12CM43C

12CM43C

Overview

The 12CM43C 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 12CM43C 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.

Specifications

Units: 
Minimum Rating
Maximum Rating
Emissions IMO Tier II
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Benefits & Features

Engine Design

- World-class reliability and durability - Incorporates years of proven component reliability and - durability in marine industry - Medium speed long-stroke engine design - Ideal configuration for dynamically positioned semisubmersible rigs and drillships - Compact cylinder head design - Nodular cast-iron block with integrated ducts for lubricating oil and charge air - Segmental camshaft design - 25° tilt capability in all directions - Engine design based on the higher requirements of heavy fuel oil - High efficiency turbocharger - Cylinder liner, only cooled outside the engine block - Engine control terminal with analog instrumentation in robust cast casing - Connecting rod, split off design - Compact module for lower valve drives and injection pump drives with cam followers - Optional Flexible Camshaft Technology (FCT)

Ease of Installation

- Standard modular design allows for ease of installation and reduced complexity - Installation-friendly, due to pumps and filters installed on the engine - Cooling water system with simple plug-in connections - Full range of factory-installed engine attachments allows customization and reduction in installation time

Packaging Concept

- Assembled, tested, and validated as a package to minimize package vibration and maximize component life

  January 17, 2024

Specifications

Units: 
Engine Specifications
Minimum Rating
Maximum Rating
Emissions IMO Tier II
Bore
Generator Set Control Electronic
Weight
Stroke
Aspiration Turbocharged-Aftercooled
Displacement
Engine Control Electronic
Dimensions
Width
Height
Length

Benefits & Features

Engine Design

- World-class reliability and durability - Incorporates years of proven component reliability and - durability in marine industry - Medium speed long-stroke engine design - Ideal configuration for dynamically positioned semisubmersible rigs and drillships - Compact cylinder head design - Nodular cast-iron block with integrated ducts for lubricating oil and charge air - Segmental camshaft design - 25° tilt capability in all directions - Engine design based on the higher requirements of heavy fuel oil - High efficiency turbocharger - Cylinder liner, only cooled outside the engine block - Engine control terminal with analog instrumentation in robust cast casing - Connecting rod, split off design - Compact module for lower valve drives and injection pump drives with cam followers - Optional Flexible Camshaft Technology (FCT)

Ease of Installation

- Standard modular design allows for ease of installation and reduced complexity - Installation-friendly, due to pumps and filters installed on the engine - Cooling water system with simple plug-in connections - Full range of factory-installed engine attachments allows customization and reduction in installation time

Packaging Concept

- Assembled, tested, and validated as a package to minimize package vibration and maximize component life

Improved Serviceability

- Large inspection openings allow for convenient access to core engine internals for easier serviceability - Core engine components designed for reconditioning and reuse at overhaul - Worldwide dealer network with factory-trained technicians means that parts and support are never out of reach - Simplified parts spectrum by using single-pipe exhaust gas ducting

Web Site

For all your petroleum power requirements, visit www.catoilandgasinfo.com

Standard Equipment

  • 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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