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3512B Well Stimulation Engine

3512B Well Stimulation Engine

At a Glance

Minimum Rating
2000 BHP
Maximum Rating
2250 BHP
Non-Current EPA, Non-Road Mobile Tier 1
111.3 in
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Well stimulation operations in the oilfield are complex and demanding. The 3500 engine family for well stimulation operations was specifically developed to meet the highest standards in performance, durability, and reliability. Cat engines are backed by the worldwide network of Cat dealers ready to support your operation with technical support, service, parts, and warranty. 3512B engines, with ratings: 1491-1678 bkW (2000-2250 bhp) @ 1900 rpm meet U.S. EPA Marine Tier 1 equivalent and U.S. Non-road EPA Tier 1 equivalent emission standards. They are available using U.S. EPA and EU Flexibility, and for other regulated and non-regulated areas.

General Specifications

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Minimum Rating 2000BHP
Maximum Rating 2250BHP
Aspiration Turbocharged-Aftercooled
Displacement 3173in³
Flywheel and Flywheel Housing SAE No. 0
Flywheel Teeth 151
Stroke 7.5in
Bore 6.7in


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Emissions Non-Current EPA, Non-Road Mobile Tier 1


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Length 111.3in
Width 70.6in
Height 73.3in
Weight 10590lb