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G3408 Gas Compression Engines

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.

G3408

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The Catยฎ G3408 is built for reliable performance in the oil and gas range, backed by Al-Bahar's regional service and support network.

Maximum Rating
400 BHP
Rated Speed
1800 rpm
Emissions
Rich Burn: Standard Emissions for Export Only
Minimum Rating
255 BHP
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  • Specifications
  • Features
  • Standard Equipment

Specifications

Engine Specifications specifications
Maximum Rating 298 bkW
Rated Speed 1800 rpm
Emissions Rich Burn: Standard Emissions for Export Only
Minimum Rating 190 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
Displacement 18 l
Length 1738 mm
Oil Change Interval 750 hours
Width 1312 mm
Ignition, Protection Altronic III
Stroke 152 mm
Bore 137 mm
Height 1542 mm
Weight - Dry 2041 kg

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 Catยฎ 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 optionsSโ€ขOโ€ขSSM 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

Standard Equipment

Air Inlet System
  • Air cleaner โ€” single element with service indicator
Control System
  • Governor โ€” Woodward PSG mechanical
  • Governor control โ€” 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 โ€” top mounted
  • Oil cooler
  • Oil filter โ€” RH
  • Auxiliary oil reservoir
  • Rear sump oil pan
Mounting System
  • Engine supports
Protection System
  • Shutoffs
General
  • Paint โ€” Cat yellow
  • Crankshaft vibration damper and drive pulleys
  • Lifting eyes

Optional Equipment

Air Inlet System

  • Air cleaner โ€” 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

Exhaust System

  • Flexible fittings
  • Elbows
  • Flanges
  • Rain caps
  • Mufflers

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 โ€” 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

Protection System

  • Gas valves

Starting System

  • Air starting motor
  • Electric air start control
  • Air pressure regulator
  • Air silencer
  • Electric starting motor โ€” single 24-volt