D2862 LE456 Light Duty (V12-1650 EPA T3)

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Product Specifications:


Cylinders: V12

Displacement: 24.24 litres

Power: 1,213 kW (1,650 HP)

RPM: 2.300

Maximum torque: 5,510 Nm

Fuel Injection: Common Rail

Emissions: IMO Level II, EPA Level 3 2, DMC 2013/53/EC, 97/68/EC

Comfort on board guaranteed thanks to quieter navigation. Here is one of the major advantages of the MAN V12-1650 12-cylinder V engine. Due to its characteristics, it is particularly suitable for yachts and pleasure boats from 50 to 100 feet.

Its weight/power ratio of 1.45 kg per HP, thanks to its low weight (2,400 kg), helps to ensure excellent efficiency, which is why the engine is ideal for those who like to sail comfortably during the night to cover long distances.

Another advantage is represented by the second-generation common rail direct injection system, which has a positive impact on:

  • make the engine quieter;
  • improve acceleration;
  • ensure more comfortable driving by reducing fuel consumption.

Finally, its compact dimensions and modern exhaust system make the V12-1650 engine more easily installable, also reducing maintenance costs.

Technical Features

Model LE 446
Displacement I 24.24
Maximum power according to DIN ISO 3046-1 kW (HP) 1,213 (1,650)
Nominal Speed Rpm 2,300
Maximum torque Nm 5.510
at speeds 1.200 – 2.100 rpm
Lowest specific fuel consumption 1 g/kWh 195
Exhaust gas after-treatment
Exhaust gas status

IMO Level II,

EPA level 3 2,

DMC 2013/53/CE


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

2: For private use only


  • Cylinders and arrangement: 12 cylinders with a 90° V arrangement
  • Mode of operation: 4-stroke diesel engine, water-cooled.
  • Turbocharger: Turbocharger with charge air intercooler and waste gate (1 stage: D2862 LE 446/426: 2 stages: D2862 LE 456/436/476)
  • Number of valves: 4 valves per cylinder
  • Fuel system: Electronically controlled common rail direct injection
  • Engine lubrication: Closed system with forced feeding, oil cooling and filtering
  • Cooling type: Plate heat exchanger, seawater cooled
  • Engine control: Electronic injection control (EDC) – Electronic engine monitoring including diagnostic unit
  • Fuel: DIN EN 590

Dimensions and weight

Model LE 446
A-Total width (mm) 1.153
B-Total Lenght(mm) 2.139
C-Total Height (mm) 1.272
D-Top part of the engine at the centre of the crankshaft (mm) 808
E-Engine length from front end to edge of flywheel housing (mm) 1.658
Average weight of the engine ready for installation (dry) (kg) 2.380

Data Sheet


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