MAN Engines D2676 (light / medium / heavy duty)

MAN Engines is set to modernize its range of inline six-cylinder engines for work boats with the launch of the latest generation of engines based on the MAN D2676 with cylinder capacity of 12.4 l. Designed for use in vessels such as passenger ferries, pil

Product details

Light duty operation

Characteristics

  • Cylinders and arrangement:
    6 cylinders in-line
  • Operation mode:
    4-stroke diesel engine, watercooled
  • Turbocharging:
    Turbocharger with 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 443
    LE 423
  • Displacement l
    12.42
    12.42
  • Maximum output to DIN ISO 3046-1 kW (hp)
    537 (730)
    588 (800)
  • Rated speed rpm
    2,300
    2,300
  • Maximum torque Nm
    2,450
    2,674
  • at speed rpm
    1,300 – 2,100
    1,400 – 2,000
  • Absolute fuel consumption at rated power 1) l/h
    199
    213
  • Classifiable
    -
  • Exhaust gas status
    IMO Tier II, EPA Tier 3
    RCD 2013/53/EC,
    97/68/EC
    IMO Tier II, EPA Tier 3 2),
    RCD 2013/53/EC,
    97/68/EC

Dimensions

  • Type designation
    LE 443
    LE 423
  • A-Overall width mm
    986
    986
  • B-Overall width mm
    1,795
    1,795
  • C-Overall width mm
    1,096
    1,096
  • D-Top of engine to crankshaft centre mm
    674
    674
  • E-Length of engine from front end to edge of flywheel housing mm
    1,527
    1,527
  • Average weight of engine ready for installation (dry) kg
    1,215
    1,215

Medium duty operation

Characteristics

  • Cylinders and arrangement:
    6 cylinders in-line
  • 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:
    Force-feed lubrication, lubrication oil cooler in cooling water circuit of the engine
  • Type of cooling:
    Seawater cooled charge air cooler, plate heat exchanger by rubber impeller pump
  • Engine control:
    Electronic injection control, electronic engine monitoring including diagnostic unit
  • Fuel:
    DIN EN 590

Technical features

  • Type designation
    LE 432
    LE 435
    LE 422
    LE 425
  • Displacement l
    12.42
    12.42
    12.42
    12.42
  • Nominal rating 1) kW (hp)
    412 (560)
    412 (560)
    478 (650)
    478 (650)
  • Rated speed rpm
    2,100
    2,100
    2,100
    2,100
  • Torque at rated speed Nm
    1,869
    1,869
    2,174
    2,174
  • Maximum torque Nm
    2,065
    2,065
    2,402
    2,402
  • at speed rpm
    1,200 –1,900
    1,200 –1,900
    1,200 –1,900
    1,200 –1,900
  • Lowest specific fuel consumption g/kWh
    196
    204
    197
    205
  • 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
    IMO Tier II, EPA Tier 3
    RCD 2013/53/EC,
    97/68/EC

Dimensions

  • Type designation
    LE 432/435/422/425
  • A-Overall width mm
    986
  • B-Overall width mm
    1,795
  • C-Overall width mm
    1,096
  • D-Top of engine to crankshaft centre 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

Heavy duty operation

Characteristics

  • Cylinders and arrangement:
    6 cylinders in-line
  • 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:
    Force-feed lubrication, lubrication oil cooler in cooling water circuit of the engine
  • Type of cooling:
    Seawater cooled charge air cooler, plate heat exchanger by rubber impeller pump
  • Engine control:
    Electronic injection control, electronic engine monitoring including diagnostic unit
  • Fuel:
    DIN EN 590

Technical features

  • Type designation
    LE 461
    LE 451
    LE 441
  • Displacement l
    12.42
    12.42
    12.42
  • Nominal rating 1) kW (hp)
    147 (200)
    210 (286)
    270 (367)
  • Rated speed rpm
    1,800
    1,800
    1,800
  • Torque at rated speed Nm
    780
    1,114
    1,432
  • Maximum torque Nm
    880
    1,250
    1,616
  • at speed rpm
    1,200 –1,600
    1,200 –1,600
    '
    1,200 –1,600
  • Lowest specific fuel consumption g/kWh
    221
    214
    212
  • Classifiable
  • Exhaust gas status
    IMO Tier II
    97/68/EC
    IMO Tier II
    97/68/EC
    IMO Tier II
    97/68/EC

Dimensions

  • Type designation
    LE 461/451/441
  • A-Overall width mm
    986
  • B-Overall width mm
    1,795
  • C-Overall width mm
    1,096
  • D-Top of engine to crankshaft centre 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