336 Excavator

  • Specs Summary
  • Bore
    121 mm (4.75 in)
  • Stroke
    152 mm (6.0 in)
  • Displacement
    10.5 L (638 in³)
  • Minimum Power
    145 bhp (108 bkW)

Cat® G3306 Industrial Gas Engine

The Cat® G3306 Industrial Gas Engine is offered in ratings ranging from 108-157 bkW (145-211 bhp) @ 1800 rpm. These ratings 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 145 bhp (108 bkW)
  • Maximum Power 211 bhp (157 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)

Standard Equipment

Air Inlet System

  • Air cleaner
  • Air cleaner rain cap
  • Service indicator

Control System

  • Hydra-mechanical governor

Cooling System

  • 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

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

General

  • Paint — Cat yellow
  • Crankshaft vibration damper and pulley
  • Lifting eyes

Optional Equipment

Charging System

  • Battery chargers
  • Charging alternators
  • Ammeter gauge
  • Ammeter gauge and wiring

Control System

  • 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

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

Instrumentation

  • 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

Protection System

  • 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