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.

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Minimum Rating 1035 BHP
Emissions NSPS Site Compliant Capable
Ignition, Protection ADEM™ A3
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
  • Paint — Cat yellow
  • Crankshaft vibration damper and guard
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