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Caterpillar
CG137-8 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 CG137-8 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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Specifications
Engine Specifications
| Spec | Value |
|---|---|
| Maximum Rating | 400 BHP 298 bkW |
| Emissions | NSPS Site Compliant Capable NSPS Site Compliant Capable |
| Displacement | 1099 in³ 18 l |
| Minimum Rating | 400 BHP 298 bkW |
| Compression Ratio | 10.25:1 10.25:1 |
| Aspiration | Turbocharged-Aftercooled Turbocharged-Aftercooled |
| Rotation from Flywheel End | Counterclockwise Counterclockwise |
| Flywheel and Flywheel Housing | SAE No. 0 SAE No. 0 |
| Flywheel Teeth | 136 136 |
| Weight – Dry | 6250 lb 2835 kg |
| Oil Change Interval | 750 hours 750 hours |
| Ignition, Protection | Electronic ADEM A4 Electronic ADEM A4 |
| Air/Fuel Ratio Control | Electronic ADEM A4 Electronic ADEM A4 |
| Stroke | 6 in 152 mm |
| Bore | 5.4 in 137 mm |
Capacity for Liquids
| Spec | Value |
|---|---|
| Cooling System | 14.5 gal (US) 55 l |
| Lube Oil System – Refill | 39 gal (US) 148 l |
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
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
Related Products
Gas Compression Engines
CG137-12