CG137-8
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 Caterpillar or Customer supplied AFR controls and aftertreatment.
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 cat.com/oilandgas
Reliability
Field-proven cylinder head and core components are designed for continuous gas compression duty. Broad fuel capability and extended oil-change intervals help maximize uptime and reduce overhaul frequency.
Flexibility
NSPS site-compliant capable with Cat or customer supplied AFR controls & aftertreatment. A compact V8 layout and simplified connections reduce packaging complexity and help accelerate installation time.
Control
ADEM™ A4 electronic controls provide precise speed governing, air-fuel ratio management, and engine protection. Integrated operator interfaces and full-load factory testing help ensure reliable operation from startup.
| Maximum Rating | 400.0 BHP |
|---|---|
| Rated Speed | 1800 rpm |
| Emissions | Rich Burn: EPA NSPS Site Compliant Capable with Caterpillar or Customer Supplied AFR Controls and Aftertreatment |
| Minimum Rating | 400.0 BHP |
| Compression Ratio | 10.25:1 |
| Aspiration | Turbocharged - Aftercooled |
| Rotation from Flywheel End | Counterclockwise |
| Flywheel and Flywheel Housing | SAE No. 0 |
| Flywheel Teeth | 136 |
| Displacement | 1099.0 in³ |
| Oil Change Interval | 750 hours |
| Ignition, Protection | Electronic ADEM A4 |
| Air/Fuel Ratio Control | Electronic ADEM A4 |
| Stroke | 6.0 in |
| Bore | 5.4 in |
| Length | 64 in |
| Width | 56.8 in |
| Height | 69.2 in |
| Weight - Dry | 4850 lb |
| Cooling System | 14.5 gal (US) |
|---|---|
| Lube Oil System - Refill | 39.0 gal (US) |
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
Need installed dimensions with enclosure and tank? See Model Configurations
