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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® G3304 Industrial Gas Engine

Cat® G3304 Industrial Gas Engine. Rating: 71 bkW (95 bhp) @ 1800 rpm is 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 121 mm (4.75 in)
Stroke 152 mm (6.0 in)
Displacement 7.0 L (425 in³)
Aspiration Naturally Aspirated (NA)
Engine Configuration Engine - Continuous

Power Rating

Minimum Power 71.0 bkW
Maximum Power 71.0 bkW
Frequency 1800 rpm

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

Weight, Net Dry 757 kg (1670 lb)
Height 1170 mm (46 in)
Width 744 mm (29 in)
Length 1158 mm (46 in)
  • Air Inlet System
    •  Air cleaner
    •  Air cleaner rain cap
    •  Service indicator
  • Control System
    •  Hydra-mechanical governor
  • Hydra-mechanical governor
    • Cooling System
      •  Thermostats and housing
      •  Jacket water pump — gear-driven
    • Thermostats and housing
      • Jacket water pump — gear-driven
        • Exhaust System
          •  Watercooled exhaust manifolds
          •  Dry exhaust elbow
        • Watercooled exhaust manifolds
          • Dry exhaust elbow
            • Flywheel & Flywheel Housing
              •  SAE No. 1 flywheel
              •  SAE No. 1 flywheel housing
              •  SAE standard rotation
            • Fuel System
              •  Gas pressure regulator
              •  Natural gas carburetor
            • Ignition System
              •  Altronic V ignition system
            • Instrumentation
              •  Service meter
            • Lube System
              •  Crankcase breather — top mounted
              •  Oil cooler
              •  Oil pan — full sump
              •  Oil filler and dipstick
            • Crankcase breather — top mounted
              • Oil cooler
                • Oil pan — full sump
                  • Oil filler and dipstick
                    • Mounting System
                      •  Engine supports
                    • Protection System
                      •  Shutoffs
                    • Shutoffs
                      • General
                        •  Paint — Cat yellow
                        •  Crankshaft drive pulley
                        •  Lifting eyes
                      • Paint — Cat yellow
                        • Crankshaft drive pulley
                          • Lifting eyes
                            • Charging System
                              •  Battery chargers
                              •  Charging alternators
                              •  Ammeter gauge
                              •  Ammeter gauge and wiring
                            • Battery chargers
                              • Charging alternators
                                • Ammeter gauge
                                  • Ammeter gauge and wiring
                                    • Control System
                                      •  Vernier and positive locking control
                                    • Cooling System
                                      •  Expansion tank
                                      •  Heat exchanger/expansion tank
                                      •  Radiator
                                      •  Blower fan
                                      •  Suction fan
                                      •  Belt tightener
                                      •  Fan drive
                                    • Exhaust System
                                      •  Flexible fittings
                                      •  Elbows
                                      •  Flange
                                      •  Pipe
                                      •  Rain cap
                                      •  Mufflers
                                    • Ignition System
                                      •  Altronic III
                                      •  CSA shielded ignition
                                      •  Wiring harness
                                    • Instrumentation
                                      •  Gauges and instrument panels
                                    • Gauges and instrument panels
                                      • Lube System
                                        •  Lubricating oil
                                      • Lubricating oil
                                        • Mounting System
                                          •  Vibration isolators
                                        • Vibration isolators
                                          • Power Take-Offs
                                            •  Auxiliary drive pulleys
                                            •  Auxiliary pump
                                            •  Enclosed clutch
                                            •  Flywheel stub shaft
                                            •  Front stub shaft
                                          • Protection System
                                            •  Mechanical shutoffs
                                            •  Gas valves
                                          • Mechanical shutoffs
                                            • Gas valves
                                              • Starting System
                                                •  Air starting motor
                                                •  Air pressure regulator
                                                •  Air silencer
                                                •  Electric starting motor
                                                •  Battery sets
                                                •  Battery cables
                                                •  Battery rack
                                              • General
                                                •  Tool set
                                              Built for it