D2862 – LE431

MAN Engines & Components

Cylinders and arrangement12 cylinders in V arrangement
Operation mode4-stroke diesel engine, watercooled
TurbochargingTurbocharger charge air intercooler and waste gate
Number of valves4 valves per cylinder
Fuel systemCommon Rail direct fuel injection with electronic control
Engine blockHigh-strength casting with integrated oil and water ducts and replaceable cylinder liners
Engine lubricationClosed system with forced feeding, oil cooling and filtering
Type of coolingPlate heat exchanger seawater cooled
Engine controlElectronic injection control (EDC)
Electronic engine monitoring including diagnostic unit
FuelDIN EN 590
Technical features
Type designationLE 431
Displacement (l)24.24
Nominal rating1 (kW (hp))551 (749)
Rated speed (rpm)1,800
Torque at rated speed (Nm)2,923
Maximum torque (Nm)3,305
at speed (rpm)1,000 –1,600
Lowest specific fuel consumption (g/kWh)198
Exhaust gas aftertreatment
Exhaust gas statusIMO Tier II

1) The rating is according to DIN 3046/1

Type designationLE 431
A-Overall width (mm)986
B-Overall length (mm)1,795
C-Overall height (mm)1,096
D-Top of engine to crankshaft (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.

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