M 25 C

Overview

The complete diesel generator set is notable for its ease of installation, reliable operation, ease of maintenance and good component accessibility. The basis is formed by the rigid base frame as a foundation of the engine and alternator with an integrated oil sump, large oil volume and universal equipment for both HFO and MDO operation. The M 25 C has a wide range of application providing power for the continuous generation of electricity where a high level of reliability is important. The power range of the M 25 C engine series as a generator unit varies from 2,140 to 3,560 kVA.

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Generator Set Specifications
Minimum Rating1669 kWe (2088 kVA)
Maximum Rating2877 kWe (3600 kVA)
Emissions/Fuel StrategyIMO II
Engine Specifications
Configuration6,8,9 Cylinder
Bore255mm
Stroke400mm
Swept Volume20.4l/cyl
Generator Set Dimensions and Weights - Dependent on Generator Type
Width2479 mm - 2534 mm ( 97.6 in - 99.8 in)
Length8070 mm - 9516 mm (317.7 in - 374.6 in)
Height3911 mm - 3963 mm (154.0 in - 156.0 in)
Weight43 t - 56 t (94799 lbs - 123459 lbs)
Air Inlet System
Air intake silencer / filter
Control System
Load sharing unit (for multiple engine plant only)
Protection system
Serial link interface (MODbus / canbus)
Speed governor
Cooling System
Electric cooling water preheater
HT cooling water pump (engine driven)
2-stage charge air cooler
Exhaust System
Exhaust gas expansion joint
Exhaust gas insulated manifolds
Turbocharger at counter-flywheel end
Fuel System
Fuel circulating pump (attached / for MDO/MGO only)
Fuel indicator filter
Fuel pressure valve (fitted / for MDO/MGO only)
Instrumentation
Control push buttons and lamps
Emergency stop lever
Local control panel
Pressure and temperature indicator
Lube System
Lube oil cooler (separate)
Lube oil pump (engine driven)
Lube oil self-cleaning filter
Pre-lubricating pump (electric driven / fitted on base frame)
Oil sump in base frame
Pressure regulating valve
Mounting System
Flexible pipe connections
High flexible coupling
Resilient mounting on base frame
Starting System
Electrical barring device
Starting air valve
General
Engine, flex. coupling and generator mounted on a common base frame
Flywheel cover
Lifting device (rental)
Torsional Vibration Calculation (TVC)
Intelligent simplicity
This MaK design principles is most clearly reflected in the reduction in the number of components. About 40 % of parts have been dispended. It has resulted in a marked gain in operational reliability and a reduction in operating costs.
Reliable energy supply
The complete diesel engine is notable for its ease of installation, reliable operation, ease of maintenance and good component accessibility.
Ready for installation
In addition to many outstanding technical features, the long-stroke M 25 C engine is also easy to install and provides good maintenance access to all components.
Complete propulsion system
The supply of complete propulsion systems is a market requirement which is becoming increasingly important.
System responsibility and supply from a single source, accurately matched interfaces and coordinated delivery data control
Specifications
Generator Set Specifications
Minimum Rating1669 kWe (2088 kVA)
Maximum Rating2877 kWe (3600 kVA)
Emissions/Fuel StrategyIMO II
Engine Specifications
Configuration6,8,9 Cylinder
Bore255mm
Stroke400mm
Swept Volume20.4l/cyl
Generator Set Dimensions and Weights - Dependent on Generator Type
Width2479 mm - 2534 mm ( 97.6 in - 99.8 in)
Length8070 mm - 9516 mm (317.7 in - 374.6 in)
Height3911 mm - 3963 mm (154.0 in - 156.0 in)
Weight43 t - 56 t (94799 lbs - 123459 lbs)
Equipment
Air Inlet System
Air intake silencer / filter
Control System
Load sharing unit (for multiple engine plant only)
Protection system
Serial link interface (MODbus / canbus)
Speed governor
Cooling System
Electric cooling water preheater
HT cooling water pump (engine driven)
2-stage charge air cooler
Exhaust System
Exhaust gas expansion joint
Exhaust gas insulated manifolds
Turbocharger at counter-flywheel end
Fuel System
Fuel circulating pump (attached / for MDO/MGO only)
Fuel indicator filter
Fuel pressure valve (fitted / for MDO/MGO only)
Instrumentation
Control push buttons and lamps
Emergency stop lever
Local control panel
Pressure and temperature indicator
Lube System
Lube oil cooler (separate)
Lube oil pump (engine driven)
Lube oil self-cleaning filter
Pre-lubricating pump (electric driven / fitted on base frame)
Oil sump in base frame
Pressure regulating valve
Mounting System
Flexible pipe connections
High flexible coupling
Resilient mounting on base frame
Starting System
Electrical barring device
Starting air valve
General
Engine, flex. coupling and generator mounted on a common base frame
Flywheel cover
Lifting device (rental)
Torsional Vibration Calculation (TVC)
Benefits & Features
Intelligent simplicity
Reliable energy supply
Ready for installation
Complete propulsion system
System responsibility and supply from a single source, accurately matched interfaces and coordinated delivery data control
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