New CAT Equipment

CG137-12 Oilfield Gas Generator Set

Production of oil and gas in the oilfield can be a challenge when utility power is not available. The Caterpillar product line of oilfield gas generator sets provides the ideal solutions for this challenge. Engines are designed to run on low to no-cost well site gas without sacrifice on performance. These generator sets allow customers to significantly reduce fuel cost and avoid the expense and logistics of diesel fuel deliveries. Plus, they are designed to withstand the harsh conditions in the oilfield and feature a heavy-duty construction ideal for loading and unloading operations. Cat generator sets are backed by the worldwide network of Cat dealers ready to support your operation with technical support, service, parts, and warranty. CG137-12 oilfield gas generator set. Rating: 400 ekW (500 kVA) @ 60 Hz (1800 rpm). Configurations available to meet NSPS emission standards in non-attainment areas.

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Product Specs

Engine Specifications

Maximum Rating 400 ekW (500 kVA)
Minimum Rating 400 ekW (500 kVA)
Emissions/Fuel Strategy U.S. EPA Tier II Nonroad Mobile Emissions Certified. Available for NSPS compliance via Design to Order process
Aspiration Turbocharged-Aftercooled
Manifold Type Watercooled
Bore 5.39 in
Stroke 6.46 in
Displacement 1770 inĀ³
Engine Control and Protection ADEM A4
Generator Set Control EMCP 4.4 Control Panel
Generator SR4B
Frequency - Speed 60 Hz (1800 rpm)

Capacity for Liquids

Fuel CNG, LNG, field gas, natural gas
Lube Oil System - Refill 45 gal (US)
Cooling System - Engine 15 gal (US)


Length 230 in
Width 89 in
Height 102.3 in
Weight 19731 lb