Gas Compression Engines

  • Specification Summary

  • Maximum Rating 447 bkW
  • Emissions NSPS 2010
  • Displacement 27 l
  • Minimum Rating 447 bkW
product-CG137-12 Gas Compression Engine
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.

Engine Specifications

Maximum Rating 447 bkW
Emissions NSPS 2010
Displacement 27 l
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
Weight - Dry 2835 kg
Oil Change Interval 750 hours
Ignition, Protection Electronic ADEM A4
Air/Fuel Ratio Control Electronic ADEM A4
Stroke 152.4 mm
Bore 137.2 mm

Capacity for Liquids

Cooling System 75 l
Lube Oil System - Refill 170 l

Air Inlet System

 Air cleaner — single element with service indicator

 Optional air inlet adapter and rain cap — recommended for weather protection

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

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

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

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

Fuel filter

Air Inlet System

 Precleaner

 Rain cap