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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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Maximum Rating
95BHP
Emissions
NSPS 2010
Displacement
427in³
Minimum Rating
95BHP
Compression Ratio
10.5:1
Aspiration
Naturally Aspirated
Rotation from Flywheel End
Counterclockwise
Flywheel and Flywheel Housing
SAE No. 1
Flywheel Teeth
156
Weight – Dry
2253.8lb
Oil Change Interval
750
Ignition, Protection
ADEM™ A4
Air/Fuel Ratio Control
ADEM™ A4
Stroke
6in
Bore
4.8in
Cooling System
4.23gal (US)
Lube Oil System – Refill
8.19gal (US)
  • 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*
  • Instrumentation
    • 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