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.
Maximum Rating 600 BHP
Emissions NSPS 2010
Displacement 1648 in³
Minimum Rating 600 BHP
Air/Fuel Ratio Control Electronic ADEM A4
Aspiration Turbocharged-Aftercooled
Bore 5.4in
Compression Ratio 8.3:1
Displacement 1648in³
Emissions NSPS 2010
Flywheel Teeth 136
Flywheel and Flywheel Housing SAE No. 14 or 18, Flywheel Housing SAE No. 0
Ignition, Protection Electronic ADEM A4
Maximum Rating 600BHP
Minimum Rating 600BHP
Oil Change Interval 750 hours
Rotation from Flywheel End Counterclockwise
Stroke 6in
Weight - Dry 6250lb
Cooling System 20gal (US)
Lube Oil System - Refill 45gal (US)
Air cleaner — single element with service indicator
Optional air inlet adapter and rain cap — recommended for weather protection
ADEM A4
Class 1, Division 2, Group C&D and Zone 2
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 manifolds — watercooled
Exhaust elbow — dry 203 mm (8 in)
Three-way catalyst — 1.0 g NOx and 0.5 g NOx NTE options
Flywheel, SAE No. 14 or 18
Flywheel housing, SAE No. 0
SAE standard rotation
Air/fuel ratio control
Gas pressure regulator
Natural gas carburetor
Crankcase breather — top mounted
Oil cooler
Oil filter — RH
Oil filler in valve cover, dipstick — RH
Engine mounting rails — 254 mm (10 in) industrialtype, entire length
ADEM A4 protection
The following include alarm and shutdown:
The following is display only
Paint, Caterpillar yellow
Crankshaft vibration damper and drive pulleys
Lifting eyes
Cylinder block inspection covers
24V, 35A CSA alternator
Exhaust flex fitting
Exhaust elbow
Exhaust flange — ANSI
Operator interface panel
Operator interface panel enclosure
15', 20', 50' interconnect harness
Air pressure regulator
Air start silencer
Vane starter
Electric starter
Turbine starter
Fuel filter
Precleaner
Rain cap
