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MAN Truck & Bus SE - Engines & Components
Marine Commercial Brochure

Marine Commercial Brochure

Product catalog summary

Overview of MAN Marine Engines
MAN Engines offers a range of high-speed propulsion engines for marine applications, designed for light, medium, and heavy-duty operations. These engines provide high torque and fuel efficiency, ensuring powerful acceleration and low total cost of ownership (TCO).

Customer Benefits

High torque and fuel efficiency across various engine speeds.
Compact design for space-saving installations.
Low noise and vibration levels.
Global service network with rapid spare parts supply.

Operational Categories

Light Duty: 730 to 1,900 hp, suitable for patrol boats and coastguard vessels.
Medium Duty: 560 to 1,400 hp, ideal for pilot boats, ferries, and passenger ships.
Heavy Duty: 200 to 1,000 hp, used in freight and passenger shipping, trawlers, and tugs.

Service and Warranty

Comprehensive global service network with skilled servicing and repairs.
Extended warranty options, including "Work Plus" Warranty.
Two-year warranty on MAN Genuine Parts and services.

Environmental Awareness

Commitment to eco-friendly engine development, adhering to global emission standards.
Engines designed for low fuel consumption, reducing environmental impact.

Engine Descriptions

D2676: Available in light, medium, and heavy-duty configurations, featuring 6 cylinders in-line, turbocharging, and electronic control systems.
D2868: 8-cylinder V arrangement, with advanced turbocharging and fuel systems.
D2862: 12-cylinder V arrangement, offering high power outputs and efficient fuel consumption.

Technical Specifications

Engines feature advanced turbocharging, electronic fuel injection, and cooling systems.
Compliance with international emission standards such as IMO Tier II and EPA Tier 3.

Performance and Efficiency

Engines provide maximum torque at the most fuel-efficient operating points.
Graphs illustrate power, torque, and specific fuel consumption across different engine speeds.

Specifications Overview
The document details specifications for various marine diesel engines, including models LE 436, LE 476, LE 432, and others. Key specifications include displacement, maximum output, rated speed, torque, and specific fuel consumption. Engines comply with IMO Tier II and other emissions standards.

Engine Dimensions
Dimensions for each engine type are provided, including overall width, length, height, and weight. Detailed drawings are available upon request for installation purposes.

Technical Features
All engines feature a 4-stroke diesel operation, turbocharging with intercoolers, and common rail fuel injection systems. They are equipped with electronic engine control and monitoring systems.

Applications
Engines are suitable for a range of marine applications, including escort boats, fishing boats, passenger ferries, and heavy-duty operations like trawlers and tugs.

Compliance and Standards
Engines meet various international emissions standards, including IMO Tier II, EPA Tier 3, and RCD 2013/53/EC.

Engine Cooling and Control
The engines utilize a seawater-cooled charge air cooler and a plate heat exchanger driven by a rubber impeller pump. Engine control is managed through electronic injection control and monitoring.

Exhaust and Emissions
The engines meet IMO Tier II and other regional emissions standards, with some models also compliant with EPA Tier 3 and RCD 2013/53/EC.

Dimensions and Weight
Engine dimensions vary slightly among models, with overall widths ranging from 986 mm to 1,153 mm, lengths from 1,745 mm to 2,130 mm, and heights from 1,096 mm to 1,243 mm.

Engine Range
The document categorizes engines into light and medium-duty ranges, with inline 6 and V8 configurations.

Engine Specifications Overview
1. Engine Types and Configurations
Detailed specifications for various engine types, including inline 6-cylinder (R6), V8, and V12 configurations.

2. Performance Metrics
Key performance metrics such as nominal rating, maximum torque, and rated speed are provided for each engine model.

3. Fuel Consumption
The lowest specific fuel consumption is measured in grams per kilowatt-hour (g/kWh).

4. Physical Dimensions
Dimensions such as bore/stroke, displacement, and the physical size of the engines are detailed.

5. Emissions and Compliance
Exhaust gas status and aftertreatment systems are noted, with compliance to various standards.

6. Manufacturer Information
The document is produced by MAN Truck & Bus AG, with contact information and a disclaimer that data is non-binding and subject to change.

Catalog excerpts

High speed propulsion engines

Open the catalog to page 1

Contents MAN Marine Engines Light, medium and heavy duty operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 MAN Service: Competent and motivated . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 MAN Environmental Awareness: Future-oriented and ecofriendly . . . . . . . . . . . . . . . . . . . . . . 5 MAN Warranty: Relaxing and calculable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Two years’ warranty on MAN service and parts: Higher quality, more time . . . . . . . . . . . . ....

Open the catalog to page 3

MAN Marine Engines A reliable driving force At sea, ships and boats have to contend with elemental forces, while harbours require them to navigate precisely through the narrowest of corridors. Customer Benefits nnMaximum torque at the most fuel efficient point of torque across a large range of engine speed for a powerful and steady acceleration fuel consumption values and long service intervals minimizing the TCO service network with rapid spare parts supply Light duty operation Medium duty operation Heavy duty operation In light duty operation (730–1,900 hp), MAN Engines offer exceptional...

