G3508 LE

Gas Compression Engines G3508 LE

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Key Specs

Maximum Rating
670 BHP
500 bkW
Rated Speed
1400 rpm
1400 rpm
Emissions
With Customer supplied Aftertreatment, 2g/bhp-hr NOx
With Customer supplied Aftertreatment, 2g/bhp-hr NOx

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. Cat G3508 gas engine. Ratings: 391-500 bkW (524-670 bhp) @ 1200-1400 rpm are NSPS site compliant capable with customer-provided air-fuel ratio control and aftertreatment or available for non-regulated areas.

Features At A Glance

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Cat

Emissions

Meets U.S. EPA Spark Ignited Stationary NSPS Emissions for 2007/8
Cat

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.
Cat

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.
Cat

Ease of Operation

Side covers on block allow for inspection of internal components
Cat

Full Range of Attachments

Large variety of factory-installed engine attachments reduces packaging time
Cat

Testing

Every engine is full-load tested to ensure proper engine performance
Specifications Standard Equipment Optional Equipment

Product Specifications for G3508 LE

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Maximum Rating 670 BHP 500 bkW
Rated Speed 1400 rpm 1400 rpm
Emissions With Customer supplied Aftertreatment, 2g/bhp-hr NOx With Customer supplied Aftertreatment, 2g/bhp-hr NOx
Minimum Rating 524 BHP 391 bkW
Displacement 2105 in³ 34.5 l
Ignition, Protection ADEM™ A3 ADEM™ A3
Air/Fuel Ratio Control ADEM™ A3 ADEM™ A3
Length 96 in 2440 mm
Width 70 in 1768 mm
Height 76 in 1907 mm
Weight - Dry 11950 lb 5420 kg

G3508 LE Standard Equipment

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Air Inlet System

  • Remote air inlet adapters

Charging System

  • Battery chargers

Cooling System

  • Jacket water thermostats and housing — full open temperature 98°C (208°F)
  • Jacket water pump — gear driven, centrifugal, non-self-priming
  • Aftercooler water pump — gear driven, centrifugal, non-self-priming
  • Aftercooler core for sea-air atmosphere
  • Aftercooler thermostats and housing — full open temperature 35°C (95°F)
  • Aftercooler — raw water, cleanable

Exhaust System

  • Exhaust manifolds — watercooled

Flywheels & Flywheel Housings

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

Fuel System

  • Gas pressure regulator
  • Natural gas carburetor
  • Fuel gas shut-off valve (24V DC)

Instrumentation

  • Advisor panel
  • Advisor interconnect harness

Lubrication System

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

Mounting System

  • Rails, engine mounting

Power Take-Offs

  • Front housing — two-sided
  • Front lower LH accessory drive

Protection System

  • Electronic shutoff system
  • Gas shutoff valve

General

  • Paint — Cat yellow
  • Vibration damper and guard

G3508 LE Optional Equipment

Print

Air Inlet System

  • Remote air inlet adapters

Charging System

  • Battery chargers

Cooling System

  • Aftercooler core
  • Thermostatic valves
  • Connections
  • Expansion and overflow tank
  • Water level switch gauge

European Certifications

  • European Union certifications

Exhaust System

  • Flexible fittings
  • Elbows
  • Flanges
  • Flange and exhaust expanders
  • Mufflers

Fuel System

  • Fuel filter

Instrumentation

  • Customer communication modules

Lubrication System

  • Oil filters — duplex
  • Oil pan drain
  • Oil level regulator
  • Sump pumps
  • Lubricating oil

Mounting System

  • Rails
  • Vibration isolators

Power Take-Offs

  • Auxiliary drive shaft
  • Auxiliary drive pulleys
  • Front stub shaft
  • Pulleys

Protection System

  • Gas valve
  • Explosion relief valves

Starting System

  • Air pressure regulator
  • Air silencer
  • JW heaters
  • Battery sets (24-volt dry)
  • Battery accessories

General

  • Flywheel guard removal
  • Engine barring group
  • Premium 8:1 pistons

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Oil and Gas
Selected
G3508 LE
G3508 LE
Maximum Rating
670 BHP
500 bkW
Rated Speed
1400 rpm
1400 rpm
Emissions
With Customer supplied Aftertreatment, 2g/bhp-hr NOx
With Customer supplied Aftertreatment, 2g/bhp-hr NOx
Oil and Gas
G3508J
G3508J
Maximum Rating
690 BHP
514 bkW
Rated Speed
1400 rpm
1400 rpm
Emissions
Lean Burn: EPA NSPS Site Compliant Capable with Customer Supplied Aftertreatment, 0.5 g/bhp-hr NOx
Lean Burn: EPA NSPS Site Compliant Capable with Customer Supplied Aftertreatment, 0.5 g/bhp-hr NOx
View Details
Oil and Gas
G3412C
G3412C
Maximum Rating
637 BHP
475 bkW
Rated Speed
1800 rpm
1800 rpm
Emissions
Rich Burn: EPA NSPS Site Compliant Capable with Caterpillar Supplied AFRC and Customer Supplied Aftertreatment
Rich Burn: EPA NSPS Site Compliant Capable with Caterpillar Supplied AFRC and Customer Supplied Aftertreatment
View Details

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G3508 Gas Compression Engine

G3508 Gas Compression Engine

G3508 Gas Compression Engine

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