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Caterpillar

G3612 A4 Gas Compression Engine

    G3600 ADEM™4 engines provide a wide range of power options to fit your gas compression application. G3600 ADEM™4 engines bring the highest uptime in the industry and long operating intervals between overhaul. Operators that use G3600 ADEM™4 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 G3600 ADEM™4 engines include centralized gathering stations, gas processing, transmissions, and storage applications. Cat G3612 ADEM™4 Gen 1 gas engine with standard ratings: 2796 bkW (3750 bhp) @ 1000 rpm and Cat G3612 ADEM™4 Gen 2 gas engine with standard ratings: 2796 bkW (3750 bhp) @ 1000 rpm and uprated ratings: 3076 bKW (4125 bhp) @ 1000 rpm. NSPS site compliant capable.​

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      G3612 Gas Engine
      G3612 Gas Engine

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      Features

      Emissions

      Lean Burn Engine Technology

      Ease of Operation

      Advanced Digital Engine Management

      Gas Engine Rating Pro

      Product Support Offered Through Global Cat Dealer

      Over 80 Years of Engine Manufacturing Experience

      Website

      Details

      Specifications

      Spec Value
      Maximum Rating 4125 BHP 3076 bkW
      Emissions NSPS Site Compliant Capable NSPS Site Compliant Capable
      Displacement 15528 in³ 254 l
      Minimum Rating 3750 BHP 2796 bkW
      Compression Ratio Gen 1 (9.2:1) Gen 2 (7:6:1) Gen 1 (9.2:1) Gen 2 (7:6:1)
      Aspiration Turbocharged-Aftercooled Turbocharged-Aftercooled
      Rotation from Flywheel End Counterclockwise Counterclockwise
      Flywheel Teeth 255 255
      Weight – Dry 58500 lb 26535 kg
      Oil Change Interval 5000 hours 5000 hours
      Ignition, Protection ADEM™4 ADEM™4
      Stroke 11.8 in 300 mm
      Bore 11.8 in 300 mm
      Spec Value
      Cooling System 194 gal (US) 734 l
      Lube Oil System – Refill 272 gal (US) 1030 l

      Standard Equipment

      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

      Cooling System

      • Jacket water pump
      • Jacket water thermostats and housing
      • Aftercooler pump
      • Aftercooler water thermostats and housing
      • Two-stage aftercooler

      Exhaust System

      • Dry wrapped exhaust manifolds
      • Vertical outlet adapter

      Flywheel & Flywheel Housing

      • 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 valve

      Mounting System

      • Engine mounting feet (six total)

      Protection System

      • Electronic shutoff system with purge cycle
      • Crankcase explosion relief valves
      • Gas shutoff valve

      Starting System

      • Air starting system

      General

      • Paint — Cat yellow
      • Vibration dampers

      Optional Equipment

      Air Inlet System

      • Heavy-duty air cleaner with precleaners and rain protection

      Charging System

      • 35 Amp & 65 Amp chargin alternators – CSA approved

      Exhaust System

      • Flexible bellows adapters
      • Exhaust expander
      • Weld flanges

      Fuel System

      • Fuel filter
      • Gas pressure regulator
      • Flexible connection
      • Low energy fuel system
      • Corrosive gas fuel system

      Instrumentation

      • Remote data monitoring and speed control
      • Compatible with Cat Electronic Technician (ET) and Data View
      • LCD display panel
      • Color HMI display
      • 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 six)

      Power Take-Offs

      • Front stub shafts

      Starting System

      • Air pressure reducing valve
      • Natural gas starting system

      General

      • Engine barring device
      • Damper guard

      Related Products

      G3606 A4 Gas Engine

      Gas Compression Engines

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