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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 |
|---|---|
| Maximum Rating | 1725 BHP 1286 bkW |
| Emissions | With Customer Supplied Aftertreatment, .5 g/bhp-hr NOx With Customer Supplied Aftertreatment, .5 g/bhp-hr NOx |
| Minimum Rating | 1680 BHP 1253 bkW |
| Displacement | 5263 in³ 86 l |
| Aspiration | Turbocharged - 2 stage Aftercooled Turbocharged - 2 stage Aftercooled |
| Oil Change Interval | 2000 hours 2000 hours |
| Flywheel Teeth | 183 183 |
| Length | 162 in 4113 mm |
| Width | 74 in 1883 mm |
| Height | 93 in 2361 mm |
| Weight – Dry | 23776 lb 10785 kg |
| Bore | 6.7 in 170 mm |
| Rotation from Flywheel End | Counterclockwise Counterclockwise |
| Stroke | 7.5 in 190 mm |
| Combustion | Lean Burn Lean Burn |
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