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 CG137-12 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.
Specifications
| Minimum Rating | 600 BHP |
| Maximum Rating | 600 BHP |
| Emissions | NSPS 2010 |
| Minimum Rating | 447 bkW |
| Maximum Rating | 447 bkW |
| Emissions | NSPS 2010 |
Benefits & 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.
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Specifications
| Minimum Rating | 600 BHP |
| Maximum Rating | 600 BHP |
| Emissions | NSPS 2010 |
| Displacement | 1648 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 |
| Weight - Dry | 6250 lb |
| Oil Change Interval | 750 hours |
| Ignition, Protection | Electronic ADEM A4 |
| Air/Fuel Ratio Control | Electronic ADEM A4 |
| Stroke | 6 in |
| Bore | 5.4 in |
| Cooling System | 20 gal (US) |
| Lube Oil System - Refill | 45 gal (US) |
| Minimum Rating | 447 bkW |
| Maximum Rating | 447 bkW |
| Emissions | NSPS 2010 |
| Displacement | 27 l |
| 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 |
| Cooling System | 75 l |
| Lube Oil System - Refill | 170 l |
Benefits & 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
Web Site
For all your petroleum power requirements, visit cat.com/oilandgas
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
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