Open the catalog to page 4

MAN Service Competent and motivated MAN is there for you from the outset . Where qualified guidance is needed for the installation, our experts are at your side with advice and practical assistance . Of course you can always rely on our worldwide service Qualified service centres provide you with fast and skilled servicing and repairs . Worldwide partners ensure a service network for marine engines . As you can see we are there whenever and wherever you need us MAN Environmental Awareness Future-oriented and eco-friendly At MAN, we attach very great importance indeed to eco-friendliness . Every...

Open the catalog to page 5

Characteristics Annual operating hours: s 1,000 Percentage of time at full load: s 20 % Average load application: s 50 % Typical applications ■ Season fishing ■ Escort boats and patrol boats ■ Ambulance boats ■ Police boats

Open the catalog to page 6

Characteristics ■ Cylinders and arrangement: ■ Operation mode: ■ Turbocharging: ■ Number of valves: nnFuel system: ■ Engine lubrication: ■ Type of cooling: ■ Engine control: ■ Fuel: 6 cylinders in-line 4-stroke diesel engine, watercooled Turbocharger with charge air intercooler and waste gate 4 valves per cylinder Common Rail direct fuel injection with electronic control Closed system with forced feeding, oil cooling and filtering Heat exchanger with engine and seawater circuit Electronic injection control (EDC) Electronic engine monitoring including diagnostic unit DIN EN 590

Open the catalog to page 8

Type designation LE 443 LE 423 light duty Displacement Maximum output to DIN ISO 3046-1 Rated speed Maximum torque at speed Lowest specific fuel consumption1 Classifiable Exhaust gas aftertreatment IMO Tier II, EPA Tier 3 IMO Tier II, EPA Tier 32), C-Overall height - standard oil pan mm 1,096 D-Top of engine to crankshaft centre mm 674 E-Length of engine from front end to edge of flywheel housing mm 1,527 Average weight of engine ready for installation (dry) kg 1,215 For detailed examinations of installation dimensions, please order drawings from our factory.

Open the catalog to page 9

Torque Torque Specific fuel consumption Specific fuel consumption Propeller curve Propeller curve Maximum torque at most fuel efficient operating point

Open the catalog to page 10

light duty Characteristics ■ Cylinders and arrangement: ■ Operation mode: ■ Turbocharging: ■ Number of valves: nnFuel system: ■ Engine lubrication: ■ Type of cooling: ■ Engine control: ■ Fuel: 8 cylinders in 90° V arrangement 4-stroke diesel engine, watercooled Turbocharger with charge air intercooler and waste gate (1-stage: D2686 LE 426, 2-stage: D2868 LE 436) 4 valves per cylinder Common Rail direct fuel injection with electronic control Closed system with forced feeding, oil cooling and filtering Plate heat exchanger, seawater cooled Electronic injection control (EDC) Electronic engine monitoring...

Open the catalog to page 11

Technical features Lowest specific fuel consumption11 g/kWh 209 206 205 Classifiable - ✓ - Exhaust gas aftertreatment - - - IMO Tier II, IMO Tier II, EPA Tier 32>, 97/68/EC 1) Tolerance +5% according to DIN ISO 3046-1 2) For private use only Type designation B-Overall length C-Overall height 1,222 1,222 D-Top of engine to crankshaft centre E-Length of engine from front end to edge of flywheel housing Average weight of engine ready for installation (dry) 1,880 1,880 For detailed examinations of installation dimensions, please order drawings from our factory.

Open the catalog to page 12

Specific fuel consumption Specific fuel consumption Propeller curve Propeller curv Maximum torque at most fuel efficient operating point

Open the catalog to page 13

Specific fuel consumption g/kWh 240 230 220 Maximum torque at most fuel efficient operating point

Open the catalog to page 14

light duty Characteristics ■ Cylinders and arrangement: ■ Operation mode: ■ Turbocharging: ■ Number of valves: nnFuel system: ■ Engine lubrication: ■ Type of cooling: ■ Engine control: ■ Fuel: 12 cylinders in 90° V arrangement 4-stroke diesel engine, watercooled Turbocharger with charge air intercooler and waste gate (1-stage: D2862 LE 446/426, 2-stage: D2862 LE 456/436/476) 4 valves per cylinder Common Rail direct fuel injection with electronic control Closed system with forced feeding, oil cooling and filtering Plate heat exchanger, seawater cooled Electronic injection control (EDC) Electronic...

Open the catalog to page 15

Technical features Type designation LE 446 LE 426 LE 456 Displacement l Maximum output to DIN ISO 3046-1 kW (hp) Rated speed rpm Maximum torque Nm Lowest specific fuel consumption 1) g/kWh Classifiable Exhaust gas aftertreatment IMO Tier II, IMO Tier II, EPA Tier 32>, EPA Tier 32>, Dimensions Type designation LE 446/426 LE 456/459 A-Overall width B-Overall length C-Overall height D-Top of engine to crankshaft centre E-Length of engine from front end to edge of flywheel housing Average weight of engine ready for installation (dry) For detailed examinations of installation...

Open the catalog to page 16

Marine Commercial Brochure

Marine Commercial Brochure

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