Offshore Drilling and Production Generator Sets

12CM32C Offshore Generator Set

Minimum Rating

5,460 kV·A

Maximum Rating

5,460 kV·A




The 12CM32C generator set brings to the offshore oil and gas industry a legacy of proven reliability and durability. 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 12CM32C offshore generator sets are main power on-board drilling and 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.

    Capacity for Liquids

    Lube Oil System - Refill

    2,113 gal (US)

    Cooling System - Engine

    370 gal (US)



    123.7 in


    225 in


    421.7 in

    Engine Specifications

    Minimum Rating

    5,460 kV·A

    Maximum Rating

    5,460 kV·A


    IMO Tier II



    Engine Control


    Generator Set Control



    18.1 in


    280,000 lb


    27,095 in³


    12.6 in

    • Engine
      • Motor-driven barring gear, fitted on engine
      • Reversing contractor and push button 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
      • Pressure switches, mounted on engine, for:
      • Switches for:
      • Control Cabinet with housings for wall mounting, including:
    • 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
    • Fuel System
      • Separate circulating pump driven by electric motor, horizontal or vertical
      • 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, separate, vertical design, electric motor driven
      • 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, separate
      • Duplex filter with differential pressure indication, separate
      • Pressure control valve, separate
      • Thermostat, not powered, separate
    • 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
    • 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

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