MAN Engines D2862 (light / medium / heavy duty)

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

Light duty operation

Characteristics

  • Cylinders and arrangement:
    12 cylinders in 90° V arrangement
  • Operation mode:
    4-stroke diesel engine, watercooled
  • Turbocharging:
    Turbocharger with charge air intercooler and waste gate (1-stage: D2862 LE 446/426, 2-stage: D2862 LE 456/436)
  • 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:
    Plate heat exchanger, seawater cooled
  • Engine control:
    Electronic injection control (EDC) Electronic engine monitoring including diagnostic unit
  • Fuel:
    DIN EN 590

Technical features

  • Type designation
    LE 446
    LE 426
    LE 456
    LE 436
  • Displacement l
    24.24
    24.24
    24.24
    24.24
  • Maximum output to DIN ISO 3046-1 kW (hp)
    1,029 (1,400)
    1,140 (1,550)
    1,213 (1,650)
    1,324 (1,800)
  • Rated speed rpm
    2,300
    2,300
    2,300
    2,300
  • Maximum torque Nm
    4,680
    5,180
    5,510
    6,010
  • at speed rpm
    1,200 – 2,100
    1,200 – 2,100
    1,200 – 2,100
    1,200 – 2,100
  • Lowest specific fuel consumption g/kWh
    203
    203
    195
    200
  • Classifiable
    -
    -
  • Exhaust gas status
    IMO Tier II, EPA Tier 3
    RCD 2013/53/EC,
    97/68/EC
    IMO Tier II, EPA Tier 3
    RCD 2013/53/EC,
    97/68/EC
    IMO Tier II, EPA Tier 3
    RCD 2013/53/EC,
    97/68/EC
    IMO Tier II, EPA Tier 3
    RCD 2013/53/EC,
    97/68/EC

Dimensions

  • Type designation
    LE 446/426
    LE 456/436
  • A-Overall width mm
    1,153
    1,153
  • B-Overall width mm
    2,130
    2,139
  • C-Overall width mm
    1,230
    1,272
  • D-Top of engine to crankshaft centre mm
    765
    808
  • E-Length of engine from front end to edge of flywheel housing mm
    1,630
    1,658
  • Average weight of engine ready for installation (dry) kg
    2,270
    2,380

Medium duty operation

Characteristics

  • Cylinders and arrangement:
    12 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 422
    LE 425
  • Displacement l
    24.24
    24.24
  • Nominal rating 1) kW (hp)
    749 (1,019)
    749 (1,019)
  • Rated speed rpm
    2,100
    2,100
  • Torque at rated speed Nm
    3,406
    3,406
  • Maximum torque Nm
    3,780
    3,770
  • at speed rpm
    1,300 –1,900
    1,100 –1,900
  • Lowest specific fuel consumption g/kWh
    207
    200
  • Classifiable
  • Exhaust gas status
    IMO Tier II
    97/68/EC
    IMO Tier II, EPA Tier 3
    RCD 2013/53/EC,
    97/68/EC

Dimensions

  • Type designation
    LE 422/425
  • A-Overall width mm
    1,153
  • B-Overall width mm
    2,130
  • C-Overall width mm
    1,230
  • D-Top of engine to crankshaft centre mm
    765
  • E-Length of engine from front end to edge of flywheel housing mm
    1,630
  • Average weight of engine ready for installation (dry) kg
    2,270

Heavy duty operation

Characteristics

  • Cylinders and arrangement:
    12 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 431
    LE 434
  • Displacement l
    24.24
    24.24
  • Nominal rating 1) kW (hp)
    551 (749)
    551 (749)
  • Rated speed rpm
    1,800
    1,800
  • Torque at rated speed Nm
    2,923
    2,923
  • Maximum torque Nm
    3,305
    3,305
  • at speed rpm
    1,000 –1,600
    1,000 –1,600
  • Lowest specific fuel consumption g/kWh
    198
    202
  • Classifiable
  • Exhaust gas status
    IMO Tier II
    97/68/EC
    IMO Tier II
    97/68/EC

Dimensions

  • Type designation
    LE 431 / 434
  • A-Overall width mm
    1,153
  • B-Overall width mm
    2,130
  • C-Overall width mm
    1,230
  • D-Top of engine to crankshaft centre mm
    765
  • E-Length of engine from front end to edge of flywheel housing mm
    1,630
  • Average weight of engine ready for installation (dry) kg
    2,270