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MAN Engines D2868

MAN D2868

Engines are operated in a great variety of applications, each of which imposes completely different specific requirements on the engine. In the D2862/68 V-engine series developed by MAN, 8- and 12-cylinder engines have successfully been brought to market

Product details

Heavy duty operation

Characteristics

  • Cylinders and arrangement:
    8 cylinders in V arrangement
  • Operation mode:
    4-stroke diesel engine, watercooled
  • Turbocharging:
    Turbocharger with charge air intercooler and wastegate
  • Number of valves:
    4 valves per cylinder
  • Fuel system:
    Common rail injection with high pressure pump
  • Engine block:
    High-strength casting with integrated oil and water ducts and replaceable cylinder liners
  • Engine lubrication:
    Closed system with forced feeding, oil cooling and filtering
  • Type of cooling:
    Plate heat exchanger, seawater cooled
  • Engine control:
    Electronic injection control, electronic engine monitoring including diagnostic unit
  • Fuel:
    DIN EN 590

Technical features

  • Type designation
    LE 421
    LE 424
    LE 431
  • Displacement l
    16.16
    16.16
    16.16
  • Nominal rating 1) kW (hp)
    441 (600)
    441 (600)
    500 (680)
  • Rated speed rpm
    1,800
    1,800
    1,800
  • Torque at rated speed Nm
    2,340
    2,340
    2,653
  • Maximum torque Nm
    2,630
    2,630
    2,985
  • at speed rpm
    1,100 –1,600
    1,100 –1,600
    1,200 –1,600
  • Lowest specific fuel consumption g/kWh
    197
    206
    199
  • Classifiable
    ✔
    ✔
    ✔
  • Exhaust gas status
    IMO Tier II
    97/68/EC
    IMO Tier II,
    EPA Tier 3,
    RCD 2013/53/EC,
    97/68/EC
    IMO Tier II
    97/68/EC

Dimensions

  • Type designation
    LE 421/424/431
  • A-Overall width mm
    1,153
  • B-Overall width mm
    1,745
  • C-Overall width mm
    1,243
  • D-Top of engine to crankshaft centre 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