G3508J Gas Engine

Gas Compression Engines G3508J

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Key Specs

Maximum Rating
1380 BHP
1029 bkW
Emissions
U.S. EPA Spark Ignited Stationary NSPS emissions
U.S. EPA Spark Ignited Stationary NSPS emissions
Displacement
4211 in³
69 l

Overview

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 G3508J gas engines are rated at 515 bkW (690 bhp) @ 1400 rpm and are NSPS site compliant capable with customer-provided air-fuel ratio control and aftertreatment.

Product Specifications for G3508J

Maximum Rating 1380 BHP 1029 bkW
Emissions U.S. EPA Spark Ignited Stationary NSPS emissions U.S. EPA Spark Ignited Stationary NSPS emissions
Displacement 4211 in³ 69 l
Minimum Rating 1380 BHP 1029 bkW
Aspiration Turbocharged-2 Stage aftercooled Turbocharged-2 Stage aftercooled
Oil Change Interval 2000 hrs 2000 hrs
Stroke 7.5 in 190 mm
Bore 6.7 in 170 mm
Governor Electronic (ADEM A3) Electronic (ADEM A3)
Combustion Lean Burn Lean Burn
Lube Oil System 423 L (112 gal) 423 L (112 gal)
Flywheel and Flywheel Housing SAE No. 00 SAE No. 00
Flywheel Teeth 183 183
Rotation from Flywheel End Counterclockwise Counterclockwise
Flywheel Teeth 183 183

G3508J Standard Equipment

Air Inlet System

  • Axial flow air cleaners
  • Single element canister type with service indicator

Cooling System

  • Two-stage charge air cooling system
  • Engine cooling and charge air cooling thermostats

Exhaust System

  • Watercooled exhaust manifolds
  • Dry Turbocharger housings
  • Water-cooled exhaust elbow

Flywheels & Flywheel Housings

  • SAE No. 00 flywheel housing
  • SAE standard rotation
  • SAE No. 21 Flywheel

Fuel System

  • 7-40 psig gas supply
  • Electronic fuel metering valve
  • Gas pressure regulator
  • Gas shutoff valve
  • Fuel System

Instrumentation

  • Remote-mounted Advisor control panel
  • Interconnect harness

Lubrication System

  • Crankcase breather — top mounted
  • Oil cooler
  • Oil filter — RH
  • Oil pan — shallow
  • Oil sampling valve
  • Turbo oil accumulator

Mounting System

  • Rails

Protection System

  • Electronic shutoff system
  • Gas shutoff valve

General

  • Paint — Cat yellow
  • Crankshaft vibration damper and guard

Power Take Offs

  • Front lower LH accessory drive
  • Front housing, two sided

G3508J Optional Equipment

Air Inlet System

  • Remote air inlet adapters
  • Rain Shield

Charging System

  • CSA Alternator (24V, 65A)

Exhaust System

  • Flexible fittings
  • Elbows
  • Flange
  • Mufflers

Fuel System

  • Fuel filter

Lubrication System

  • Oil bypass filter
  • Deep sump oil pan
  • Air prelube pump
  • Lubricating oil
  • Oil pan drain

Power Take-Offs

  • Front stub shaft

Protection System

  • Explosion relief valves, status control box interconnect wiring harness

Starting System

  • 90 psi starter
  • 150 psi starter

EU Certification

  • EEC DOI certification

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