G3508B LE Gas Petroleum Engine Gas Compression Engines


Features At A Glance

Engine Design
Ultra Lean Burn Technology (ULB)
Advanced Digital Engine Management
Full Range of Attachments
Gas Engine Rating Pro
Product Support Offered Through Global Cat Dealer
Over 80 Years of Engine Manufacturing Experience
Web Site

Product Specifications for G3508B

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Engine Specifications

G3508B Standard Equipment

Air Inlet System

  • Axial Flow Air cleaner
  • Cleanable
  • Single element canister type with service indicator

Control System

  • ADEM A3 with integrated electronic throttle control
  • CSA certified

Cooling System

  • Two-stage charge air cooling
  • Thermostats and housing
  • Gear-driven jacket and aftercooler water pump
  • Stainless steel aftercooler cores

Exhaust System

  • Dry exhaust manifolds
  • Exhaust outlet: 200 mm I.D.

Flywheels and Flywheel Housings

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

Fuel System

  • 7-50 psi gas supply
  • Electronic fuel metering valve
  • Gas pressure regulator, pivot valve operated

Ignition System

  • ADEM A3
  • Outdoor CSA certified

Lubrication System

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

Power Take-Offs

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

Torsional Vibration Analysis

  • Provided through Caterpillar, required through Q1 2010


  • Paint — Cat yellow
  • Crankshaft vibration damper and guard

G3508B Optional Equipment

Air Inlet System

  • Round air inlet adaptors

Charging System

  • Battery chargers
  • CSA certified version available with

Cooling System

  • Mechanical joint assembly connections

Exhaust System

  • Flexible fittings
  • Elbows
  • Flanges

Fuel System

  • Gas filter


  • Advisor display panel
  • Communications module

Lubrication System

  • Lubricating oil
  • Oil bypass filter
  • Air prelube pump

Power Take-Offs

  • Front stub shaft
  • Pulleys


  • Special paint

EU Certification

  • EEC DOI certification


  • Factory commissioning

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