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Caterpillar
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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Details
Specifications
Engine Specifications
| Spec | Value |
|---|---|
| Maximum Rating | 637 BHP 475 bkW |
| Emissions | NSPS Site Compliant Capable NSPS Site Compliant Capable |
| Displacement | 1649 in³ 27 l |
| Minimum Rating | 637 BHP 475 bkW |
| Compression Ratio | 8.5:1 8.5:1 |
| Aspiration | Turbocharged-Aftercooled Turbocharged-Aftercooled |
| Rotation from Flywheel End | Counterclockwise Counterclockwise |
| Flywheel and Flywheel Housing | SAE No. 0 SAE No. 0 |
| Flywheel Teeth | 136 136 |
| Weight – Dry | 4720 lb 2141 kg |
| Oil Change Interval | 750 hours 750 hours |
| Ignition, Protection | Cat EIS Cat EIS |
| Stroke | 6 in 152 mm |
| Bore | 5.4 in 137 mm |
Capacity for Liquids
| Spec | Value |
|---|---|
| Cooling System | 14.5 gal (US) 54.9 l |
| Lube Oil System – Refill | 45 gal (US) 170.3 l |
Standard Equipment
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
Optional Equipment
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
Related Products
Gas Compression Engines
G3406
G3408
G3412
G3408C