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Gas Engines

Cat® industrial engines are ready for your application. These engines deliver the unsurpassed reliability, durability, fuel efficiency, and low cost of ownership you have come to expect from Caterpillar. And our world-class product support will never let you down. All this adds up to a powerful advantage for you. Every Cat industrial diesel and gas engine comes with 75 years of engine experience. Our world-class product line of high-speed and medium-speed industrial engines in a wide range of applications offer power solutions for the most demanding installations and the harshest environments. With power options from 8.2 to 6,100 bkW (11 to 8,180 bhp), Cat industrial diesel and gas engines offer the widest power range in the industry.

Cat® G3412 Industrial Gas Engine

Cat® G3412 Industrial Gas Engine. Ratings: 448-475 bkW (600-637 bhp) @ 1800 rpm are NSPS site compliant capable with customer-supplied aftertreatment. Some ratings also have standard emission settings available for export only. For specific emission information, please consult your local Cat Dealer.

Product Details

General

Bore 137 mm (5.4 in)
Stroke 152 mm (6.0 in)
Displacement 27 L (1649³)
Aspiration Turbocharged Aftercooled (TA)
Engine Configuration Engine - Continuous

Power Rating

Minimum Power 448 bkW
Maximum Power 475 bkW
Frequency 1800 rpm

Engine Dimensions (Approximate. Final dimensions dependent on selected options)

Weight, Net Dry 2141 kg (4720 lb)
Height 1960 mm (77 in)
Width 1598 mm (63 in)
Length 2442 mm (96 in)
  • Air Inlet System
    •  Air cleaner — single element with service indicator
  • Control System
    •  Governor — Woodward PSG mechanica
    •  Governor control — positive locking
  • Cooling System
    •  Thermostats and housing
    •  Jacket water pump
    •  Aftercooler water pump
    •  Aftercooler core
  • 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
              • 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
                      • 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
                                  • Protection System
                                    •  Shutoff
                                  • General
                                    •  Paint — Cat yellow
                                    •  Crankshaft vibration damper and drive pulleys
                                    •  Lifting eyes
                                  • 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
                                                  • 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
                                                  • 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
                                                      • General
                                                        •  Tool set
                                                        •  Digital diagnostic tool
                                                      Built for it