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Caterpillar
G3520J Gas Compression Engine
The line of G3520J engines brings versatility, uptime, and low operating cost to your gas compression operation. They deliver the lowest engine-out emissions in the industry without sacrificing performance. Ideal applications for G3520J engines include primary gathering, central gathering, and gas processing plants.
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Details
Specifications
Engine Specifications
| Spec | Value |
|---|---|
| Emissions | U.S. EPA Spark Ignited Stationary NSPS emissions for 2010 U.S. EPA Spark Ignited Stationary NSPS emissions for 2010 |
| Minimum Rating | 1680 BHP 1253 bkW |
| Aspiration | Turbocharged- 2 stage after-cooled Turbocharged- 2 stage after-cooled |
| Bore | 6.7 in 170 mm |
| Rotation from Flywheel End | Counterclockwise Counterclockwise |
| Stroke | 7.5 in 190 mm |
| Combustion | Lean Burn Lean Burn |
| Oil Change Interval | 2000 hrs 2000 hrs |
Capacity for Liquids
| Spec | Value |
|---|---|
| Lube Oil System – Refill | 143 gal (US) 541 l |
Governor and Protection
| Spec | Value |
|---|---|
| Governor and Protection | Electronic (ADEM™ A3) Electronic (ADEM™ A3) |
Standard Equipment
Air Inlet System
- Axial Flow Air cleaner
- Single element canister type with service indicator
Cooling System
- Two-stage charge air cooling: First stage – JW + OC + 1st stage AC / Second stage – 2nd stage AC
- Engine Cooling and Charge Air Cooling Thermostats
Exhaust System
- Water-cooled exhaust elbows and manifolds
- Dry turbocharger housings
- Water-cooled exhaust elbow
Flywheels and Flywheel Housings
- SAE No. 21 flywheel
- SAE No. 00 flywheel housing
- SAE Counterclockwise rotation
Fuel System
- 7-40 psig gas supply
- Electronic fuel metering valve
- Gas pressure regulator
- Gas shutoff valve
Lubrication System
- Crankcase breather — top mounted
- Oil cooler
- Deep Sump Oil Pan
- Oil sampling valve
- Turbo oil accumulator
Optional Equipment
Air Inlet System
- Round air inlet adaptors
- Rain shield
Charging System
- CSA alternator (24V,65A)
Cooling System
- Jacket water inlet flange-hose connection
Exhaust System
- Flexible fittings
- Weld Flanges
- Elbow
Fuel System
- Fuel filter
Instrumentation
- Interconnect Harness
- 8 inch HMI Engine Control Panel
Lubrication System
- Lubricating oil
- Oil bypass filter
- Air prelube pump
- Oil pan drain
Starting System
- Air pressure regulator
- 90 psi starter
- 150 psi starter