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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® G3306 Industrial Gas Engine

Cat® G3306 Industrial Gas Engine. Ratings: 108-157 bkW (145-211 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 121 mm (4.75 in)
Stroke 152 mm (6.0 in)
Displacement 10.5 L (638 in³)
Aspiration Turbocharged Aftercooled (TA)
Engine Configuration Engine - Continuous

Power Rating

Minimum Power 108 bkW
Maximum Power 157 bkW
Frequency 1800 rpm

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

Weight, Net Dry 948 kg (2090 lb)
Height 1261 mm (50 in)
Width 978 mm (38 in)
Length 1539 mm (60 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
      •  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
                • Flywheels & Flywheel Housings
                  •  SAE No. 1 flywheel
                  •  SAE No. 1 flywheel housing
                  •  SAE standard rotation
                • Fuel System
                  •  Gas pressure regulator
                  •  Natural gas carburetor
                • Gas pressure regulator
                  • Natural gas carburetor
                    • Ignition System
                      •  Altronic V ignition system
                    • Instrumentation
                      •  Service meter
                    • Lube System
                      •  Crankcase breather — top mounted
                      •  Oil cooler
                      •  Oil filter
                      •  Oil pan — full sump
                      •  Oil filler and dipstick
                    • Crankcase breather — top mounted
                      • Oil cooler
                        • Oil filter
                          • Oil pan — full sump
                            • Oil filler and dipstick
                              • Mounting System
                                •  Engine supports
                              • Engine supports
                                • Protection System
                                  •  Shutoffs
                                • Shutoffs
                                  • General
                                    •  Paint — Cat yellow
                                    •  Crankshaft vibration damper and pulley
                                    •  Lifting eyes
                                  • Charging System
                                    •  Battery chargers
                                    •  Charging alternators
                                    •  Ammeter gauge
                                    •  Ammeter gauge and wiring
                                  • Control System
                                    •  PSG Woodward governor
                                    •  Vernier and positive locking control
                                  • Cooling System
                                    •  ATAAC conversion
                                    •  Aftercooler group
                                    •  Expansion tank
                                    •  Heat exchanger and expansion tank
                                    •  Radiator
                                    •  Blower fan for customer supplied radiators
                                    •  Suction fan for customer supplied radiators
                                    •  Fan drives for customer supplied radiators
                                    •  Fan adapter for customer supplied radiators
                                    •  Belt tightener
                                  • ATAAC conversion
                                    • Aftercooler group
                                      • Expansion tank
                                        • Heat exchanger and expansion tank
                                          • Radiator
                                            • Blower fan for customer supplied radiators
                                              • Suction fan for customer supplied radiators
                                                • Fan drives for customer supplied radiators
                                                  • Fan adapter for customer supplied radiators
                                                    • Belt tightener
                                                      • Exhaust System
                                                        •  Flexible fittings
                                                        •  Elbows
                                                        •  Flanges
                                                        •  Pipes
                                                        •  Rain caps
                                                        •  Mufflers
                                                      • Fuel System
                                                        •  Low pressure gas conversion
                                                        •  Fuel filter
                                                      • Ignition System
                                                        •  Altronic III
                                                        •  CSA shielded ignition
                                                        •  Wiring harness
                                                        •  Dual timing
                                                      • Altronic III
                                                        • CSA shielded ignition
                                                          • Wiring harness
                                                            • Dual timing
                                                              • Instrumentation
                                                                •  Gauges and instrument panels
                                                              • Lube System
                                                                •  Lubricating oil
                                                              • Mounting System
                                                                •  Vibration isolators
                                                              • Vibration isolators
                                                                • Power Take-Offs
                                                                  •  Auxiliary drive pulleys and auxiliary pump
                                                                  •  Enclosed clutch and clutch support
                                                                  •  Flywheel stub shaft
                                                                  •  Front stub shaft
                                                                • Protection System
                                                                  •  Mechanical shutoff
                                                                  •  Gas valves
                                                                • Starting System
                                                                  •  Air starting motor
                                                                  •  Air pressure regulator
                                                                  •  Air silencer
                                                                  •  Electric starting motors with start switch installed/shipped loose
                                                                  •  Starting aids
                                                                  •  Battery sets
                                                                • General
                                                                  •  Tool set
                                                                • Tool set
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