CG137-8

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.

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Engine Specifications
Minimum Rating298bkW
Maximum Rating298bkW
EmissionsNSPS Site Compliant Capable
Displacement18l
Compression Ratio10.25:1
AspirationTurbocharged-Aftercooled
Rotation from Flywheel EndCounterclockwise
Flywheel and Flywheel HousingSAE No. 0
Flywheel Teeth136
Weight - Dry2835kg
Oil Change Interval750 hours
Ignition, ProtectionElectronic ADEM A4
Air/Fuel Ratio ControlElectronic ADEM A4
Stroke152mm
Bore137mm
Capacity for Liquids
Cooling System55l
Lube Oil System - Refill148l
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
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 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 www.catoilandgasinfo.com.
Specifications
Engine Specifications
Minimum Rating298bkW
Maximum Rating298bkW
EmissionsNSPS Site Compliant Capable
Displacement18l
Compression Ratio10.25:1
AspirationTurbocharged-Aftercooled
Rotation from Flywheel EndCounterclockwise
Flywheel and Flywheel HousingSAE No. 0
Flywheel Teeth136
Weight - Dry2835kg
Oil Change Interval750 hours
Ignition, ProtectionElectronic ADEM A4
Air/Fuel Ratio ControlElectronic ADEM A4
Stroke152mm
Bore137mm
Capacity for Liquids
Cooling System55l
Lube Oil System - Refill148l
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
Benefits & Features
Engine Design
Advanced Digital Engine Management
Full Range of Attachments
Gas Engine Rating Pro (GERP)
Product Support Offered Through Global Cat Dealer
Over 80 Years of Engine Manufacturing Experience
Web Site
Documents & Links
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