Offshore Drilling and Production Generator Sets
8CM25C
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Minimum Rating3200 kV·A
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Maximum Rating3200 kV·A
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EmissionsIMO Tier II
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AspirationTurbocharged-Aftercooled
Engine Specifications
- Minimum Rating
- 3200 kV·A
- Maximum Rating
- 3200 kV·A
- Emissions
- IMO Tier II
- Aspiration
- Turbocharged-Aftercooled
- Stroke
- 15.7 in
- Bore
- 10.0 in
- Displacement
- 9959.0 in3
- Engine Control
- Electronic
- Generator Set Control
- Electronic
- Weight
- 116845 lb
- Aspiration
- Turbocharged-Aftercooled
- Bore
- 10 in
- Displacement
- 9959 in³
- Stroke
- 15.7 in
Dimensions
- Length
- 359.4 in
- Height
- 174.7 in
- Width
- 99.8 in
- Height
- 174.7 in
- Length
- 359.4 in
- Width
- 99.8 in
Capacity for Liquids
- Cooling System
- 165.0 gal
- Lube Oil System
- 645.0 gal
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Engine Indicators
- Gauge board with set liquid damped pressure gauges for: fuel, lubricating oil, fresh water, starting air, and charge air.
- On-engine thermometers for fuel, lubricating oil, fresh water, and charge air
- Electric remote speed indicator
- Turbocharger and remote speed indicator
- Exhaust gas temperature indicator
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Engine
- Motor-driven barring gear, fitted on engine
- Reversing contractor and pushbutton switch with cable
- Electronic speed setting equipment with actuator and speed pick-up
- Emergency shutdown equipment with pushbutton, separate, for manual emergency stop
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Control
- Manual control on engine, including: control panel with start /stop key, speed setting device, mechanical shutdown device, change over of control functions from engine to remote control
- Starting solenoid valve on engine, 24 V DC
- Separate electronic speed governor
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Monitoring for Unattended Operation
- Pressure switches, mounted on engine, for: - Lube oil pressure at full load below danger level - Low lube oil pressure - Lube oil pressure below danger level - Lube oil pressure prelubrication failed - Low fresh water pressure at engine inlet - Fresh water pressure at engine inlet below danger level - Low fresh water pressure in LT circuit - Low starting air pressure - Low control air pressure engine/shutdown air pressure - Low fuel pressure at engine inlet Switches for: - High lube oil temperature at engine inlet - Lube oil temperature at engine inlet above danger level - High water temperature at engine inlet - Water temperature at engine outlet above danger level - High charge-air temperature at engine inlet - Detection of water in charge-air duct - Leak fuel level - Alarm contact for high differential pressure at fuel filter - Alarm contact for high differential pressure at lube oil back flushing filter - Set of thermocouples after each cylinder, before and after turbocharger - Crankcase oil mist detector Control Cabinet with housings for wall mounting, including: - Protection equipment designed for automatic and manual stop input signals, starting interlock input signals, monitoring for the wire break of the input signal units and the emergency shutdown solenoid - Speed recording system for overspeed, firing speed and minimum speed - Start /stop logic, controlled by engine automatic start (optional) - Service hour counter - Noris alarm system, cassette type, designed for alarm inputs for the engine including exhaust mean-value monitoring equipment as well as alarm inputs for the propulsion plant - Group alarm panel for the bridge and with optional and acoustical alarm equipment
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Starting Air System
- Separate non-return valve for the starting air pipe to the engine
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Air Intake System
- Air intake filter, fitted on the turbocharger
- Air bottles, separate
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Diesel Oil System
- Separate circulating pump driven by electric motor, horizontal or vertical
- Duplex filter with differential pressure indication
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Exhaust System
- Turbocharger at free end with transition nozzle (0 degrees from the vertical and away from engine), with compressor cleaning device
- Expansion joint separate
- Separate silencer and spark arrester, unlagged 35 dB(A)
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Fresh Cooling Water System
- HT pump, fitted on engine
- LT pump, separate, vertical design, electric motor driven
- HT thermostat, not powered and separate
- Engine preheating equipment, fitted on base frame
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Lubricating Oil System
- Plate cooler, fitted on engine
- Force pump, fitted on engine
- Prelubrication pump, fitted on base frame, electric motor driven
- Boll and Kirch automatic backflushing filter, separate
- Duplex filter with differential pressure indication, separate
- Pressure control valve, separate
- Thermostat, not powered, separate
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Connecting Parts- Engine
- Set of connecting parts between flange coupling and flywheel
- Flexible flange coupling between engine and generator
- Base frame with flywheel guard and incorporating lube oil sump tank, for engine and generator
- Mounting of engine and generator on the base frame
- Set of bonded rubber rails for resilient mounting of the base frame
- Set of flexible pipe connections
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Tools
- Set of tools for the engine including hydraulic tightening tools and nozzle tester
- Set of tools for turbocharger
- Inside micrometer for cylinder liners
- Ruler for cylinder liner
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Spare Parts
- Set of engine spare parts for unrestricted operation
- Set of spare flexible pipe connections