G3616 A4 Gas Compression Engine

G3616 A4 Gas Compression 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 G3600 A4 engines include centralized gathering stations, gas processing, transmissions, and storage applications. Cat G3616 A4 Gen 1 gas engine with ratings: 3729-3990 bkW (5000-5350 bhp) @ 1000 rpm and Cat G3616 A4 Gen 2 gas engines with ratings 4101 bKW (5500 bhp) @ 1000 rpm. NSPS site compliant capable.

  • Maximum Rating 5500 BHP

  • Emissions NSPS Site Compliant Capable

  • Displacement 20698 in³

  • Minimum Rating 5000 BHP

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Product Specifications


Engine Specifications

  • Aspiration Turbocharged-Aftercooled

  • Bore 11.8in

  • Compression Ratio Gen 1 (9.2:1) Gen 2 (7:6:1)

  • Displacement 20698in³

  • Emissions NSPS Site Compliant Capable

  • Flywheel Teeth 255

  • Ignition, Protection Electronic, ADEM™4

  • Maximum Rating 5500BHP

  • Minimum Rating 5000BHP

  • Oil Change Interval 5000 hours

  • Rotation from Flywheel End Counterclockwise

  • Stroke 11.8in

  • Weight - Dry 72000lb

Capacity for Liquids

  • Cooling System 211gal (US)

  • Lube Oil System - Refill 351gal (US)



Standard Equipment

  • Air cleaner — standard duty

  • Inlet air adapter

  • A4 control system — provides electronic governing integrated with air/fuel ratio control and individual cylinder ignition timing control

  • Jacket water pump

  • Jacket water thermostats and housing

  • Aftercooler pump

  • Aftercooler water thermostats and housing

  • Single-stage aftercooler

  • Dry wrapped exhaust manifolds

  • Vertical outlet adapter

  • SAE standard rotation

  • Gas supply and and shut-off valves — electronically controlled fuel supply pressure

  • A4 control system — senses individual cylinder detonation and controls individual cylinder timing

  • LCD display panel — monitors engine parameters and displays diagnostic codes

  • Crankcase breathers — top mounted

  • Oil cooler

  • Oil filter

  • Oil pan drain valve

  • Engine mounting feet (six total)

  • Electronic shutoff system with purge cycle

  • Crankcase explosion relief valves

  • Gas shutoff valve

  • Air starting system

  • Paint — Cat yellow

  • Vibration dampers

Optional Equipment

  • Heavy-duty air cleaner with precleaners

  • 35 Amp & 65 Amp charging alternators – CSA approved

  • Flexible bellows adapters

  • Exhaust expander

  • Weld flanges

  • Fuel filter

  • Gas pressure regulator

  • Flexible connection

  • Flexible connection

  • 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

  • Air or electric motor-driven prelube

  • Duplex oil filter

  • Mounting plates (set of six)

  • Front stub shafts

  • Air pressure reducing valve

  • Natural gas starting system

  • Engine barring device

  • Damper guard