MAN D2842 LE406, Marine Diesel Parts Engines

The MAN D2842 LE406 is a powerful, V12 marine diesel engine known for its reliability and high performance, producing approximately 1200 horsepower at 2300 RPM. This engine is used in various maritime applications, and “Marine Diesel Parts Engines” refers to the availability of spare parts and remanufactured or used units for this specific model.

Key Characteristics

Engine Type: 12-cylinder, V-configuration, 4-stroke diesel engine.
Application: Marine propulsion, capable of operating in various conditions.
Power: Approximately 1200 HP (894 kW) at 2300 RPM.
Technology: Features an exhaust turbocharger with an intercooler and a direct fuel injection system.
Performance: Offers high tractive power at low speeds, powerful acceleration, and a compact design.
Durability: Known for its robustness, long service life, and reliability.
Support: Backed by a global service network for spare parts and maintenance.

About “Marine Diesel Parts Engines”

This term signifies that the MAN D2842 LE406 is available through specialized suppliers.
You can find original MAN parts or engines that have been remanufactured or are available as used units.
The engine is a component in a larger system, so “parts engines” refers to sourcing these critical components for repair or replacement.

The MAN D2842 LE406 is a 12-cylinder, 90° V-design, 4-stroke marine diesel engine featuring direct fuel injection, exhaust turbocharging with an intercooler, and electronic control. It has a displacement of 21.93L. The LE406 variant, specifically designed for heavier-duty applications, provides approximately 749 kW (1018 HP) at 2100 rpm with a maximum torque of 3700 Nm at 1400-1800 rpm, and typically uses a mechanical fuel system. Its cooling system is designed for marine use, employing a heat exchanger with a seawater pump, with the option for keel cooling.

Engine Specifications

Cylinders & Arrangement: 12-cylinder in 90° V-design
Displacement: 21.93L
Valves: 2 per cylinder, with replaceable cylinder heads
Fuel System: Direct injection with a Bosch mechanical fuel pump
Cooling: Watercooled with an intercooler and a heat exchanger for indirect seawater cooling
Lubrication: Closed system with forced feeding, oil cooling, and filtering
Engine Block: High-strength casting with replaceable cylinder liners
Turbocharging: Exhaust turbocharger with wastegate for boost pressure control
Power Output: Up to 749 kW (1018 HP) at 2100 rpm
Maximum Torque: 3700 Nm at 1400-1800 rpm

Key Features

Marine-Specific:

Designed for watercooled operation with a heat exchanger system.
High Power-to-Weight Ratio:

Known for delivering high power output relative to its compact size and weight, according to MAN Truck & Bus SE.
Direct Injection:

Uses a direct fuel injection system with a mechanical Bosch pump for fuel delivery.
Wastegate:

Features boost pressure control via a wastegate on the exhaust turbocharger.

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MAN D2842 LE406, Marine Diesel Parts Engines

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