D2676 LE443 Light Duty (I6-730)

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Product Specifications


Cylinders: 6 in line

Displacement: 12.42 litres

Power: 537 kW (730 HP)

RPM: 2300

Maximum torque: 2450 Nm

Fuel injection: Common rail

Emissions: IMO Tier II, EPA Tier 3, RCD 2013/53/EC, 97/68/EC

The D2676 model of the Light Duty line is among the most modern in the MAN Engines collection. With 6 cylinders and a displacement of 12.4 it is particularly suitable for use as an engine for passenger ferries, pilot boats, fishing boats and lifeboats. The modern Common Rail injection system guarantees excellent on-board comfort, reducing vibrations and noise emissions.

Its lightness represents a huge advantage for reducing fuel consumption: its weight is 1,200 kg.

Technical Features

Engine displacement 12.42
Maximum power according to DIN ISO 3046-1 kW (hp) 537 (730)
Nominal speed rpm 2.300
Maximum torque Nm 2.450
at speeds 1.300 – 2.100
Lowest Specific Fuel Consumption1 g/kWh 199
Exhaust gas after-treatment
Exhaust gas status IMO Level II, EPA Level 3

DMC 2013/53/EC,



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


  • Cylinders and Arrangement: 6 cylinders in line
  • Operation mode: 4-stroke diesel engine, water-cooled
  • Turbocharger: Turbocharger with charge air intercooler and exhaust valve
  • 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
  • Cooling type: heat exchanger with engine and sea water circuit
  • Engine Control: Electronic Injection Control (EDC)
  • Electronic engine monitoring including diagnostic unit
  • Fuel: DIN EN 590

Dimensions and weight

A – Total Width (mm) 986
B – Total Length (mm) 1.795
C – Total Height – oil cup (mm) 1.096
D – Top part of the engine at the centre of the crankshaft (mm) 674
E – Length of engine from front end to edge of flywheel housing (mm) 1.527
Average weight of the engine ready for installation (dry) (kg) 1.215

Data Sheet


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