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CG137-12 Gas Compression Engines

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 operation. CG137 engines meet the most demanding continuous duty gas compression applications with virtually no unscheduled downtime. Ideal applications for CG137-12 engines include gas lift, gas gathering, and wellhead gas compression. Cat CG137-12 gas engine. Ratings: 447 bkW (600 bhp) @ 1800 rpm are NSPS site compliant capable with Caterpillar air-fuel ratio control and aftertreatment.

CG137-12

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The Cat® CG137-12 is built for reliable performance in the oil and gas range, backed by Al-Bahar's regional service and support network.

Maximum Rating
600 BHP
Rated Speed
1800 rpm
Emissions
Rich Burn: EPA NSPS Site Compliant Capable with Caterpillar Supplied AFRC and Customer Supplied Aftertreatment
Minimum Rating
600 BHP
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  • Specifications
  • Features
  • Standard Equipment

Specifications

Engine Specifications specifications
Maximum Rating 447 bkW
Rated Speed 1800 rpm
Emissions Rich Burn: EPA NSPS Site Compliant Capable with Caterpillar Supplied AFRC and Customer Supplied Aftertreatment
Minimum Rating 447 bkW
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
Length 2036.9 mm
Displacement 27 l
Oil Change Interval 750 hours
Width 1515.1 mm
Ignition, Protection Electronic ADEM A4
Air/Fuel Ratio Control Electronic ADEM A4
Stroke 152.4 mm
Bore 137.2 mm
Height 1701 mm
Weight - Dry 2835 kg

Features

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

Standard Equipment

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

Optional Equipment

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