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Gas Engines

  • Specification Summary

  • Bore121 mm (4.75 in)
  • Stroke152 mm (6.0 in)
  • Displacement10.5 L (638 in³)
  • AspirationTurbocharged Aftercooled (TA)
  • Engine ConfigurationEngine - Continuous
Cat® G3306 Industrial Gas Engine. Ratings: 108-157 bkW (145-211 bhp) @ 1800 rpm are NSPS site compliant capable with customer-supplied aftertreatment. Some ratings also have standard emission settings available for export only. For specific emission information, please consult your local Cat Dealer.

General

Bore 121 mm (4.75 in)
Stroke 152 mm (6.0 in)
Displacement 10.5 L (638 in³)
Aspiration Turbocharged Aftercooled (TA)
Engine Configuration Engine - Continuous

Power Rating

Minimum Power 108.0 bkW
Maximum Power 157.0 bkW
Frequency 1800 rpm

Engine Dimensions (Approximate. Final dimensions dependent on selected options)

Weight, Net Dry 948 kg (2090 lb)
Height 1261 mm (50 in)
Width 978 mm (38 in)
Length 1539 mm (60 in)

Air Inlet System

 Air cleaner

 Air cleaner rain cap

 Service indicator

Control System

 Hydra-mechanical governor

Hydra-mechanical governor

Cooling System

 Thermostats and housing

 Jacket water pump

 Aftercooler water pump

 Aftercooler core

Thermostats and housing

Jacket water pump

Aftercooler water pump

Aftercooler core

Exhaust System

 Watercooled exhaust manifolds

 Dry exhaust elbow

Flywheels & Flywheel Housings

 SAE No. 1 flywheel

 SAE No. 1 flywheel housing

 SAE standard rotation

Fuel System

 Gas pressure regulator

 Natural gas carburetor

Ignition System

 Altronic V ignition system

Instrumentation

 Service meter

Service meter

Lube System

 Crankcase breather — top mounted

 Oil cooler

 Oil filter

 Oil pan — full sump

 Oil filler and dipstick

Mounting System

 Engine supports

Protection System

 Shutoffs

Shutoffs

General

 Paint — Cat yellow

 Crankshaft vibration damper and pulley

 Lifting eyes

Paint — Cat yellow

Crankshaft vibration damper and pulley

Lifting eyes

Charging System

 Battery chargers

 Charging alternators

 Ammeter gauge

 Ammeter gauge and wiring

Control System

 PSG Woodward governor

 Vernier and positive locking control

PSG Woodward governor

Vernier and positive locking control

Cooling System

 ATAAC conversion

 Aftercooler group

 Expansion tank

 Heat exchanger and expansion tank

 Radiator

 Blower fan for customer supplied radiators

 Suction fan for customer supplied radiators

 Fan drives for customer supplied radiators

 Fan adapter for customer supplied radiators

 Belt tightener

ATAAC conversion

Aftercooler group

Expansion tank

Heat exchanger and expansion tank

Radiator

Blower fan for customer supplied radiators

Suction fan for customer supplied radiators

Fan drives for customer supplied radiators

Fan adapter for customer supplied radiators

Belt tightener

Exhaust System

 Flexible fittings

 Elbows

 Flanges

 Pipes

 Rain caps

 Mufflers

Fuel System

 Low pressure gas conversion

 Fuel filter

Ignition System

 Altronic III

 CSA shielded ignition

 Wiring harness

 Dual timing

Altronic III

CSA shielded ignition

Wiring harness

Dual timing

Instrumentation

 Gauges and instrument panels

Gauges and instrument panels

Lube System

 Lubricating oil

Mounting System

 Vibration isolators

Power Take-Offs

 Auxiliary drive pulleys and auxiliary pump

 Enclosed clutch and clutch support

 Flywheel stub shaft

 Front stub shaft

Auxiliary drive pulleys and auxiliary pump

Enclosed clutch and clutch support

Flywheel stub shaft

Front stub shaft

Protection System

 Mechanical shutoff

 Gas valves

Mechanical shutoff

Gas valves

Starting System

 Air starting motor

 Air pressure regulator

 Air silencer

 Electric starting motors with start switch installed/ shipped loose

 Starting aids

 Battery sets

General

 Tool set