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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.

G3606 A4 Gas Engine

G3600 A4 engines provide a wide range of power options to fit your gas compression application. G3600 A4 engines bring the highest uptime in the industry and long operating intervals between overhaul. Operators that use G3600 A4 engines in their fleet enjoy virtually no unscheduled downtime, the right power for their application, the lowest operating costs, and emissions compliance. Ideal applications for G3500B engines include centralized gathering stations, gas processing, transmissions, and storage applications. Cat G3606A4 gas engine with ratings: 1398-1499 bkW (1875-2010 bhp) @ 1000 rpm are NSPS site compliant capable.

  • Specification Summary

  • Minimum Rating 1398 bkW
  • Maximum Rating 1499 bkW
  • Emissions NSPS Site Compliant Capable
  • Displacement 127.2 l
  • Specification Sheet


Product Details

Engine Specifications

Minimum Rating 1398 bkW
Maximum Rating 1499 bkW
Emissions NSPS Site Compliant Capable
Displacement 127.2 l
Compression Ratio 9.2:1
Aspiration Turbocharged-Aftercooled
Rotation from Flywheel End Counterclockwise
Flywheel Teeth 255
Weight - Dry 16730 kg
Oil Change Interval 5000 hours
Ignition, Protection Electronic (ADEM™ A4)
Stroke 300 mm
Bore 300 mm

Capacity for Liquids

Cooling System 470 l
Lube Oil System - Refill 708 l
  • Air Inlet System
    •  Air cleaner — standard-duty inlet air adapter
  • Control System
    •  A4 control system — provides electronic governing integrated with air/fuel ratio control and individual cylinder ignition timing control
    •  Electrical system and instrumentation certified for Class I, Division 2, Group D hazardous location. Includes entire ADEM A4 system and optional control panel.
  • Cooling System
    •  Jacket water pump
    •  Jacket water thermostats and housing
    •  Aftercooler/oil cooler pump
    •  Aftercooler/oil cooler thermostats and housing
    •  Two-stage aftercooler
    •  Jacket water heater connections
    •  Standard ANSI connections
  • Jacket water pump
    • Jacket water thermostats and housing
      • Aftercooler/oil cooler pump
        • Aftercooler/oil cooler thermostats and housing
          • Two-stage aftercooler
            • Jacket water heater connections
              • Standard ANSI connections
                • Exhaust System
                  •  Dry exhaust manifolds
                  •  Single vertical outlet adapter
                  •  Stainless steel encapsulated insulation
                • Flywheels and Flywheel Housing
                  •  SAE standard rotation
                • SAE standard rotation
                  • Fuel System
                    •  Gas admission valves -- electronically controlled fuel supply pressure
                  • Ignition System
                    •  A4 control system — senses individual cylinder detonation and controls individual cylinder timing
                  • Lube System
                    •  Crankcase breathers (top mounted)
                    •  Oil cooler
                    •  Oil filter
                    •  Oil pan drain valves -- front and rear
                  • Mounting System
                    •  Engine mounting feet (six total)
                  • Protection
                    •  Electronic shutoff system with purge cycle
                    •  Crankcase explosion relief valves
                    •  Gas shutoff valve
                  • Starting System
                    •  Air starting system
                  • General
                    •  Paint — Cat yellow
                    •  Vibration dampers
                  • Air Inlet System
                    •  Heavy-duty air cleaner with precleaners
                  • Charging System
                    •  35 Amp & 65 Amp charging alternators – CSA approved
                  • Exhaust System
                    •  Flexible bellows adapters
                    •  Exhaust expander
                    •  Weld flanges
                  • Fuel System
                    •  Fuel filter
                    •  Gas pressure regulator
                    •  Flexible connection
                  • Fuel filter
                    • Gas pressure regulator
                      • Flexible connection
                        • Instrumentation
                          •  LCD display panel
                          •  Remote data monitoring and speed control
                          •  Color HMI display
                          •  Compatible with Cat® Electronic Technician (ET) and Data View
                          •  Modbus and Ethernet capable
                        • Lube System
                          •  Air or electric motor-driven prelube
                          •  Duplex oil filter
                          •  RH Service
                          •  Lube oil makeup system
                        • Mounting System
                          •  Mounting plates (set of four)
                          •  Extra mounting feet (set of two)
                          •  Extra mounting plates (set of two)
                        • Power Take-Offs
                          •  Front stub shafts
                        • Starting System
                          •  Air pressure reducing valve
                        • Air pressure reducing valve
                          • General
                            •  Engine barring device
                            •  Damper guard
                          • Engine barring device
                            • Damper guard

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