G3512 Low Emissions Gas Compression Engine

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: 589-749 bkW (790-1004 bhp) @ 1200-1400 rpm are NSPS site compliant capable with customer-provided aftertreatment.

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Minimum Rating 790 BHP
Maximum Rating 1004 BHP
Emissions NSPS Site Compliant Capable
Ignition, Protection ADEM™ A3
Air/Fuel Ratio Control ADEM™ A3
Air Inlet System
  • Air cleaner — intermediate-duty with service indicator
Cooling System
  • High temperature circuit (engine jacket + oil cooler):
  • Low temperature circuit (aftercooler):
Exhaust System
  • Watercooled exhaust manifolds
  • Crankcase breather — top mounted
Flywheels & Flywheel Housings
  • SAE No. 00 flywheel
  • SAE No. 00 flywheel housing
  • SAE standard rotation
Fuel System
  • Gas pressure regulator
  • Natural gas carburetor
Instrumentation
  • Advisor panel
Lubrication System
  • Oil cooler
  • Oil filter — RH
  • Oil bypass filter (TA or NA engines only)
  • Oil pan — shallow
  • Oil sampling valve
  • Turbo oil accumulator
Mounting System
  • Rails, engine mounting — 254 mm (10 in.)
Protection System
  • Electronic shutoff system
  • Gas shutoff valve
General
  • Paint — Cat yellow
  • Vibration damper and guard — dual 484 mm (23 in.)
Air Inlet System
  • Remote air inlet adapters
  • Precleaners
Charging System
  • Battery chargers
  • Charging alternator
Cooling System
  • Cleanable aftercooler core
  • Connection flanges
  • Expansion and overflow tank
  • Water level switch gauge
Exhaust System
  • Flexible fittings
  • Elbows
  • Connection flanges
  • Exhaust expanders
  • Rain cap (NA engine only)
  • Mufflers
Fuel System
  • Low pressure gas conversions
  • Propane gas valve and jet kits
  • Fuel filter
  • Air/fuel ratio control
Instrumentation
  • PL1000 communications modules
Lubrication System
  • Oil bypass filter removal
  • Oil pan accessories
  • Sump pump
  • Air prelube pump
  • Manual prelube pump
  • Lubricating oil
Mounting System
  • Rails
  • Vibration isolators
Power Take-Offs
  • Front accessory drives
  • Auxiliary drive shafts and pulleys
  • Front stub shaft
  • Pulleys
Protection System
  • Crankcase explosion relief valves
Starting System
  • Air starting motor
  • Air pressure regulator
  • Air silencer
  • Electric air start controls
  • Electric starting motors — dual 24-volt
  • Battery sets (24-volt dry), cables, and rack
General
  • Flywheel guard removal
  • Engine barring group
  • Premium 8:1 pistons