G3406 Gas Compression Engine

Tough and durable, built on the industry-standard G3400 platform bring maximum uptime and low operating cost to your operation. G3406 engines meet the most demanding continuous duty gas compression applications with virtually no unscheduled downtime. Ideal applications for G3406 engines include gas lift, gas gathering, and wellhead gas compression. Cat G3406 gas engine. Ratings: 160-242 bkW (215-325 bhp) @ 1800 rpm are NSPS site compliant capable with customer-provided air-fuel ratio control and aftertreatment or available for non-regulated areas.

Maximum Rating
325BHP
Emissions
NSPS Site Compliant Capable
Displacement
891in³
Minimum Rating
215BHP
Compression Ratio
9.4:1
Aspiration
Naturally Aspirated or Turbocharged-Aftercooled
Rotation from Flywheel End
Counterclockwise
Flywheel and Flywheel Housing
SAE No. 1
Flywheel Teeth
113
Weight – Dry
3000lb
Oil Change Interval
750 hours
Ignition, Protection
Altronic III
Stroke
6in
Bore
5.4in
Cooling System
10gal (US)
Lube Oil System – Refill
20gal (US)
  • Air Inlet System
    • Air cleaner — heavy-duty
    • Air cleaner rain cap
    • Service indicator
  • Control System
    • Governor — Woodward PSG mechanical
    • Governor locking — positive control
  • 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. 1 flywheel
    • SAE No. 1 flywheel housing
    • SAE standard rotation
  • Fuel System
    • Gas pressure regulator
    • Natural gas carburetor
  • Ignition System
    • Altronic III ignition system
  • Instrumentation
    • Service meter
  • Lube System
    • Crankcase breather — top mounted
    • Oil cooler
    • Oil filter — RH
    • Auxiliary oil reservoir
    • Oil pan — full sump
    • Oil filler in valve cover, dipstick — RH
  • Mounting System
    • Engine supports
  • Protection System
    • Shutoffs
  • General
    • Paint — Cat yellow
    • Crankshaft vibration damper and drive pulleys
    • Lifting eyes
  • Air Inlet System
    • Precleaner
  • Charging System
    • Battery chargers
    • Charging alternators
    • Charging alternators f/u/w c customer supplied shutoffs
    • Ammeter gauge
    • Ammeter gauge and wiring
    • Control mounting
  • Control System
    • PSG Woodward governor
  • Cooling System
    • Radiators
    • Non-sparking blower fan
    • Blower fans for customer supplied radiators
    • Fan drives for customer supplied radiators
    • ATAAC conversion
    • Aftercooler
    • Expansion tank
    • Heat exchangers
  • Exhaust System
    • Flexible fittings
    • Elbow
    • Flange
    • Pipe
    • Rain cap
    • Muffler
  • Fuel System
    • Fuel filter
    • Natural gas valve and jet kits
  • Ignition System
    • CSA shielded ignition
    • Wiring harness
  • 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 and clutch support
    • Front stub shaft and flywheel stub shaft
  • Protection System
    • Gas valves
  • Starting System
    • Air starting motor
    • Electric air start control
    • Air pressure regulator
    • Air silencer
    • Electric starting motor— single 12- and 24-volt
    • Starting aids
    • Battery sets, cables, and rack
  • General
    • Damper guard




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* Offer valid from October 1, 2024 through December 31, 2024 on new 313 through 317 Cat® excavators sold by participating Cat dealers to customers in the USA or Canada. Purchase must occur during offer period. Offer subject to machine availability and credit approval by Cat Financial. Not all customers will qualify. Offer may change without prior notice and cannot be combined with any other offers. Additional terms and conditions may apply.

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*Offer valid from October 1, 2024 through December 31, 2024. Offer only available on select new Cat® machines listed in our Heavy Equipment Promotion page. Purchase must occur by December 31, 2024. Offer subject to machine availability. Offer is subject to credit approval by Caterpillar Financial Services Corporation for US customers, and Caterpillar Financial Services Limited for Canadian customers. Not all customers will qualify. The offered Cat Customer Value Agreement (CVA) includes 6 maintenance parts kits; S∙O∙SSM; and 36 month VisionLink® ConnectPro. The maintenance parts cover the first 3,000 hours^ (estimated 3 years) of machine utilization. Each kit contains one set of parts for regular planned maintenance under normal operating conditions. In some severe applications where maintenance parts need to be replaced more frequently, additional parts will be at customer’s expense. Offer excludes additional maintenance parts, dealer labor, wear parts, and fluids. Offer also includes a 36 month/5000 hour (whichever occurs first) Powertrain, Hydraulics and Technology Equipment Protection Plan (EPP). In some areas, EPP might be sold separately from the CVA. Offer may change without prior notice and cannot be combined with any other offers. Additional terms and conditions may apply. Contact your Cat dealer for details.

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