CG137-12 Gas Engine

  • Exterior View

CG137-12 Gas Engine

Minimum Rating 600 bhp
Maximum Rating 600 bhp
Emissions NSPS 2010
Displacement 1,648 in3
Compression Ratio 8.3:1
Aspiration Turbocharged-Aftercooled
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Engine Specifications
Minimum Rating 600 bhp
Maximum Rating 600 bhp
Emissions NSPS 2010
Displacement 1,648 in3
Compression Ratio 8.3:1
Aspiration Turbocharged-Aftercooled
Rotation (from flywheel end) Counterclockwise
Flywheel and Flywheel Housing SAE No. 14 or 18, Flywheel Housing SAE No. 0
Flywheel Teeth 136
Oil Change Interval 750 hours
Stroke 6 in
Bore 5 in
Weight - Dry 6,250 lb
Ignition, Protection Electronic ADEM A4
Air/Fuel Ratio Control Electronic ADEM A4
Minimum Rating 600 BHP
Maximum Rating 600 BHP
Emissions NSPS 2010
Displacement 1,648 in³
Compression Ratio 8.3:1
Aspiration Turbocharged-Aftercooled
Rotation from Flywheel End Counterclockwise
Flywheel and Flywheel Housing SAE No. 14 or 18, Flywheel Housing SAE No. 0
Flywheel Teeth 136
Oil Change Interval 750 hours
Stroke 6 in
Bore 5 in
Capacity for Liquids
Cooling System 20 gal
Lube Oil System (refill) 45 gal
Cooling System 20 gal (US)
Lube Oil System - Refill 45 gal (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 cat.com/oilandgas

  • Air Inlet System
    • Air cleaner — single element with service indicator
    • Optional air inlet adapter and rain cap — recommended for weather protection
  • Control System
    • ADEM A4
    • Class 1, Division 2, Group C&D and Zone 2
  • Cooling System
    • Jacket water thermostats and housing — full open temperature 98°C (208°F)
    • Jacket water pump — gear driven, centrifugal, non-self-priming
    • Aftercooler water pump — gear driven, centrifugal, non-self-priming
    • Aftercooler core — for treated water and sea air atmosphere
  • Exhaust System
    • Exhaust manifolds — watercooled
    • Exhaust elbow — dry 203 mm (8 in)
    • Three-way catalyst — 1.0 g NOx and 0.5 g NOx NTE options
  • Flywheels & Flywheel Housings
    • Flywheel, SAE No. 14 or 18
    • Flywheel housing, SAE No. 0
    • SAE standard rotation
  • Fuel System
    • Air/fuel ratio control
    • Gas pressure regulator
    • Natural gas carburetor
  • Lube System
    • Crankcase breather — top mounted
    • Oil cooler
    • Oil filter — RH
    • Oil filler in valve cover, dipstick — RH
  • Mounting System
    • Engine mounting rails — 254 mm (10 in) industrialtype, entire length
  • Protection System
    • ADEM A4 protection
    • The following include alarm and shutdown:
    • The following is display only
  • General
    • Paint, Caterpillar yellow
    • Crankshaft vibration damper and drive pulleys
    • Lifting eyes
    • Cylinder block inspection covers
  • Charging Alternator
    • 24V, 35A CSA alternator
  • Exhaust System
    • Exhaust flex fitting
    • Exhaust elbow
    • Exhaust flange — ANSI
  • Instrumentation
    • 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
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