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Four-Stroke Marine Engines

Four-Stroke Marine Engines
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Four-Stroke Marine Engines

Product catalog summary
Overview
MAN Diesel & Turbo is a prominent provider of large-bore diesel engines and turbomachinery, offering products such as four-stroke and two-stroke engines for marine and stationary applications, turbochargers, propellers, gas and steam turbines, compressors, and chemical reactors. The company prioritizes minimizing fuel consumption and adhering to advanced emission regulations, supported by the MAN PrimeServ brand for after-sales services.
Four-Stroke Marine Engines
The document outlines various four-stroke marine engines, detailing their specifications, applications, and benefits:
  • MAN 175D: A high-speed, 12-cylinder V-type engine with advanced fuel efficiency and low emissions, suitable for ferries, offshore service vessels, and yachts. It complies with IMO Tier III regulations using MAN SCR technology.
  • MAN VP185: Available with 12 or 18 cylinders, this engine offers a high power-to-weight ratio, ideal for naval defense applications, and is IMO Tier III compliant.
  • MAN L21/31: An inline engine for propulsion or power generation, known for reliability and long intervals between overhauls, suitable for tankers, cargo vessels, and ferries.
  • MAN 23/30DF: A dual-fuel engine for power generation or propulsion, offering economical operation and compliance with IMO Tier III regulations.
  • MAN 27/38: Known for reliability and economy, this engine is suitable for various vessels and offers full IMO Tier III compliance.
  • MAN 28/32DF: A dual-fuel engine offering fuel flexibility and high efficiency, compliant with IMO Tier III regulations.
Technological Innovations
  • Selective Catalytic Reduction (SCR): A system achieving up to 90% NOx reduction, applicable to all four-stroke engines to meet IMO Tier III limits.
  • LNG Dual Fuel Solutions: Engines that reduce emissions and increase fuel efficiency, offering low operational costs and fuel flexibility.
  • ECOMAP: A software feature for optimizing engine load profiles, enhancing fuel savings and reducing CO2 emissions.
  • MAN Alpha Kappel Propellers: Propeller designs that improve propulsion efficiency and reduce emissions, contributing to a lower Energy Efficiency Design Index (EEDI).
Environmental Compliance
MAN Diesel & Turbo provides a comprehensive range of IMO Tier III compliant marine engines, addressing stringent NOx and SOx emission limits in designated Emission Control Areas (ECA).
Overview of MAN Marine Engines
The document provides detailed information on various MAN marine engines, highlighting their specifications, benefits, and applications in the marine industry. It covers several engine models, each designed for specific marine applications, emphasizing their power output, fuel efficiency, and compliance with environmental standards.
MAN PA6B Engine
This engine is compact, lightweight, and durable, ideal for diesel-electric propulsion and power generation in offshore environments. It is resistant to shock and can handle tilts up to 25°, with long maintenance intervals due to high-quality components. Key benefits include a great power-to-weight ratio, compact design, and black start capability.
MAN 28/33D STC Engine
Available in V-type with 12, 16, or 20 cylinders, this engine offers high power and rapid response, suitable for naval applications. It features sequential turbocharging for high torque at low rpm and complies with IMO Tier II and III standards. It is known for its low fuel consumption and environmental compliance.
MAN 32/44CR Engine
This engine offers high specific power output and is available in L- and V-type configurations. It supports multiple fuel types and applications, including diesel-mechanic and diesel-electric. It features low fuel consumption and excellent load acceptance, with reliable IMO Tier III compliance.
MAN 35/44DF Engine
A dual-fuel engine with high output and flexibility, it supports seamless switching between gas and liquid fuels. It is suitable for various marine applications, offering reliable power with all fuel types and future-proof flexibility with LNG readiness.
MAN 48/60CR Engine
This engine is designed for high power output and competitive fuel economy, suitable for all main marine applications. It features an advanced Common Rail injection system and optional SCR for IMO Tier III compliance, offering intelligent fuel savings and low maintenance costs.
MAN 51/60DF Engine
A dual-fuel engine with high power output and environmental compliance, it offers flexibility in fuel operation and is ideal for LNG carriers. It features a fuel-sharing operation mode and high operation flexibility.
MAN PrimeServ
MAN PrimeServ provides global service and support for MAN engines, offering OEM spare parts, maintenance, repair, and training services. It aims to maximize engine performance and availability through real-time data analysis and remote support.
Corporate Responsibility and Innovation
MAN Diesel & Turbo focuses on sustainability, transparency, and innovation, adapting to global challenges and customer needs. The company emphasizes reducing fuel consumption and emissions, exploring alternative fuels, and ensuring long service life for its products.
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Catalog excerpts

Four-Stroke Marine Engines-1

FOUR STROKE MARINE ENGINES Engineering the Future - since 1758. MAN Diesel & Turbo HIGH PERFORMANCE PRODUCT RANGE

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Four-Stroke Marine Engines-2

Four-Stroke Marine Engines Page 02 I 03 MAN Diesel & Turbo is the world’s leading provider of large-bore diesel engines and turbomachinery. Our portfolio includes four-stroke and two-stroke engines for marine and stationary applications, turbochargers and propellers, gas and steam turbines, compressors and chemical reactors. Our four-stroke engines offer propulsion and auxiliary power for all types of applications. We also provide dual fuel engines and complete propulsion packages. Around 50 percent of all global ocean-going trade is today powered by MAN engines. We are committed to minimizing...

