New CAT Equipment

G3306B 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. G3306B engines meet the most demanding continuous duty gas compression applications with virtually no unscheduled downtime. Ideal applications for G3306B engines include gas lift, gas gathering, and wellhead gas compression. Cat G3306B gas engine. Ratings: 108-157 bkW (145-211 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
    5.25 gal (US)
    Lube Oil System - Refill
    11.9 gal (US)
  • Engine Specifications
    Air/Fuel Ratio Control
    ADEM A4
    Aspiration
    Naturally Aspirated or Turbocharged - Aftercooled
    Bore
    4.8 in
    Compression Ratio
    10.5:1
    Displacement
    638 in³
    Emissions
    Rich Burn: EPA NSPS Site Compliant Capable with Caterpillar or Customer Supplied AFRC & Aftertreatment
    Flywheel Teeth
    156
    Flywheel and Flywheel Housing
    SAE No. 1
    Height
    50 in
    Ignition, Protection
    ADEM A4
    Length
    60 in
    Maximum Rating
    211 BHP
    Minimum Rating
    145 BHP
    Oil Change Interval
    750 hours
    Rated Speed
    1800 rpm
    Rotation from Flywheel End
    Counterclockwise
    Stroke
    6 in
    Weight - Dry
    2090 lb
    Width
    38 in
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 NOx 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 10.3-34.5 kPa (1.5-5 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
  • Exhaust flange — ANSI flange
Guards
  • Fan guard
  • Damper guard
Ignition System
  • CSA certified electronics and ignition
Instrumentation
  • Operator interface panel
  • Operator interface panel enclosure
  • 15', 20' and 50' interconnect harness
Starting System
  • Air pressure regulator
  • Air start silencer
  • Vane starter
  • Electric starter
  • Turbine starter

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