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G3304B

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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      Benefits & Features

      Advanced Digital Engine Management

      The ADEM A4 system represents the next generation of engine management systems while reducing the number of mechanical components and easing troubleshooting. Features include: • Air/Fuel Ratio Control (AFRC) • Electronic ignition • Electronic governing/speed control • Start/stop logic • Engine protection & monitoring

      Full Range of Attachments

      Large variety of factory-installed engine attachments reduces packaging time

      Gas Engine Rating Pro (GERP)

      GERP is a web-based program designed to provide site performance capabilities for Cat® 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 outlets Cat factory-trained dealer technicians service every aspect of your petroleum engine Caterpillar parts and labor warranty. Preventive maintenance agreements available for repairbefore-failure options S•O•SSM program matches your oil and coolant samples against Catepillar set standards to determine: – Internal engine component condition – Presence of unwanted fluids – Presence of combustion by-products – Site-specific oil change interval

      Over 80 Years of Engine Manufacturing Experience

      Over 60 years of natural gas engine production Ownership of these manufacturing processes enables Caterpillar to produce high quality, dependable products. – Cast engine blocks, heads, cylinder liners, and flywheel housings – Machine critical components – Assemble complete engine

      Web Site

      For all your petroleum power requirements, visit www.cat.com/oilandgas.

      specifications

      Engine Specifications
      Maximum Rating 71.0 bkW
      Emissions NSPS 2010
      Displacement 7.0 l
      Minimum Rating 71.0 bkW
      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 1022.3 kg
      Oil Change Interval 750
      Ignition, Protection ADEM™ A4
      Air/Fuel Ratio Control ADEM™ A4
      Stroke 152.0 mm
      Bore 121.0 mm
      Capacity for Liquids
      Cooling System 16.0 l
      Lube Oil System - Refill 31.0 l
      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

      Product specifications, standard and optional equipment may vary depending on stock availability. For more information or to verify specific product details, please get in touch with one of our sales representatives.

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