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 637 BHP
Emissions NSPS Site Compliant Capable
Displacement 1649 in³
Minimum Rating 637 BHP
Aspiration Turbocharged-Aftercooled
Bore 5.4in
Compression Ratio 8.5:1
Displacement 1649in³
Emissions NSPS Site Compliant Capable
Flywheel Teeth 136
Flywheel and Flywheel Housing SAE No. 0
Ignition, Protection Cat EIS
Maximum Rating 637BHP
Minimum Rating 637BHP
Oil Change Interval 750 hours
Rotation from Flywheel End Counterclockwise
Stroke 6in
Weight - Dry 4720lb
Cooling System 14.5gal (US)
Lube Oil System - Refill 45gal (US)
Air cleaner — single element with service indicator
Electronic governor
Air/fuel ratio control on 1.0 g/bhp-hr NOx engines
Thermostats and housing
Jacket water pump
Aftercooler water pump
Aftercooler core
Watercooled exhaust manifolds
Dry exhaust elbow
SAE No. 0 flywheel
SAE No. 1 flywheel housing
SAE standard rotation
Gas pressure regulator (1.5 to 5 psi gas supply required)
Natural gas carburetor
Cat Electronic Ignition System (EIS) with detonationsensitive timing
Service meter
Crankcase breather — top mounted
Oil cooler
Oil filter — RH
Oil pan — deep sump
Oil filler — RH in valve cover and RH dipstick
Engine supports
Detonation sensitive timing control
Shutoff
Paint — Cat yellow
Crankshaft vibration damper and pulleys
Lifting eyes
Air cleaner — two-stage
Air inlet adapter
Precleaner
Air cleaner rain cap
Battery chargers
Charging alternators
Ammeter gauge
Ammeter gauge and wiring
Control mounting
Radiators
Blower fan and fan drives for customer suppliedradiators
Expansion tank
Heat exchangers
Flexible fittings
Elbows
Flanges
Rain caps
Mufflers
Dual gas regulator
Carburetor kits
Fuel filter
CSA ignition
Ignition ground wiring harness
Power supply
Alarm module
Gauges and instrument panels
Vibration isolators
Auxiliary drive pulleys
Enclosed clutch and clutch support
Front stub shaft
Flywheel stub shaft
Pulley removal
Gas valves
Status control box interconnect wiring harness
Air starting motor — electric air start control
Air pressure regulator
Air silencer
Electric starting motors — single 24-volt
Starting aids
Battery sets
Special paint
