New CAT Equipment

G3412C Low Emissions Gas Compression Engine

Tough and durable, built on the industry-standard G3400 platform bring maximum uptime and low operating cost to your operation. G3412C Low Emissions (LE) engines meet the most demanding continuous duty gas compression applications with virtually no unscheduled downtime.Ideal applications for G3412C (LE) engines include gas lift, gas gathering, and wellhead gas compression. Cat G3412C (LE) gas engine. Ratings: 475 bkW (637 bhp) @ 1800 rpm are NSPS site compliant capable with customer-provided aftertreatment.

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  • Capacity for Liquids
    Cooling System
    14.5 gal (US)
    Lube Oil System - Refill
    45 gal (US)
  • Engine Specifications
    Aspiration
    Turbocharged - Aftercooled
    Bore
    5.4 in
    Compression Ratio
    8.5:1
    Displacement
    1649 in³
    Emissions
    Rich Burn: EPA NSPS Site Compliant Capable with Caterpillar Supplied AFRC and Customer Supplied Aftertreatment
    Flywheel Teeth
    136
    Flywheel and Flywheel Housing
    SAE No. 0
    Height
    77 in
    Ignition, Protection
    Cat EIS
    Length
    96 in
    Maximum Rating
    637 BHP
    Minimum Rating
    637 BHP
    Oil Change Interval
    750 hours
    Rated Speed
    1800 rpm
    Rotation from Flywheel End
    Counterclockwise
    Stroke
    6 in
    Weight - Dry
    2800 lb
    Width
    63 in
Air Inlet System
  • Air cleaner — single element with service indicator
Control System
  • Electronic governor
  • Air/fuel ratio control on 1.0 g/bhp-hr NOx engines
Cooling System
  • Thermostats and housing
  • Jacket water pump
  • Aftercooler water pump
  • Aftercooler core
Exhaust System
  • Watercooled exhaust manifolds
  • Dry exhaust elbow
Flywheels & Flywheel Housings
  • SAE No. 0 flywheel
  • SAE No. 1 flywheel housing
  • SAE standard rotation
Fuel System
  • Gas pressure regulator (1.5 to 5 psi gas supply required)
  • Natural gas carburetor
Ignition System
  • Cat Electronic Ignition System (EIS) with detonationsensitive timing
Instrumentation
  • Service meter
Lube System
  • Crankcase breather — top mounted
  • Oil cooler
  • Oil filter — RH
  • Oil pan — deep sump
  • Oil filler — RH in valve cover and RH dipstick
Mounting System
  • Engine supports
Protection System
  • Detonation sensitive timing control
  • Shutoff
General
  • Paint — Cat yellow
  • Crankshaft vibration damper and pulleys
  • Lifting eyes
Air Inlet System
  • Air cleaner — two-stage
  • Air inlet adapter
  • Precleaner
  • Air cleaner rain cap
Charging System
  • Battery chargers
  • Charging alternators
  • Ammeter gauge
  • Ammeter gauge and wiring
  • Control mounting
Cooling System
  • Radiators
  • Blower fan and fan drives for customer suppliedradiators
  • Expansion tank
  • Heat exchangers
Exhaust System
  • Flexible fittings
  • Elbows
  • Flanges
  • Rain caps
  • Mufflers
Fuel System
  • Dual gas regulator
  • Carburetor kits
  • Fuel filter
Ignition System
  • CSA ignition
  • Ignition ground wiring harness
  • Power supply
Instrumentation
  • Alarm module
  • Gauges and instrument panels
Mounting System
  • Vibration isolators
Power Take-Offs
  • Auxiliary drive pulleys
  • Enclosed clutch and clutch support
  • Front stub shaft
  • Flywheel stub shaft
  • Pulley removal
Protection System
  • Gas valves
  • Status control box interconnect wiring harness
Starting System
  • Air starting motor — electric air start control
  • Air pressure regulator
  • Air silencer
  • Electric starting motors — single 24-volt
  • Starting aids
  • Battery sets
General
  • Special paint

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