Current Caterpillar Power-Systems Oil-Gas Gas Compression Engines

2025 Caterpillar Gas Compression Engines G3512J

2025 Caterpillar Gas Compression Engines G3512J

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  • Year 2025
  • Make Caterpillar
  • Model Gas Compression Engines
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Product Details Specifications Photos
2025 Caterpillar Gas Compression Engines G3512J

2025 Caterpillar Gas Compression Engines G3512J

  • Year 2025
  • Manufacturer Caterpillar
  • Model Name Gas Compression Engines
  • Trim Name G3512J
  • Generic Type (Primary) Gas
  • Engine Power Maximum Rating: 1035 BHP | Minimum Rating: 1035 BHP
  • Rated Engine Speed 1400 rpm
  • Bore 6.7 in
  • Stroke 7.5 in
  • Displacement 3173 in³
  • Aspiration Turbocharged - Aftercooled
  • Emissions Lean Burn: EPA NSPS Site Compliant Capable with Customer Supplied Aftertreatment, 0.5 g/bhp-hr NOx

2025 Caterpillar Gas Compression Engines G3512J

The line of G3500 engines brings versatility, uptime, and low operating cost to your gas compression operation. They are equipped with ADEM A3 technology that enables highest performance and safety while maintaining low emissions. Ideal applications for G3500 engines include gas lift, gas gathering, and wellhead gas compression. The Cat G3512J gas engines are rated at 772 bkW (1035 bhp) @ 1400 rpm and are NSPS site compliant capable with customer-provided air-fuel ratio control and aftertreatment.

Features may include:

Emissions

Meets U.S. EPA Spark Ignited Stationary NSPS Emissions for 2010

Lean Burn Engine Technology

Lean-burn engines operate with large amounts of excess air. The excess air absorbs heat during combustion reducing the combustion temperature and pressure, greatly reducing levels of NOx. Lean-burn design also provides longer component life and excellent fuel consumption.

Advanced Digital Engine Management

ADEM A3 control system providing integrated ignition, speed governing, protection, and controls, including detonation-sensitive variable ignition timing. ADEM A3 has improved: user interface, display system, shutdown controls, and system diagnostics.

Ease Of Operation

Side covers on block allow for inspection of internal components

Full Range Of Attachments

Large variety of factory-installed engine attachments reduces packaging time

Engine

Engine Power Maximum Rating: 1035 BHP | Minimum Rating: 1035 BHP
Rated Engine Speed 1400 rpm
Bore 6.7 in
Stroke 7.5 in
Displacement 3173 in³
Aspiration Turbocharged - Aftercooled
Emissions Lean Burn: EPA NSPS Site Compliant Capable with Customer Supplied Aftertreatment, 0.5 g/bhp-hr NOx

Drivetrain

Governor Electronic (ADEM A3)

Fuel System

Fuel Injection Combustion: Lean Burn

Operational

Operating Conditions Oil Change Interval: 2000 hours

Dimensions

Height Engine: 84.1 in
Length Engine: 120 in
Width Engine: 86.7 in

Capacities

Oil capacity Lube Oil System - Refill: 89 gal (US)

Weights

Dry Weight 15611 lb

Features

Features Rotation from Flywheel End: Counterclockwise | Combustion: Lean Burn | Flywheel Teeth: 183

Product Photography

Warning WARNING: Operating, servicing and maintaining a passenger vehicle, an off-highway motor vehicle or a recreational marine vessel can expose you to chemicals including engine exhaust, carbon monoxide, phthalates, and lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. To minimize exposure, avoid breathing exhaust, do not idle the engine except as necessary, service your vehicle or vessel in a well-ventilated area and wear gloves or wash your hands frequently when servicing your vehicle or vessel. For more information go to https://www.p65warnings.ca.gov/products/passenger-vehicle and https://www.p65warnings.ca.gov/products/marine.