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G3520

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.
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      • U.S. EPA Large S.I. Tier 2 / Non-Road Mobile Certified
        Emissions/Fuel Strategy
      • Turbocharged
        Aspiration
      • More specifications

      Benefits & Features

      Cat® Natural Gas Engine

      U.S. EPA Large S.I. Tier 2* Certification / Non-Road Mobile Certified. Robust 20 cylinder high speed block design provides prolonged life and lower owning and operating costs.Designed for maximum performance on low pressure gaseous fuel supply

      Generator Set Package

      Conforms to ISO 8528-5 G2 load acceptance criteria. Reliability verified through torsional vibration, fuel consumption, oil consumption, transient performance, and endurance testing.

      Generators

      Superior motor starting capability minimizes need for oversizing generator. Designed to match performance and output characteristics of Cat engines.

      Cooling System

      Operational radiator available to operate in ambient temperatures up to 43°C (110°F). Package tested to ensure proper cooling of complete generator set.

      EMCP 4 Control Panels

      User-friendly interface and navigation. Scalable system to meet a wide range of installation requirements. Expansion modules and site specific programing for specific customer requirements.

      specifications

      Engine Specifications
      Emissions/Fuel Strategy U.S. EPA Large S.I. Tier 2 / Non-Road Mobile Certified
      Aspiration Turbocharged
      Bore 170.0 mm
      Stroke 215.0 mm
      Displacement 97.6 l
      Engine Control and Protection Electronic (ADEM 4)
      Generator Set Control EMCP 4 Control Panels
      Frequency - Speed 60 Hz
      Fuel System Electronic Fuel Control Valve
      Compression Ratio 11.5:1
      Dimensions
      Length 8534.0 mm
      Width 2386.0 mm
      Height 3230.0 mm
      Weight 22,000.0 kg

      Standard Equipment

      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

      Optional Equipment

      Charging System
      • No Charging Alternator provided
      Control System
      • Remote mounted Electronic Modular Control Panel 4.4 (EMCP 4.4)

      Download resources

      Product specifications, standard and optional equipment may vary depending on stock availability. For more information or to verify specific product details, please get in touch with one of our sales representatives.

      Related Products

      G3512

      • Emissions/Fuel Strategy
        U.S. EPA Tier 2 S.I. Non Road Mobile
      • Aspiration
        Turbocharged-2 stage after cooled
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      CG137-12

      • Minimum Rating
        400 ekW (500 kVA)
      • Maximum Rating
        400 ekW (500 kVA)
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