D2868 – LE431

MAN Engines & Components

Cylinders and arrangement8 cylinders in 90° V arrangement
Operation mode4-stroke diesel engine, watercooled
TurbochargingTurbocharger with charge air intercooler and waste gate
(1-stage: D2686 LE 426, 2-stage: D2868 LE 436)
Number of valves4 valves per cylinder
Fuel systemCommon Rail direct fuel injection with electronic control
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
FuelDIN EN 590
Technical features
Type designationLE 431
Displacement (l)16.16
Nominal rating1 (kW (hp))500 (680)
Rated speed (rpm)1,800
Torque at rated speed (Nm)2,653
Maximum torque (Nm)2,985
at speed (rpm)1,100 –1,600
Lowest specific fuel consumption (g/kWh)199
Exhaust gas aftertreatment
Exhaust gas statusIMO Tier II,

1) The rating is according to DIN 3046 /1

Type designationLE 431
A-Overall width (mm)1,153
B-Overall length (mm)1,745
C-Overall height (mm)1,243
D-Top of engine to crankshaft (mm)765
E-Length of engine from front end to edge of flywheel housing (mm)1,243
Average weight of engine ready for installation (dry | kg)1,780

For detailed examinations of installation dimensions, please order drawings from our factory.

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