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Gas Generator Sets

Caterpillar and your local Cat® Dealer are ready for all your power generation demands. From diesel and gas generator sets to uninterruptible power supplies, automatic transfer switches and electrical switchgear, our experienced worldwide dealer network can deliver the power systems and support you need.


  • Specification Summary

  • Maximum Continuous Rating485 ekW
  • Fuel TypeNatural Gas, Biogas
  • Maximum Electrical Efficiency37.3%
  • Maximum Standby Rating485
  • Frequency50/60Hz
  • Specification Sheet


Product Details

Gas Generator Sets Specification

Maximum Continuous Rating 485 ekW
Fuel Type Natural Gas, Biogas
Maximum Electrical Efficiency 37.3%
Maximum Standby Rating 485
Frequency 50/60Hz
rpm 1200/1500rpm

Engine Specification

Engine Model 3508A
Bore 170.0 mm
Stroke 190.0 mm
Displacement 33.0 L
Aspiration TA

Generator Set Dimension

Length 3821.0 mm
Width 1570.0 mm
Height 2012.0 mm
Dry weight genset 7393.0 kg
  • Air Inlet
    •  Package Mounted Air Cleaner with service indicator
  • Package Mounted Air Cleaner with service indicator
    • Control Panels
      •  EMCP II+
    • Cooling
      •  Single stage aftercooler with mechanical pump, thermostats
      •  Combined jacket water and oil cooler circuit with mechanical pump and thermostats
    • Exhaust
      •  Water cooled exhaust
      •  Individual exhaust port thermocouples
    • Water cooled exhaust
      • Individual exhaust port thermocouples
        • Fuel system
          •  Natural gas rated(31.5 to 47.2 MJ/NM3)
          •  High pressure fuel system
          •  High pressure gas pressure regulator
        • Generator
          •  SR4B
          •  Caterpillar's Digital Voltage Regulator (CDVR) with 3-phase sensing and KVAR/PF control
          •  Bus bar connections
          •  Anti-condensation space heater
          •  Permanent magnet excitation
          •  Form Would Stator with Coastal Insulation Protection
          •  Platium stator winding temperature detectors
        • SR4B
          • Caterpillar's Digital Voltage Regulator (CDVR) with 3-phase sensing and KVAR/PF control
            • Bus bar connections
              • Anti-condensation space heater
                • Permanent magnet excitation
                  • Form Would Stator with Coastal Insulation Protection
                    • Platium stator winding temperature detectors
                      • Starting/Charging
                        •  24V starting motors
                        •  Battery disconnect switch
                      • General
                        •  Paint - Caterpillar Yellow except rails and radiators gloss black
                        •  Crankshaft vibration damper and guard
                        •  Operation and maintenance manuals
                        •  Parts book
                      • Air Inlet
                        •  Air inlet adapters
                      • Air inlet adapters
                        • Control Panels
                          •  Local alarm module
                          •  Remote annuciator
                          •  Remote Communications Module (PL1000T, PL1000E)
                          •  Control panel removal
                        • Cooling
                          •  Raw water aftercooler
                          •  Cleanable aftercooler core
                        • Raw water aftercooler
                          • Cleanable aftercooler core
                            • Exhaust
                              •  Flange
                              •  Exhaust expander
                              •  Elbow
                              •  Flexible fitting
                            • Flange
                              • Exhaust expander
                                • Elbow
                                  • Flexible fitting
                                    • Fuel System
                                      •  Fuel filter
                                      •  Propane and associated gas fuel ratings
                                      •  Gas shutoff valve
                                    • Generator
                                      •  Low voltage extension box
                                      •  Cable access box
                                      •  Bearing temperature detectors
                                      •  European bus bar
                                      •  Generator air filter
                                      •  Space heater shutoff relay
                                    • Low voltage extension box
                                      • Cable access box
                                        • Bearing temperature detectors
                                          • European bus bar
                                            • Generator air filter
                                              • Space heater shutoff relay
                                                • Start/Charging
                                                  •  Battery charger
                                                  •  Oversized battery
                                                  •  Jacket water heater
                                                  •  Battery with cable and rack (shipped loose)
                                                  •  Dual starter
                                                • General
                                                  •  Crankcase explosion relief valve
                                                  •  Engine barring group
                                                  •  EEC D.O.I and other certifications

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