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.

Maximum Rating
637BHP
Emissions
NSPS Site Compliant Capable
Displacement
1649in³
Minimum Rating
637BHP
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
4720lb
Oil Change Interval
750 hours
Ignition, Protection
Cat EIS
Stroke
6in
Bore
5.4in
Cooling System
14.5gal (US)
Lube Oil System – Refill
45gal (US)
  • 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