MAN MARINE ENGINE · Medium Duty
MAN D2676
Latest-generation inline six-cylinder engines for work boats, based on the MAN D2676.
PRODUCT DETAILS
Characteristics
- Cylinders and arrangement
- 6 cylinders in-line
- 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
- 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 control
- Electronic injection control, electronic engine monitoring including diagnostic unit
- Fuel
- DIN EN 590
MAN ENGINE DATA
Technical data
Technical features
| Specification | LE 432 | LE 435 | LE 422 | LE 425 |
|---|---|---|---|---|
| Displacement l | 12.42 | 12.42 | 12.42 | 12.42 |
| Nominal rating 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
| Specification | 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 from front end to flywheel housing mm | 1,527 |
| Average weight ready for installation (dry) kg | 1,215 |