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Cummins Marine Generating Set

Model - CCFJ250JW

Technical Data Sheet

Standard Specification

General Features :

  • Coupled with Cummins diesel engine and Marathon alternator.
  • 24V DC start motor.
  • Brushless, Self-excited, IP23, insulation class H alternator.
  • All qualified generator sets are subjected to a comprehensive performance test which includes 50% load, 75% load, 100% load, 110% load and to check, verify that all control systems, alarm and shut-down protection.

Genset Technical Data

Prime Power 250 kW
Standby Power 275 kW
Rated Speed 1800 rpm
Output Frequency 60 Hz
Phase 3
Rated Voltage 440 V
Noise dB(A) @7m 100
Engine Model NTA855-DM
Alternator Model MP-H-250-4


  • Stability, reliability and easy-service
  • Low operating and maintenance cost
  • Widely used, location to meet customer needs
  • Easy-installation, easy-operation and maintenance


  • GB/T13032-1991
  • ISO9001:2008 Quality Control System
  • CCS approved

Dimension and Weight

  • Overall size (LxWxH) 2760×995×1790 mm
  • Weight : 3180 kg For reference only

Engine Specification

Cummins Diesel Engine
Technical Data

Engine Model NTA855-DM
Number of Cylinders 6 cylinders in line
Cycle 4 stroke
Aspiration Turbocharged
Bore & Stroke 140 x 152 mm
Displacement 14.0 L
Compression ratio 14.5:1
Prime power / speed 287 kW / 1800 rpm
Speed Governor Electrical
Cooling System By heat exchanger
Fuel Consumption at 100% Load 212 g/kw.h
Starter Motor DC24V

Aternator Specification

Marathon Alternator (Standard)
Technical Data

Alternator Model MP-H-250-4
Alternator manufacturer Marathon
Exciter type Single bearing, Brushless, Self-excited
Rated output prime power 150 kW
Rated Speed 1800 rpm
Rated frequency 60 Hz
Phase 3
Rated voltage 440 V (Available with customer requirements)
Power factor 0.8
Voltage adjust range ≥5%
Voltage regulation NL-FL ≤±1%
Insulation grade H
Protection grade IP23

Control System

Control System MFKC200AG

All marine gensets have a control cubicle mounted on a isolated support, which has the following features

  • Microcomputer digital control, and reliable work.
  • Digital display of parameters of diesel engine, and integration of measuring and monitoring.
  • Modularization of functional configuration, and integration of product structures.
  • Resistance to vibration, humidity, salt mist and high/low temperature.
  • Powerful ability to resist interference, convenient installation and use, and high performance-price ratio.
  • Remote monitoring of running parameters.
  • Automatic zero set of lubricating oil pressure.
  • Accumulation of running period of diesel engine.

The Control Module Display

  • Lube oil temperature
  • Lube oil pressure
  • Water temperature
  • Engine speed
  • Battery voltage
  • Engine run-time (Hours)


  • Speed high
  • Pressure low
  • Pressure lower
  • Water temperature high
  • Water temperature higher
  • Power
  • Alarm
  • Run
  • Charge
  • Start
  • Stop

Keys and bottons

  • Start
  • Self-test
  • Timer
  • Mute
  • Reset
  • Stop

Remarks: For the specific and detailed features of the above types, please refer to “Control System Selection” file.

Supply Documents

Operation and maintenance manual 1PC
CCS certificate IPC