CG137-12 Gas 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 CG137-12 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.

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Maximum Rating600BHP

EmissionsNSPS Site Compliant Capable with Caterpillar-supplied AFRC & Customer-provided Aftertreatment, 0.5% O2 Set Point

Minimum Rating600BHP

Compression Ratio8.3:1

AspirationTurbocharged - Aftercooled

Rotation from Flywheel EndCounterclockwise

Flywheel and Flywheel HousingSAE No. 14 or 18, Flywheel Housing SAE No. 0

Flywheel Teeth136

Length80.19in

Displacement1648in³

Width59.65in

Oil Change Interval750 hours

Ignition, ProtectionElectronic ADEM A4

Air/Fuel Ratio ControlElectronic ADEM A4

Stroke6in

Height66.97in

Bore5.4in

Weight - Dry6250lb

Cooling System20gal (US)

Lube Oil System - Refill45gal (US)

Standard

Air cleaner — single element with service indicator

Optional air inlet adapter and rain cap — recommended for weather protection

Optional

Precleaner

Rain cap

Standard

ADEM A4

Class 1, Division 2, Group C&D and Zone 2

Standard

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

Standard

Exhaust manifolds — watercooled

Exhaust elbow — dry 203 mm (8 in)

Three-way catalyst — 1.0 g NOx and 0.5 g NOx NTE options

Optional

Exhaust flex fitting

Exhaust elbow

Exhaust flange — ANSI

Standard

Flywheel, SAE No. 14 or 18

Flywheel housing, SAE No. 0

SAE standard rotation

Standard

Air/fuel ratio control

Gas pressure regulator

Natural gas carburetor

Optional

Fuel filter

Standard

Crankcase breather — top mounted

Oil cooler

Oil filter — RH

Oil filler in valve cover, dipstick — RH

Standard

Engine mounting rails — 254 mm (10 in) industrialtype, entire length

Standard

ADEM A4 protection

The following include alarm and shutdown:

The following is display only

Standard

Paint, Caterpillar yellow

Crankshaft vibration damper and drive pulleys

Lifting eyes

Cylinder block inspection covers

Optional

24V, 35A CSA alternator

Optional

Operator interface panel

Operator interface panel enclosure

15', 20', 50' interconnect harness

Optional

Air pressure regulator

Air start silencer

Vane starter

Electric starter

Turbine starter

CG137-12 Gas Engine