
A characteristic feature of MAN marine engines is their powerful acceleration coupled with an extremely low fuel consumption. Their advantages are to be found above all in their outstanding power efficiency and compactness. The engines are delivered ready for installation and are designed for optimum performance in the various conditions of deployment and operation. All engines comply with the internationally applicable exhaust gas regulations.
Service solutions for optimum efficiency
MAN PrimeServ offers advanced modernization solutions to optimize your existing equipment. Furthermore, MAN’s modernization and retrofit solutions are tailor-made to customers’ specific applications and machinery.
|Application:||1+1 RoPax Ferry (passenger/vehicle)|
|Location:||Jingling Shipyard, China|
|Fuel:||Dual fuel (LNG & MGO)|
|MAN's work scope:||Engines, gearbox, CPP: 2 x 8L51/60DF, 2 x 6L51/60DF, 2 x twin-in/single-out gearbox, MAN ES Alpha twin screw CPP
Electrical system: AKA incl. advanced HyProp ECO system, 2 x shaft alternator, 3 x electric motor for bow thruster, 2 x frequency converter, 1 x bow thruster starter unit, 3 x transformer, 2 x UPS
Fuel gas supply system: MAN ES Cryo incl. 2 x 500m3 vacuum-insulated tank
Looking for a low-fuel solution for your business? Want to take your project to the next level?
We are there for you. Whatever your particular challenge is, contact us. Our global network of experienced engineers is available to work out the best solutions to support your business.
Controllable Pitch Propeller Upgrade & Nozzlepdf, 622 KB
Cruise and ferrypdf, 6374 KB
EEDIpdf, 12712 KB
Fishing vesselspdf, 9811 KB
Four- stroke marine systemspdf, 10891 KB
Hybrid marine propulsion systemspdf, 474 KB
L32-44CR Gensetpdf, 689 KB
MAN 175Dpdf, 5741 KB
MAN 175Dpdf, 6816 KB
MAN EcoLoad advisory toolpdf, 1929 KB
MAN L23/30DFpdf, 424 KB
MAN L35/44DFpdf, 415 KB
MAN L35/44DFpdf, 412 KB
MAN L49/60DFpdf, 6247 KB
MAN L51/60DFpdf, 416 KB
MAN L51/60DFpdf, 417 KB
MAN V49/60DFpdf, 963 KB
MAN V51/60DFpdf, 419 KB
MAN V51/60DFpdf, 418 KB
MAN-poweredpdf, 1270 KB
ME-GApdf, 1401 KB
Naval defensepdf, 5866 KB
OSV and workboatpdf, 6516 KB
Prepare for MAN 175Dpdf, 1536 KB
Technology for ecologypdf, 1507 KB
V48/60CR Propulsionpdf, 706 KB