New CAT Equipment

3512C (HD) Offshore Well Stimulation Engine

The 3512C (HD) offshore engine for well stimulation operations was specifically developed to operate in harsh environments offshore while meeting the highest standards in performance, durability, reliability, and emissions. Cat engines are backed by the worldwide network of Cat dealers ready to support your operation with technical support, service, parts, and warranty. 3512C (HD) offshore engines, with ratings: 1678-1864 bkW (2250-2500 bhp) @ 1900 rpm meet IMO Tier II and U.S. EPA Marine Tier 2 emission standards.

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Product Specs

General Specifications

Minimum Rating 2250 BHP
Maximum Rating 2500 BHP
Aspiration Turbocharged-Aftercooled
Displacement 58.9 inĀ³
Flywheel and Flywheel Housing SAE No. 0
Flywheel Teeth 151
Stroke 8.5 in
Bore 6.7 in


Emissions IMO Tier II and EPA Marine Tier 2


Length 113.8 in
Width 64.2 in
Height 86.1 in
Weight 14145 lb