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Emissions/Fuel Strategy

U.S. EPA Large S.I. Tier 2 / Non-Road Mobile Certified

Aspiration

Turbocharged

Bore

6.7 in

G3520

ABOUT THE 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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Emissions/Fuel Strategy
U.S. EPA Large S.I. Tier 2 / Non-Road Mobile Certified
Aspiration
Turbocharged
Bore
6.7in
Stroke
8.5in
Displacement
5956in³
Engine Control and Protection
Electronic (ADEM 4)
Generator Set Control
EMCP 4 Control Panels
Frequency – Speed
60 Hz
Compression Ratio
11.5:1
Fuel System
Electronic Fuel Control Valve
Length
336in
Width
94in
Height
128in
Weight
48501lb
  • 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
  • Charging System
    • No Charging Alternator provided
  • Control System
    • Remote mounted Electronic Modular Control Panel 4.4 (EMCP 4.4)

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Terms and Conditions

Small Excavators Big Savings: Terms and Conditions

* Offer valid from October 1, 2024 through December 31, 2024 on new 313 through 317 Cat® excavators sold by participating Cat dealers to customers in the USA or Canada. Purchase must occur during offer period. Offer subject to machine availability and credit approval by Cat Financial. Not all customers will qualify. Offer may change without prior notice and cannot be combined with any other offers. Additional terms and conditions may apply.

The Great Payback: Terms and Conditions

*Offer valid from October 1, 2024 through December 31, 2024. Offer only available on select new Cat® machines listed in our Heavy Equipment Promotion page. Purchase must occur by December 31, 2024. Offer subject to machine availability. Offer is subject to credit approval by Caterpillar Financial Services Corporation for US customers, and Caterpillar Financial Services Limited for Canadian customers. Not all customers will qualify. The offered Cat Customer Value Agreement (CVA) includes 6 maintenance parts kits; S∙O∙SSM; and 36 month VisionLink® ConnectPro. The maintenance parts cover the first 3,000 hours^ (estimated 3 years) of machine utilization. Each kit contains one set of parts for regular planned maintenance under normal operating conditions. In some severe applications where maintenance parts need to be replaced more frequently, additional parts will be at customer’s expense. Offer excludes additional maintenance parts, dealer labor, wear parts, and fluids. Offer also includes a 36 month/5000 hour (whichever occurs first) Powertrain, Hydraulics and Technology Equipment Protection Plan (EPP). In some areas, EPP might be sold separately from the CVA. Offer may change without prior notice and cannot be combined with any other offers. Additional terms and conditions may apply. Contact your Cat dealer for details.

Compact Equipment Offer: Terms and Conditions

Financing provided by Caterpillar Financial.
*Offer valid from October 1, 2024 through December 31, 2024. Offer only available on purchases of new mini excavators, micro excavators, skid steer loaders, and compact track loaders sold by participating Cat dealers to customers in the USA or Canada. Purchases (both machine and CVA) and machine delivery must occur by December 31, 2024. Offer subject to machine availability. Offer is subject to credit approval by Caterpillar Financial Services Corporation for US customers, and Caterpillar Financial Services Limited for Canadian customers. Not all customers will qualify. The credit $500 USD for CVA purchase can only be applied toward the purchase of a qualifying Cat Customer Value Agreement (CVA). CVA must be at least 2yr/1000hr and must include 1-year Preventative Maintenance Parts Kit, TA1 annual Inspection, signed CVA contract, and Product LinkTM. Amount of CVA credit is the same for all models and cannot exceed the price of the qualifying CVA. Offer may change without prior notice and cannot be combined with any other offers. Additional terms and conditions may apply.

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