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Gas Compression Engines

Oil and gas producers have relied on Caterpillar since the industry's earliest days. For 60 years, we've powered the petroleum business on land. Now we go with it onto the ocean, hundred of miles out, thousands of feet down.

G3412 Gas Compression Engine

Tough and durable, built on the industry-standard G3400 platform bring maximum uptime and low operating cost to your operation. G3412 engines meet the most demanding continuous duty gas compression applications with virtually no unscheduled downtime.Ideal applications for G3412 engines include gas lift, gas gathering, and wellhead gas compression. Cat G3412 gas engine. Ratings: 448 bkW (600 bhp) @ 1800 rpm are available for non-regulated areas.

Product Details

Engine Specifications

Minimum Rating 448 bkW
Maximum Rating 447 bkW
Emissions Non-regulated areas
Displacement 27 L
Compression Ratio 9.7:1
Aspiration Turbocharged-Aftercooled
Rotation (from flywheel end) Counterclockwise
Flywheel and Flywheel Housing SAE No. 0
Flywheel Teeth 136
Weight (dry) 2141 kg
Oil Change Interval 750 hours
Ignition, Protection Altronic III
Stroke 152 mm
Bore 137 mm

Capacity for Liquids

Cooling System 75.7 L
Lube Oil System (refill) 170.3 L
  • Air Inlet System
    •  Air cleaner — single element with service indicator
  • Control System
    •  Governor — Woodward PSG mechanica
    •  Governor control — positive locking
  • Governor — Woodward PSG mechanica
    • Governor control — positive locking
      • Cooling System
        •  Thermostats and housing
        •  Jacket water pump
        •  Aftercooler water pump
        •  Aftercooler core
      • Exhaust System
        •  Watercooled exhaust manifolds
        •  Dry exhaust elbow
      • Watercooled exhaust manifolds
        • Dry exhaust elbow
          • Flywheel & Flywheel Housing
            •  SAE No. 0 flywheel
            •  SAE No. 0 flywheel housing
            •  SAE standard rotation
          • Fuel System
            •  Gas pressure regulator
            •  Natural gas carburetor
          • Ignition System
            •  Digital ignition system
          • Digital ignition system
            • Instrumentation
              •  Service meter
            • Service meter
              • Lube System
                •  Crankcase breather — top mounted
                •  Oil cooler
                •  Oil filter — RH
                •  Auxiliary oil reservoir
                •  Rear sump oil pan
                •  Oil filler in valve cover and dipstick — RH
              • Crankcase breather — top mounted
                • Oil cooler
                  • Oil filter — RH
                    • Auxiliary oil reservoir
                      • Rear sump oil pan
                        • Oil filler in valve cover and dipstick — RH
                          • Mounting System
                            •  Engine supports
                          • Engine supports
                            • Protection System
                              •  Shutoff
                            • Shutoff
                              • General
                                •  Paint — Cat yellow
                                •  Crankshaft vibration damper and drive pulleys
                                •  Lifting eyes
                              • Air Inlet System
                                •  Air cleaner
                                •  Air inlet adapter
                                •  Precleaner
                                •  Air cleaner rain cap
                              • Charging System
                                •  Battery chargers
                                •  Charging alternators
                                •  Ammeter gauge
                                •  Ammeter gauge and wiring
                                •  Control mounting
                              • Battery chargers
                                • Charging alternators
                                  • Ammeter gauge
                                    • Ammeter gauge and wiring
                                      • Control mounting
                                        • Control System
                                          •  EG3P/2301A speed control governor
                                          •  PSG electric governor
                                          •  PSG pneumatic governor
                                        • EG3P/2301A speed control governor
                                          • PSG electric governor
                                            • PSG pneumatic governor
                                              • Cooling System
                                                •  Radiators
                                                •  Blower fan and fan drives for customer suppliedradiators
                                                •  ATAAC conversion
                                                •  Aftercooler
                                                •  Expansion tank
                                                •  Heat exchanger
                                              • Exhaust System
                                                •  Flexible fittings
                                                •  Elbows
                                                •  Flanges
                                                •  Rain caps
                                                •  Mufflers
                                              • Fuel System
                                                •  Dual gas regulator
                                                •  Low energy fuel carburetor
                                                •  Low pressure gas conversion
                                                •  Propane and natural gas valve and jet kits
                                                •  Fuel filter
                                              • Dual gas regulator
                                                • Low energy fuel carburetor
                                                  • Low pressure gas conversion
                                                    • Propane and natural gas valve and jet kits
                                                      • Fuel filter
                                                        • Ignition System
                                                          •  CSA ignition
                                                          •  Ignition ground wiring harness
                                                          •  Power supply — digital ignition system
                                                        • Instrumentation
                                                          •  Alarm module
                                                          •  Gauges and instrument panels
                                                        • Lube System
                                                          •  Auxiliary oil reservoir removal
                                                          •  Lubricating oil
                                                        • Mounting System
                                                          •  Vibration isolators
                                                        • Power Take-Offs
                                                          •  Auxiliary drive pulleys
                                                          •  Enclosed clutch
                                                          •  Clutch support
                                                          •  Front stub shaft
                                                          •  Flywheel stub shaft
                                                          •  Pulley removal
                                                        • Protection System
                                                          •  Gas valves
                                                          •  Status control box interconnect wiring harness
                                                        • 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 (24-volt dry), cables, and rack
                                                            • Air starting motor
                                                              • Electric air start control
                                                                • Air pressure regulator
                                                                  • Air silencer
                                                                    • Electric starting motors — single 24-volt
                                                                      • Starting aids
                                                                        • Battery sets (24-volt dry), cables, and rack
                                                                          • General
                                                                            •  Tool set
                                                                            •  Digital diagnostic tool
                                                                          Built for it