New CAT Equipment

G3304B Gas Compression Engine

Tough and durable, built on the industry-standard G3300 platform and equipped with technology that brings performance, uptime, and low operating cost to your operation. G3304B engines meet the most demanding continuous duty gas compression applications with virtually no unscheduled downtime. Ideal applications for G3304B engines include gas lift, gas gathering, and wellhead gas compression. Cat G3304B gas engine. Ratings: 71 bkW (95 bhp) @ 1800 rpm are NSPS site compliant capable with Caterpillar or customer-provided air-fuel ratio control and aftertreatment.

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    • Capacity for Liquids
      Cooling System
      4.23 gal (US)
      Lube Oil System - Refill
      8.19 gal (US)
    • Engine Specifications
      Air/Fuel Ratio Control
      ADEM A4
      Naturally Aspirated
      4.8 in
      Compression Ratio
      427 in³
      NSPS 2010
      Flywheel Teeth
      Flywheel and Flywheel Housing
      SAE No. 1
      Ignition, Protection
      ADEM A4
      Maximum Rating
      95 BHP
      Minimum Rating
      95 BHP
      Oil Change Interval
      Rotation from Flywheel End
      6 in
      Weight - Dry
      2253.8 lb
    Air Inlet System
    • Air cleaner — intermediate duty, dry
    • Air cleaner rain cap (shipped loose)
    • Service indicator
    Control System
    • ADEM A4
    Cooling System
    • Thermostats and housing — full open temperature 97°C (207°F)
    • Jacket water pump — gear-driven, centrifugal, non-self-priming
    Exhaust System
    • Exhaust manifolds — watercooled
    • Exhaust elbow — dry 102 mm (4 in)
    • Three-way catalyst — 1.0 g and 0.5 g NOx catalyst options
    Flywheels & Flywheel Housings
    • Flywheel, SAE No. 1
    • Flywheel housing, SAE No. 1
    • SAE standard rotation
    Fuel System
    • Air/fuel ratio control
    • Gas pressure regulator
    • Requires 10.3-68.9 kPa (1.5-10 psi) gas
    • Natural gas carburetor
    Ignition System
    • ADEM A4 ignition
    Lube System
    • Crankcase breather, top mounted
    • Oil cooler
    • Oil filter
    • Oil pan, full sump
    • Oil filler and dipstick
    Protection System
    • The following parameters include alarm and shutdown
    Charging Alternator
    • 24V, 35A alternator
    • 24V, 35A CSA alternator*
    Cooling System
    • Radiators
    • Jacket water pump inlet adapter
    Exhaust System
    • Exhaust flex fitting — ANSI flange
    • Exhaust elbow
    • Catalyst harness
    • ANSI flange
    Ignition System
    • CSA certified electronics and ignition*
    • Operator interface panel
    • Operator interface panel enclosure
    • 15', 25' and 50' interconnect harness
    Starting System
    • Air pressure regulator
    • Air start silencer
    • Vane starter
    • Electric starter
    • Turbine starter