G3306B

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Overview

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.

Engine Specifications

Units:
Minimum Rating 145.0 bhp 108.0 bkW Less
Maximum Rating 211.0 bhp 157.0 bkW Less
Emissions NSPS 2010 NSPS 2010 Less
Displacement 638.0 in3 10.5 L Less
Compression Ratio 10.5:1 10.5:1 Less
Aspiration Naturally Aspirated or Turbocharged-Aftercooled Naturally Aspirated or Turbocharged-Aftercooled Less
Rotation (from flywheel end) Counterclockwise Counterclockwise Less
Flywheel and Flywheel Housing SAE No. 1 SAE No. 1 Less
Flywheel Teeth 156 156 Less
Weight (dry) 2450.0 lb 1111.0 kg Less
Oil Change Interval 750 hours 750 hours Less
Ignition, Protection ADEM A4 ADEM A4 Less
Air/Fuel Ratio Control ADEM A4 ADEM A4 Less
Stroke 6.0 in 152.0 mm Less
Bore 4.8 in 121.0 mm Less

Capacity for Liquids

Cooling System 5.25 gal 20.0 L Less
Lube Oil System (refill) 11.9 gal 44.5 L Less

Engine Design

- Tough and durable, built on industry standard G3300 platform - Caterpillar supplied air/fuel ratio control and threeway catalyst designed specifically for this engine to provide superior emissions control with NSPS and NonAttainment zone compliance - 0.5 g and 1 g NOx settings available - Integrated operator interface panel, TWC and AFRC reduces hands-on time with the engine - Operator interface panel allows setup and servicing without a laptop - Runs on a broad range of fuels and speeds at any emissions level - Factory installed components with single connection point eases packaging

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 PC-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.catoilandgasinfo.com.

G3306B Standard Equipment

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

G3306B Optional Equipment

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

Cat® Dealer Service

Buy any piece of Cat® equipment and also get the full support and commitment of your local Cat Dealer.

Contact your local dealer
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