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Gas Compression Engines

G3412C Low Emissions Gas Compression Engine

Maximum Rating

637 BHP

Emissions

NSPS Site Compliant Capable

Displacement

1,649 in³

SPECIFICATIONS

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.

    Capacity for Liquids

    Cooling System

    14.5 gal (US)

    Lube Oil System - Refill

    45 gal (US)

    Engine Specifications

    Maximum Rating

    637 BHP

    Emissions

    NSPS Site Compliant Capable

    Displacement

    1,649 in³

    Minimum Rating

    637 BHP

    Compression Ratio

    8.5:1

    Aspiration

    Turbocharged-Aftercooled

    Rotation from Flywheel End

    Counterclockwise

    Flywheel and Flywheel Housing

    SAE No. 0

    Flywheel Teeth

    136

    Weight - Dry

    4,720 lb

    Oil Change Interval

    750 hours

    Ignition, Protection

    Cat EIS

    Stroke

    in

    Bore

    5.4 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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