G3512B Low Emissions Gas Compression Engine

The line of G3500B 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 G3500B engines include gas lift, gas gathering, and wellhead gas compression. Cat G3512B gas engine. Ratings: 772 bkW (1035 bhp) @ 1400 rpm are NSPS site compliant capable.

Engine Specifications

Minimum Rating 1035BHP
Emissions NSPS Site Compliant Capable
Ignition, Protection ADEM™ A3

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
  • General
    • Paint — Cat yellow
    • Crankshaft vibration damper and guard

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
  • Instrumentation
    • Advisor display panel
    • Communications module
  • Lubrication System
    • Lubricating oil
    • Oil bypass filter
    • Air prelube pump
  • Power Take-offs
    • Front stub shaft
    • Pulleys
  • General
    • Special paint
  • Eu Certification
    • EEC DOI certification
  • Support
    • Factory commissioning