Oil and gas drilling is a complex task that requires specialized power generation equipment. Cat 3500 power modules are specifically designed for drilling operations of electric AC rigs. They combine decades of field experience of the 3500 platform with the latest electronics to ensure highest performance, low emissions, and simplified operator interface. Cat power modules are backed by the worldwide network of Cat dealers ready to support your operation with technical support, service, parts, and warranty. 3512B land drilling power module ratings: 1045-1245 ekW (1492-1750 kVA) @ 50/60 Hz (1200/1500 rpm). Not emissions certified, available for non-regulated areas.

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Engine Specifications
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Minimum Rating 1045.0 ekW 1045.0 ekW
Maximum Rating 1245.0 ekW 1245.0 ekW
Emissions Non-certified Non-certified
Oil Change Interval 500.0 h 500.0 h
Bore 6.69 in 170.0 mm
Fuel System EUI EUI
Engine Control and Protection ADEM A3 ADEM A3
Generator SR4B SR4B
Displacement 3158.0 in³ 52.0 l
Stroke 7.48 in 190.0 mm
Generator Set Control EMCP 4.3 EMCP 4.3
Weight 30864.0 lb 14000.0 kg
Voltage 600 600
Aspiration Turbocharged-Aftercooled Turbocharged-Aftercooled

Custom Packaging

For any petroleum application, trust Caterpillar to meet your project needs with custom factory generator sets and mechanical packages. Cat engines, generators, controls, radiators, and transmissions can be custom designed and matched in collaboration with our local dealers to create unique solutions. Custom packages are globally supported and are covered by a one year warranty after startup.


- Every Cat generator set is full-load tested to ensure proper engine performance. - Standard configurations are assembled, tested, and validated as a package to ensure performance, reliability and durability.

Product Support Offered Through Global Cat Dealer Network

- More than 2,200 dealer outlets - Cat factory-trained dealer technicians service every aspect of your Cat petroleum product - Worldwide parts availability, service, and warranty - Preventive maintenance agreements available for repairbefore- failure options - S•O•SSM program matches your oil and coolant samples against Caterpillar set standards to determine: • Internal engine component condition • Presence of unwanted fluids • Presence of combustion by-products • Site-specific oil change interval

Over 80 Years of Engine Manufacturing Experience

Ownership of these manufacturing processes enables Caterpillar to produce high quality, dependable products.

Web Site

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3512B Standard Equipment

Air Inlet System
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  • Corrosion-resistant aftercooler core
  • Air Inlet shutoff
  • Regular duty air cleaner

3512B Optional Equipment

Air Inlet System
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  • Heavy duty air cleaner
  • Remote air inlet adapter - rectangular
  • Remote air inlet adapter - round