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Offshore Generator Sets

Oil and gas producers have relied on Caterpillar since the industry's earliest days. For 60 years, we've powered the petroleum business on land. Now we go with it onto the ocean, hundred of miles out, thousands of feet down.

7CM46DF

Product Details

Engine Specifications

Minimum Rating 6110.0 ekW
Maximum Rating 6552 ekW
Emissions IMO Tier II
  • 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
  • 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, 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
          • Gauge board with set liquid damped pressure gauges for: fuel, lubricating oil, fresh water, starting air, 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 System
                      •  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
                      •  Pressure switches, mounted on engine
                      •  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 sole
                    • Starting Air System
                      •  Separate non-return valve for the starting air pipe to the engine
                    • Air Inlet System
                      •  Air intake filter, separate
                    • Air intake filter, separate
                      • Gas System
                        •  Double-walled gas piping to support an inherently safe engine room concept
                        •  Leakage detection
                        •  Gas valve unit
                        •  Segmented gas detection system on request
                      • Double-walled gas piping to support an inherently safe engine room concept
                        • Leakage detection
                          • Gas valve unit
                            • Segmented gas detection system on request
                              • Micro pilot fuel injection system
                                •  Gear driven high pressure fuel pump and filter system with easy service access
                                •  Reliability combined with service and maintenance simplicity, through individual ignition fuel injector and “in-cylinder head” integrated ignition fuel return pipes
                              • Fuel System
                                •  Circulating pump, separate, electric motor driven
                                •  Duplex filter with differential pressure indication
                              • Exhaust System
                                •  Turbocharger at free end with transition nozzle (0 degree from the vertical and away from engine), with compressor cleaning device
                                •  Expansion joint separate
                              • Cooling System
                                •  HT pump, separate on module, vertical design, electric motor driven
                                •  LT pump, separate on module, vertical design, electric motor driven
                                •  HT thermostat, not powered and separate on module
                                •  Engine preheating equipment, fitted on base frame
                              • Lube System
                                •  Plate cooler, separate on module
                                •  Force pump, fitted on engine
                                •  Pre-Lubrication pump, separate on module, electric motor driven
                                •  Automatic back flushing filter, fitted on engine
                                •  Duplex filter with differential pressure indication, separate on module
                                •  Pressure control valve, fitted on engine
                                •  Thermostats, not powered, separate on module
                              • Connection 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 connection
                              • 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
                              • Monitoring for Unattended Operation
                                •  Start/stop logic, controlled by engine automatic start
                                •  Optional 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
                                •  Air bottle, separate
                              • Air bottle, separate
                                • Exhaust System
                                  •  Separate silencer and spark arrester, unlagged 35 dB(A)
                                • Separate silencer and spark arrester, unlagged 35 dB(A)
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