CG137-12

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Overview

Production of oil and gas in the oilfield can be a challenge when utility power is not available. The Caterpillar product line of oilfield gas generator sets provides the ideal solutions for this challenge. Engines are designed to run on low to no-cost well site gas without sacrifice on performance. These generator sets allow customers to significantly reduce fuel cost and avoid the expense and logistics of diesel fuel deliveries. Plus, they are designed to withstand the harsh conditions in the oilfield and feature a heavy-duty construction ideal for loading and unloading operations.Cat generator sets are backed by the worldwide network of Cat dealers ready to support your operation with technical support, service, parts, and warranty.CG137-12 oilfield gas generator set. Rating: 400 ekW (500 kVA) @ 60 Hz (1800 rpm). Configurations available to meet NSPS emission standards in non-attainment areas.

Engine Specifications

Units:
Maximum Rating 400 ekW (500 kVA) 400 ekW (500 kVA) Less
Minimum rating 400 ekW (500 kVA) 400 ekW (500 kVA) Less
Emissions/fuel strategy NSPS NSPS Less
Aspiration Turbocharged-Aftercooled Turbocharged-Aftercooled Less
Manifold type Watercooled Watercooled Less
Bore 5.39 in 137.0 mm Less
Stroke 6.46 in 164.0 mm Less
Displacement 1770.0 in3 29.0 L Less
Engine control and protection ADEM A4 ADEM A4 Less
Generator set control EMCP 4.3 (4.4 optional) EMCP 4.3 (4.4 optional) Less
Generator SR4B SR4B Less
Frequency (Speed) 60 Hz (1800 rpm) 60 Hz (1800 rpm) Less

Capacity for Liquids

Fuel CNG, LNG, field gas, natural gas CNG, LNG, field gas, natural gas Less
Lube oil system (refill) 45.0 gal 170.0 L Less
Cooling system (engine) 15.0 gal 55.5 L Less

Dimensions

Length 230.0 in 5842.0 mm Less
Width 89.0 in 2261.0 mm Less
Height 102.3 in 2599.0 mm Less
Weight 19731.0 lb 8950.0 kg Less

Product Design

- Fuel flexibility enables operation on a wide range of gasquality — from wellhead gas to pipeline quality natural gas
- Engine ratings developed to accept low-quality gas downto Cat MN 30
- Oversized SR4B generator optimized for block load acceptance and motor starting applications
- Package design and fuel flexibility allow minimum sitepreparation and low installation cost
- Heavy-duty base with tow bars and forklift pockets idealfor loading, transport, and unloading operations
- Open-skid configuration designed to integrate drop-overenclosure
- 4-point lifting structure

Superior Performance

- Superior gas engine transient capability
• 50% G1 ISO 8528 load step
• 30% G2 ISO 8528 load step
- Heavy-duty split core cooling system with low power drawand high ambient capability

Emissions Compliance

- 0.5 g NSPS site compliance with stationary capability in non-attainment areas
- Included factory-installed air-fuel ratio control and three-waycatalyst

Durability

- Tough and durable, built specifically for conditions in the oilfield
- Rugged design optimized for harsh oilfield environments

Latest Electronics

- ADEM A4 control system provides integrated ignition,speed control, and protection
- Latest EMCP 4.3 controls for integrated engine-generatorcontrol, enhanced functionality, and simplified operatorinterface
- Optional EMCP 4.4 controls enable paralleling of up toeight units

Warranty

− Entire package covered under a one-year Caterpillarwarranty
− Warranty includes all components and content

Custom Packaging

For any petroleum application, trust Caterpillar to meet your project needs with custom factory generator sets and mechanical packages. Cat engines, generators, controls, radiators, and transmissions can be custom designed and matched in collaboration with our local dealers to create unique solutions. Custom packages are globally supported and are covered by a one year warranty after startup.

Product Support Offered Through the Global Cat Dealer Network

- More than 2,200 dealer outlets- Cat factory-trained dealer technicians service everyaspect of your Cat petroleum product- Worldwide parts availability, service, and warranty- Preventive maintenance agreements available for repairbefore-failure options- S•O•SSM program matches your oil and coolant samplesagainst 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

Ownership of these manufacturing processes enablesCaterpillar to produce high quality, dependable products.

Web Site

For all your petroleum power requirements, visit www.catoilandgasinfo.com.

CG137-12 Standard Equipment

Air Inlet System
  • Air cleaner — intermediate duty, dry
  • Air cleaner rain cap
  • Air cleaner service Indicator

Cooling System
  • High ambient radiator design for gas fuel applications
  • Stacked aftercooler and jacket water core
  • Metal top and bottom tanks
  • Coolant drain
  • Fan and belt guard
  • Coolant level sensor

Exhaust System
  • Exhaust manifolds — water cooled
  • Exhaust elbow and flex fitting — 127 mm (5 in)
  • Residential grade muffler
  • Three-way catalyst
  • Muffler mounting structure

Fuel System
  • Gas pressure regulator — requires 10.3-34.5 kPa (1.5-5 psi) gas
  • Natural gas carburetor
  • Air-fuel ratio control

Generator
  • Rated for continuous duty — 10% oversize
  • Class H insulation
  • Permanent magnet
  • Random wound
  • 240 VAC space heater
  • Coastal insulation protection
  • IP23 protection
  • Cat Digital Voltage Regulator

Control System
  • Electronic governing ADEM A4
  • Electronic diagnostics and fault logging
  • Momentary start/stop logic
  • High temperature braided engine harness with 70-pincustomer connector and service tool connector

Lube System
  • Crankcase breather, top-mounted
  • Oil filter, spin-on, left-hand service
  • Dipstick, left-hand service
  • Oil pump — gear-driven
  • Oil cooler

Mounting System
  • Heavy-duty welded steel base designed for the oilfield
  • Base design optimized for loading, transport, and unloading

Protection System
  • The following parameters include alarm and shutdown:

General
  • Jacket water heater
  • 24V starting motor
  • 24V, 45-amp charging alternator

CG137-12 Optional Equipment

Fuel System
  • 1 micron gas filter

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