New CAT Equipment

12CM43C Offshore Generator Set

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.

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Product Specs

Engine Specifications

Minimum Rating 14550 kV·A
Maximum Rating 14550 kV·A
Emissions IMO Tier II
Bore 16.9 in
Generator Set Control Electronic
Weight 602700 lb
Stroke 24 in
Aspiration Turbocharged-Aftercooled
Displacement 64868 in³
Engine Control Electronic


Width 149.6 in
Height 256.8 in
Length 580.6 in