CG137-12 Gas Engine

CG137-12 Gas Engine

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Tough and durable, with field-proven head design to maximize time between overhauls. CG137 engines are equipped with ADEM A4 technology that brings performance, uptime, and low operating cost to your ...
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Engine Specifications

Maximum Rating
NSPS 2010
Minimum Rating
Compression Ratio
Rotation from Flywheel End
Flywheel and Flywheel Housing
SAE No. 14 or 18, Flywheel Housing SAE No. 0
Flywheel Teeth
Weight - Dry
Oil Change Interval
750 hours
Ignition, Protection
Electronic ADEM A4
Air/Fuel Ratio Control
Electronic ADEM A4

Capacity for Liquids

Cooling System
20gal (US)
Lube Oil System - Refill
45gal (US)

Advanced Digital Engine Management

The ADEM A4 system represents the next generation of engine management systems while reducing the number of mechanical components and easing troubleshooting. Features include: • Air/Fuel Ratio Control (AFRC) • Electronic ignition • Electronic governing/speed control • Start/stop logic • Engine protection and monitoring

Full Range of Attachments

Large variety of factory-installed engine attachments reduces packaging time

Gas Engine Rating Pro (GERP)

GERP is a web-based program designed to provide site performance capabilities for Cat® natural gas engines for the gas compression industry. GERP provides engine data for your site's altitude, ambient temperature, fuel, engine coolant heat rejection, performance data, installation drawings, spec sheets, and pump curves.

Product Support Offered Through Global Cat Dealer

More than 2,200 dealer outlets Cat factory-trained dealer technicians service every aspect of your petroleum engine Caterpillar parts and labor 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

Over 60 years of natural gas engine production Ownership of these manufacturing processes enables Caterpillar to produce high quality, dependable products. - Cast engine blocks, heads, cylinder liners, and flywheel housings - Machine critical components - Assemble complete engine

Web Site

For all your petroleum power requirements, visit

Standard Equipment:

Optional Equipment:

    Charging Alternator
    • 24V, 35A CSA alternator
    Exhaust System
    • Exhaust flex fitting
    • Exhaust elbow
    • Exhaust flange — ANSI
    • Operator interface panel
    • Operator interface panel enclosure
    • 15', 20', 50' interconnect harness
    Starting System
    • Air pressure regulator
    • Air start silencer
    • Vane starter
    • Electric starter
    • Turbine starter
    Fuel System
    • Fuel filter
    Air Inlet System
    • Precleaner
    • Rain cap