G3520 NRM

Mobile Gas Solutions G3520

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Key Specs

Emissions/Fuel Strategy
U.S. EPA Large S.I. Tier 2 / Non-Road Mobile Certified
U.S. EPA Large S.I. Tier 2 / Non-Road Mobile Certified
Aspiration
Turbocharged
Turbocharged
Bore
6.7 in
170 mm

Overview

Production of oil and gas in remote oilfields 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 sacrificing 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.

Features At A Glance

Specifications Standard Equipment Optional Equipment

Product Specifications for G3520

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Emissions/Fuel Strategy U.S. EPA Large S.I. Tier 2 / Non-Road Mobile Certified U.S. EPA Large S.I. Tier 2 / Non-Road Mobile Certified
Aspiration Turbocharged Turbocharged
Bore 6.7 in 170 mm
Stroke 8.5 in 215 mm
Displacement 5956 in³ 97.6 l
Engine Control and Protection Electronic (ADEM 4) Electronic (ADEM 4)
Generator Set Control EMCP 4 Control Panels EMCP 4 Control Panels
Frequency - Speed 60 Hz 60 Hz
Fuel System Electronic Fuel Control Valve Electronic Fuel Control Valve
Compression Ratio 11.5:1 11.5:1
Length 336 in 8534 mm
Width 94 in 2386 mm
Height 128 in 3230 mm
Weight 48501 lb 22000 kg

G3520 Standard Equipment

Print

Air Inlet System

  • Two single-stage air-cleaners with differential pressure sensors

Control System

  • Remote mounted Electronic Modular Control Panel 4.3 (EMCP 4.3)

Cooling System

  • Aftercooler water pump, gear driven, centrifugal, non-self-priming, Thermostats and housing (full open temperature 98 C (208 F)).
  • Jacket water pump, gear driven, centrifugal, non-self-priming.
  • Jacket Water Outlet - Installed LH Flange Connection

Exhaust System

  • Flywheel; SAE No. 21
  • Flywheel housing; SAE No. 00
  • SAE standard rotation

Fuel System

  • Standard Pressure Gas Train, NFPA 37

General

  • Paint - Caterpillar Yellow except rails Gloss Black rails.

Generator

  • Generator - PM excited SR5 generator with space heater Form wound VPI copper RTDs and Caterpillar's Digital Voltage Regulator (CDVR).
  • No Extension Box.

Governing System

  • ADEM A4 speed governor with 4 to 20 ma (0V to 5V) speed input.

Ignition System

  • Adem IV (includes detonation sensitive timing)

Instrumentation

  • EMCP 4.3 provides power metering, protective relaying, enhanced engine monitoring and Modbus Communications as standard plus an 8-line graphical screen, additional I/O, and Ethernet (Modbus TCP).

Literature

  • Kit, Serialized Technical Media Includes Operation & Maintenance manual (in language of choice), Parts book on Compact Disc (English only) and other required technical documents. One group shipped free of charge with each engine. Any additional media or translations not included in the literature kit, should be ordered through the CSS Media Online Ordering Site

Lube System

  • Prelube Pump
  • Crankcase Breather
  • Oil Cooler
  • Simplex Oil Filter
  • Standard Oil Pan (Shallow)
  • Oil drain lines and valve
  • No Lubricating Oil

Mounting System

  • Base; engine-generator mounting

Starting System

  • Triple Electric Starter
  • 208V Single Jacket Water Heater

Protection System

  • Detonation shutdown

G3520 Optional Equipment

Print

Charging System

  • No Charging Alternator provided

Control System

  • Remote mounted Electronic Modular Control Panel 4.4 (EMCP 4.4)

See how G3520 compares against frequently compared products.

Oil and Gas
Selected
G3520
G3520
Emissions/Fuel Strategy
U.S. EPA Large S.I. Tier 2 / Non-Road Mobile Certified
U.S. EPA Large S.I. Tier 2 / Non-Road Mobile Certified
Aspiration
Turbocharged
Turbocharged
Bore
6.7 in
170 mm
Oil and Gas
CG137-12
CG137-12
Maximum Rating
400 ekW (500 kVA)
400 ekW (500 kVA)
Minimum Rating
400 ekW (500 kVA)
400 ekW (500 kVA)
Fuel
CNG, LNG, field gas, natural gas
CNG, LNG, field gas, natural gas
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