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Oil and Gas

CG137-8

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Gas Compression Engines
CG137-12

Overview

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 CG137-8 engines include gas lift, gas gathering, and wellhead gas compression. Cat CG137-8 gas engine. Ratings: 298 bkW (400 bhp) @ 1800 rpm are NSPS site compliant capable with customer-provided air-fuel ratio control and aftertreatment.

Engine Specifications

Units:
Minimum Rating 400.0 BHP 298.0 bkW Less
Maximum Rating 400.0 BHP 298.0 bkW Less
Emissions NSPS Site Compliant Capable NSPS Site Compliant Capable Less
Displacement 1099.0 in³ 18.0 l Less
Compression Ratio 10.25:1 10.25:1 Less
Aspiration Turbocharged-Aftercooled Turbocharged-Aftercooled Less
Rotation from Flywheel End Counterclockwise Counterclockwise Less
Flywheel and Flywheel Housing SAE No. 0 SAE No. 0 Less
Flywheel Teeth 136 136 Less
Weight - Dry 6250.0 lb 2835.0 kg Less
Oil Change Interval 750 hours 750 hours Less
Ignition, Protection Electronic ADEM A4 Electronic ADEM A4 Less
Air/Fuel Ratio Control Electronic ADEM A4 Electronic ADEM A4 Less
Stroke 6.0 in 152.0 mm Less
Bore 5.4 in 137.0 mm Less

Capacity for Liquids

Cooling System 14.5 gal (US) 55.0 l Less
Lube Oil System - Refill 39.0 gal (US) 148.0 l Less

Engine Design

- Tough and durable, with field-proven head design - When configured with customer-supplied air fuel ratio control and three-way catalyst, the engine is capable of meeting NSPS and non-attainment area emissions levels. - Integrated operator interface panel reduces hands-on time with the engine - Operator interface panel allows setup and servicing without a laptop - Runs on a broad range of fuels and speeds at any emissions level - Factory-installed components with single connection point eases packaging

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: • 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 PC-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 www.catoilandgasinfo.com.

CG137-8 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)

Flywheels & Flywheel Housings
  • Flywheel, SAE No. 14 or 18
  • Flywheel housing, SAE No. 0
  • SAE standard rotation

Fuel System
  • Gas pressure regulator
  • Natural gas carburetor

Lube System
  • Crankcase breather — top mounted
  • Oil cooler
  • Oil filter — RH
  • Oil filler in valve cover, dipstick — RH

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

CG137-8 Optional Equipment

Charging Alternator
  • 24V, 60A 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

Cat Connect: Get More from Every Asset

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