Exterior View
Maximum Rating

4125 BHP

Rated Speed

1000 rpm

Emissions

Lean Burn: EPA NSPS Site Compliant Capable with Customer Supplied Aftertreatment, 0.3 g and 0.5 g/bhp-hr NOx

G3612 A4 Gas Compression Engine

ABOUT THE G3612 A4

G3600 ADEM™4 engines provide a wide range of power options to fit your gas compression application. G3600 ADEM™4 engines bring the highest uptime in the industry and long operating intervals between overhaul. Operators that use G3600 ADEM™4 engines in their fleet enjoy virtually no unscheduled downtime, the right power for their application, the lowest operating costs, and emissions compliance. Ideal applications for G3600 ADEM™4 engines include centralized gathering stations, gas processing, transmissions, and storage applications. Cat G3612 ADEM™4 Gen 1 gas engine with ratings: 2796 bkW (3750 bhp) @ 1000 rpm and Cat G3612 ADEM™4 Gen 2 gas engine with ratings: 2015 bKW (2750bhp) @ 1000 rpm. NSPS site compliant capable.​

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COMPARE THE G3612 A4 TO OTHER Oil-and-gas

Maximum Rating
4125BHP
Rated Speed
1000rpm
Emissions
Lean Burn: EPA NSPS Site Compliant Capable with Customer Supplied Aftertreatment, 0.3 g and 0.5 g/bhp-hr NOx
Minimum Rating
3750BHP
Compression Ratio
Gen 1 (9.2:1) Gen 2 (7:6:1)
Aspiration
Turbocharged-Aftercooled
Rotation from Flywheel End
Counterclockwise
Displacement
15528in³
Flywheel Teeth
255
Length
195.09in
Oil Change Interval
5000 hours
Ignition, Protection
ADEM™4
Stroke
11.8in
Width
102.28in
Bore
11.8in
Height
129.1in
Weight – Dry
58500lb
Cooling System
194gal (US)
Lube Oil System – Refill
272gal (US)
  • Air Inlet System
    • Air Cleaners
    • Air cleaner — standard duty Inlet air adapter
  • Control System
    • ADEM 4
  • Cooling System
    • ANSI Class 150 4 inch Flange (outlet water connection)
    • ANSI Class 150 6 inch Flange (Inlet Water connection)
    • Engine driven Water pump
    • Water Jacket Outlet Regulator 88° C
  • Engine Rating
    • Engine rating and speed selection
  • Exhaust System
    • Hard Heat Sheilded Exhaust Manifolds – SAE Standard
    • Vertical Exhaust Outlet
  • Flywheel & Flywheel Housing
    • Flywheel including ring gear for starting. SAE Standard
  • Flywheel And Flywheel Housing
    • Engine Barring Device
  • Fuel System
    • Fuel Filter
    • Gas Pressure Regulator
  • General
    • Paint
    • Wood Skid
  • Instrumentation
    • Basic HMI Engine Interface
  • Lube System
    • Breathers
    • Closed Crankcase Ventilation System
    • Front and Rear Oil Drains
    • Intermittent Prelube Pump
    • Oil Cooler
    • Oil Cooler
    • Oil Pan
    • Oil Supply line
  • Mounting System
    • Six Engine Mounting Feet
  • Power Take-offs
    • Damper and Damper Guard
  • Protection System
    • Crankcase Explosion Relief Valves
  • Starting System
    • Air Starting Motor
  • Telematics System
    • Cat Connect Technology
  • Cat Connect Technology
    • ANSI Class 150 2 inch Flange ( Customer Connect)
  • Charging System
    • Alternator
  • Control System
    • Software Development
  • Exhaust System
    • Flex EXH Fitting
  • Fuel System
    • Fuel Connections
  • Genereal
    • Language Decals
  • Lube System
    • Lubricating Oil
    • Oil Level Regulator
    • Air or electric motor-driven prelube
    • Duplex oil filter
    • RH service
    • Lube oil makeup system
  • Mounting System
    • Lifting Eye Exhaust Shield
    • Mounting Plates
    • Mounting plates (set of six)
  • Service
    • Service Tools
  • Telematics System
    • Cell – Satellite Radio
  • Telematics
    • Product Link Extension Harness
  • Instrumentation
    • LCD display panel
    • Color HMI display
    • Modbus and Ethernet capable
  • Power Take-offs
    • Front stub shafts
  • Starting System
    • Air pressure reducing valve
    • Natural gas starting system
  • General
    • Engine barring device
    • Damper guard




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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.

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*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.

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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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