D2676 – LE431

MAN Engines & Components

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Cylinders and arrangement 6 cylinders in-line
Operation mode 4-stroke diesel engine, watercooled
Turbocharging Turbocharger charge air intercooler and waste gate
Number of valves 4 valves per cylinder
Fuel system Common Rail direct fuel injection with electronic control
Engine lubrication Closed system with forced feeding, oil cooling and filtering
Type of cooling Heat exchanger with engine and seawater circuit
Engine control Electronic injection control (EDC)
Electronic engine monitoring including diagnostic unit
Fuel DIN EN 590
Technical features
Type designation LE 431
Displacement (l) 12.42
Nominal rating1 (kW (hp)) 324 (12.42)
Rated speed (rpm) 1,800
Torque at rated speed (Nm) 1,719
Maximum torque (Nm) 1,925
at speed (rpm) 1,100 – 1,600
Lowest specific fuel consumption (g/kWh) 205
Exhaust gas aftertreatment
Exhaust gas status IMO Tier II

1) The rating is according to DIN 3046/1

Type designation LE 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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