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Four-Stroke Marine Engines-4

Four-Stroke Marine Engines  Page 06 | 07 History made by pioneers When the M/S Selandia was launched in 1912 it was the first ocean-going ship with a diesel engine, built on a tradition of innovative engineering that went back to 1758. In the 1890s, MAN engineers helped Rudolf Diesel build the world’s first diesel engine. In just a few decades it would completely change the way ships were powered. Progress is change and change needs movement MAN engineers continued improving the diesel engine into the 21st century. We will continue to build on our tradition of innovation: responding to megatrends...

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Four-Stroke Marine Engines-5

The compact high speed engine The MAN 175D diesel engine is a 12 cylinder V type with 175 mm bore for mechanical or electric propulsion and onboard power generation. Running from 1,500 to 1,900 rpm it features ratings from 1,440 to 2,220 kW. With its advanced Common Rail fuel injection system the engine combines upmost fuel efficiency with the lowest possible emissions, making it a perfect investment for the future. The MAN 175D high-performance engine is IMO Tier III compliant when fitted with MAN SCR (Selective Catalytic Reduction). Characterized by clear-cut design, the MAN 175D is easy to...

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Four-Stroke Marine Engines Page 10 I 11 Advanced efficiency for business or pleasure The MAN 175D is ideal for economical operation in ferries, offshore service and supply vessels, workboats, tugs, yachts and governmental ships. It combines dynamic partload operation with economical endurance. Designed from the outset considering high-level emission standards, the MAN 175D is one of the most versatile marine engines able to meet all the challenges of many different applications. Benefits .Advanced and robust Cutting-edge technology and proven reliability . Powerful and reliable Peak performance...

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High speed performer The MAN VP185 diesel propulsion engine is a V type available with 12 or 18 cylinders with 185 mm bore. It runs on marine gas oil and has an output of 2,000 to 4,000 kW. Its class-beating power to weight ratio is 2.69 – 2.88 kg/kW. It is IMO Tier III compliant when fitted with MAN SCR (Selective Catalytic Reduction). This compact, high speed engine is easy to install. Its water-cooled exhaust system helps to maintain a low engine room temperature whilst the two-stage turbocharging arrangement provides a wide torque curve. Four-Stroke Marine Engines  Page 12 | 1

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Four-Stroke Marine Engines-8

Four-Stroke Marine Engines  Page 14 | 15 Proven power and reliability The MAN VP185 has proven itself in many applications, from fast patrol boats to luxury yachts. In terms of performance, it has one of the highest power densities on the market. At the same time, its operation is simple and reliable which is essential in boats with small crews. The MAN VP185 is an ideal propulsion choice for high speed coastal and offshore patrol vessels. For naval vessels it provides a high technical readiness level, outstanding reliability with low acoustic and thermal signatures. .. Compact size Excellent...

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Reliable propulsion power The MAN L21/31 is an inline diesel engine for propulsion or power generation. It is available with five to nine cylinders with 210 mm bore. It runs on MGO, MDO and HFO, and has an output of 1,000 to 1,980 kW. When fitted with MAN SCR (Selective Catalytic Reduction), it complies with IMO Tier III regulations. This engine features a jet assist device that supports the rapid acceleration in partial load operation of the main marine engines. This improves the maneuvering characteristics by increasing the charge air pressure of the turbocharger. With its outstanding load...

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Four-Stroke Marine Engines  Page 18 | 19 Superior load change application and long TBOs Many years of experience with the propulsion concept, together with customers’ requirements for reliability, economy and technical advancement has resulted in this attractive 1000-rpm engine with a cylinder output of 220 kW (GenSet). The MAN L21/31 engine is the ideal power source for small to medium sized tankers, cargo vessels, ferries, RoRo vessels, large fishing vessels, tugs, workboats and supply vessels. .. Convenient Power Take-Off (PTO) .. .. 100 % PTO is possible from either end of the engine. A small...

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Economical power generation The MAN 23/30DF is an inline dual fuel engine for power generation or propulsion available with five to eight cylinders with a bore of 225 mm and a stroke of 300 mm; the crankshaft speed is 720, 750 or 900 rpm. It runs on marine gas oil (MGO) and liquefied natural gas (LNG) and has an output of 625 to 1,200 kW. Based on the popular MAN 23/30 conventional diesel GenSet, the MAN 23/30DF is ideal for many applications requiring economical power, reliability and full compliance with IMO Tier III regulations. Four-Stroke Marine Engines  Page 20 | 21

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Four-Stroke Marine Engines Page 22 I 23 A practical solution available as retrofit With over 14,000 MAN 23/30 GenSets in service around the world it makes perfect sense to offer the MAN 23/30DF as an economical retrofit solution. The MAN 23/30DF continues the GenSet's tradition of easy maintenance and long time between overhauls. The MAN 23/30DF's robust monoblock engine is made of cast iron. The engine frame and underslung crankshaft restrict combustion and inertia forces to within the same component, enhancing reliability, durability and availability. Benefits . Classic engine design and easy...

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All MAN Energy Solutions - Marine catalogs and brochures

  1. MAN 175D

    3  Pages

  2. L27/38

    17  Pages

  3. LNG Shipping

    28  Pages

  4. MAN Alpha FPP

    2  Pages

  5. L+V48/60CR

    2  Pages

Archived catalogs

  1. CP pro peller

    16  Pages

  2. 48/60

    7  Pages

  3. OBC Vessels

    4  Pages

  4. L16/24

    16  Pages

  5. MAN L51/60DF

    2  Pages

  6. EPROX

    2  Pages

  7. EEDI

    12  Pages

  8. MAN Cryo

    12  Pages

  9. ME Engines

    8  Pages

*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.