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G3408

Tough and durable, built on the industry-standard G3400 platform bring maximum uptime and low operating cost to your operation. G3408 engines meet the most demanding continuous duty gas compression applications with virtually no unscheduled downtime.Ideal applications for G3408 engines include gas lift, gas gathering, and wellhead gas compression. Cat G3408 gas engine. Ratings: 190-298 bkW (255-400 bhp) @ 1800 rpm are NSPS site compliant capable with customer-provided air-fuel ratio control and aftertreatment or available for non-regulated areas.

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      • 298.0 bkW
        Maximum Rating
      • NSPS Site Compliant Capable or non-regulated
        Emissions
      • More specifications

      Benefits & Features

      Engine Design

      – Improved reliability and durability – Ability to burn a wide spectrum of gaseous fuels – Robust diesel strength design prolongs life and lowers owning and operating costs- Broad operating speed range

      Full Range of Attachments

      Large variety of factory-installed engine attachments reduces packaging time

      Testing

      Every engine is full-load tested to ensure proper engine performance.

      Gas Engine Rating Pro

      GERP is a web-based program designed to provide site performance capabilities for Cat® natural gas engines for the gas compression industry. GERP provides engine data for your site’s altitude, ambient temperature, fuel, engine coolant heat rejection, performance data, installation drawings, spec sheets, and pump curves.

      Product Support Offered Through Global Cat Dealer

      More than 2,200 dealer outletsCat factory-trained dealer technicians service every aspect of your petroleum engineCat parts and labor warrantyPreventive maintenance agreements available for repairbefore-failure optionsS•O•SSM program matches your oil and coolant samples against Caterpillar set standards to determine:- Internal engine component condition- Presence of unwanted fluids- Presence of combustion by-products- Site-specific oil change interval

      Over 80 Years of Engine Manufacturing Experience

      Over 60 years of natural gas engine productionOwnership of these manufacturing processes enables Caterpillar to produce high quality, dependable products.- Cast engine blocks, heads, cylinder liners, and flywheel housings- Machine critical components- Assemble complete engine

      Web Site

      For all your petroleum power requirements, visit www.cat.com/oilandgas.

      specifications

      Engine Specifications
      Maximum Rating 298.0 bkW
      Emissions NSPS Site Compliant Capable or non-regulated
      Displacement 18.0 l
      Minimum Rating 190.0 bkW
      Compression Ratio 9.7:1
      Aspiration Naturally Aspirated or Turbocharged-Aftercooled
      Rotation from Flywheel End Counterclockwise
      Flywheel and Flywheel Housing SAE No. 0
      Flywheel Teeth 136
      Weight - Dry 1678.0 kg
      Oil Change Interval 750 hours
      Ignition, Protection Altronic III
      Stroke 152.0 mm
      Bore 137.0 mm
      Capacity for Liquids
      Cooling System 54.9 l
      Lube Oil System - Refill 46.2 l
      Air Inlet System
      • Air cleaner — single element with service indicator
      Control System
      • Governor — Woodward PSG mechanical
      • Governor control — positive locking
      Cooling System
      • Thermostats and housing
      • Jacket water pump
      • Aftercooler water pump
      • Aftercooler core
      Exhaust System
      • Watercooled exhaust manifolds
      • Dry exhaust elbow
      Flywheel & Flywheel Housing
      • SAE No. 0 flywheel
      • SAE No. 0 flywheel housing
      • SAE standard rotation
      Fuel System
      • Gas pressure regulator
      • Natural gas carburetor
      Ignition System
      • Digital ignition system
      Instrumentation
      • Service meter
      Lube System
      • Crankcase breather — top mounted
      • Oil cooler
      • Oil filter — RH
      • Auxiliary oil reservoir
      • Rear sump oil pan
      • Oil filler in valve cover and dipstick — RH
      Mounting System
      • Engine supports
      Protection System
      • Shutoffs
      General
      • Paint — Cat yellow
      • Crankshaft vibration damper and drive pulleys
      • Lifting eyes
      Air Inlet System
      • Air cleaner — dual element
      • Air inlet adapter
      • Precleaner
      • Air cleaner rain cap
      Charging System
      • Battery chargers
      • Charging alternators
      • Ammeter gauge
      • Ammeter gauge and wiring
      • Control mounting
      Control System
      • EG3P/2301A speed control governor
      • PSG electric governor
      • PSG pneumatic governor
      Cooling System
      • Radiators
      • Non-sparking blower fan
      • Blower fan and fan drives for customer suppliedradiators
      • ATAAC conversion
      • Aftercooler
      • Expansion tank
      • Heat exchanger
      Exhaust System
      • Flexible fittings
      • Elbows
      • Flanges
      • Rain caps
      • Mufflers
      • Exhaust manifold
      Fuel System
      • Dual gas regulator
      • Low energy fuel carburetor
      • Low pressure gas conversion
      • Propane and natural gas valve and jet kits
      • Fuel filter
      Ignition System
      • CSA ignition
      • Ignition ground wiring harness
      • Power supply — digital ignition system
      Instrumentation
      • Gauges and instrument panels
      Lube System
      • Auxiliary oil reservoir removal
      • Lubricating oil
      Mounting System
      • Vibration isolators
      Power Take-Offs
      • Auxiliary drive pulleys
      • Enclosed clutch
      • Clutch support
      • Front stub shaf
      • Flywheel stub shaft
      • Pulley removal
      Protection System
      • Gas valves
      Starting System
      • Air starting motor
      • Electric air start control
      • Air pressure regulator
      • Air silencer
      • Electric starting motor — single 24-volt
      • Starting aids
      • Battery sets (24-volt dry), cables, and rack

      Product specifications, standard and optional equipment may vary depending on stock availability. For more information or to verify specific product details, please get in touch with one of our sales representatives.

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