6CM20C

6CM20C

6CM20C

The 6CM20C generator set brings to the offshore industry a legacy of proven reliability and durability in the marine industry. CM offshore generator sets feature standard modular designs, engine-mounted pumps and filters, and a full range of factory attachments that make their installation simple and efficient. Ideal applications for the 6CM20C offshore generator sets are main power on-board production vessels and platforms. Complete package offerings are MCS type-approved and compliant with IMO Tier II emissions standards, making their integration into vessels and platforms a simplified operation. Cat generator sets are backed by the worldwide network of Cat dealers ready to support your operation with technical support, service, parts, and warranty. Cat 6CM20C offshore generator set.

Engine Specifications
Minimum Rating
1230kV·A
Maximum Rating
2050kV·A
Emissions
IMO Tier II
Weight
41446lb
Bore
7.87in
Displacement
3442in³
Engine Control
Electronic
Stroke
11.81in
Generator Set Control
Electronic
Aspiration
Turbocharged-Aftercooled
Dimensions
Length
239.1in
Width
66.14in
Height
126.7in

Standard Equipment:

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
 
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
 
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
 
Monitoring For Unattended Operation
  • 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 - Optional 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 - Optional Group alarm panel for the bridge and with optional and acoustic alarm equipment
 
Starting Air System
  • Separate non-return valve for the starting air pipe to the engine
 
Air Intake System
  • Air intake filter, fitted on the turbocharger
  • Air bottles, separate
 
Diesel Oil System
  • Circulating pump fitted on engine
  • Duplex filter with differential pressure indication
 
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)
 
Fresh Cooling Water System
  • HT pump, fitted on engine
  • LT pump, fitted on engine
  • HT thermostat, not powered and separate
  • Engine preheating equipment, fitted on base frame
 
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, fitted on engine
  • Pressure control valve, fitted on engine
 
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
  • Set of bonded rubber rails for resilient mounting of the base frame
  • Set of flexible pipe connections
 
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
 
Spare Parts
  • Set of engine spare parts for unrestricted operation
  • Set of spare flexible pipe connections
 

Optional Equipment:

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