D2862 LE421 Heavy Duty

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Product Specifications


Cylinders: V12

Displacement: 24.24 litres

Power: 662 kW (900 CV)

RPM: 1.800

Maximum Torque: 3955

Fuel Injection: Common Rail

Emissions: IMO Level II; 97/68/CE


The D2862 LE421 MAN Marine engine offers a power of 900 HP, with a displacement of 24.24 L, common rail injection system and 12-cylinder V configuration.

Technical Features

Model LE 421
Displacement l 24.24
Maximum power according to DIN ISO 3046-1 kW (HP) 662 (900)
at speeds 1.800
Maximum torque Nm 3.955
at speeds 1.100 – 1.600
Lowest specific fuel consumption 1 g/kWh 195
Exhaust gas after-treatment
Exhaust gas status IMO Level II,



1: Tolerance +5% according to DIN ISO 3046-1

2: For private use only


  • Cylinders and arrangement: 12 cylinders in V arrangement
  • Mode of operation: 4-stroke diesel engine, water-cooled
  • Turbocharger: Turbocharger charge air intercooler and exhaust gate
  • Number of valves: 4 valves per cylinder
  • Fuel system: Electronically controlled common rail direct injection
  • Engine Block: High strength casting with integrated oil and water lines and replaceable cylinder liners
  • Engine lubrication: Closed system with forced feeding, oil cooling and filtering
  • Cooling type: Heat exchanger and seawater cooled plates
  • Engine control: Electronic injection control (EDC) – Electronic engine monitoring including diagnostic unit
  • Fuel: DIN EN 590

Dimensions and weight

A-Total Width (mm) 1.153
B-Total Length (mm) 2.130
C-Total Height (mm) 1.230
D-Top part of the engine at the centre of the crankshaft (mm) 765
E-Engine length from front end to edge of flywheel housing (mm) 1.630
Average weight of the engine ready for installation (dry) (kg) 2.270


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