402

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.

  • Specifications

  • Standard/Optional Equipment

  • Catalog

Maximum Rating

600BHP

Rated Speed

1800rpm

Emissions

Rich Burn: EPA NSPS Site Compliant Capable with Caterpillar Supplied AFRC and Customer Supplied Aftertreatment

Minimum Rating

600BHP

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

Displacement

1648in³

Oil Change Interval

750 hours

Ignition, Protection

Electronic ADEM A4

Air/Fuel Ratio Control

Electronic ADEM A4

Stroke

6in

Bore

5.4in

Cooling System

20gal (US)

Lube Oil System - Refill

45gal (US)

Length

80.19in

Width

59.65in

Height

66.97in

Weight - Dry

6250lb

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

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

ALL

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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