Cat® G3408 Industrial Gas Engine
Gas Engines
Gas Engines (9)
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Cat® G3520, G3520B Industrial Gas Engine
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Cat® G3512, G3512B Industrial Gas Engine
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Cat® G3516, G3516B Industrial Gas Engines
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Cat® G3412 Industrial Gas Engine
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Cat® G3508 Industrial Gas Engine
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Cat® G3406 Industrial Gas Engine
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Cat® G3408 Industrial Gas Engine
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Cat® G3304 Industrial Gas Engine
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Cat® G3306 Industrial Gas Engine
Overview
Cat® G3408 Industrial Gas Engine. Ratings: 190-317 bkW (255-425 bhp) @ 1800 rpm and 249 bkW (332 bhp) @ 1500 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.
- Emissions
- Engine Design
- Full Range of Attachments
- Quality
- World-class Product Support Offered Through Global Cat Dealer Network
Emissions
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 refer to the engine spec sheet.
Engine Design
- Improved reliability and durability
- Ability to burn a wide spectrum of gaseous fuels
- Robust diesel strength design prolongs life and lowers owning and operating costs
- Broad operating speed range
Full Range of Attachments
Large variety of factory-installed engine attachments reduces packaging time
Quality
Every Cat engine is manufactured to stringent quality standards in order to assure customer satisfaction.
World-class Product Support Offered Through Global Cat Dealer Network
- Scheduled maintenance, including S•O•SSM sample
- Customer Support Agreements (CSA)
- Caterpillar Extended Service Coverage (ESC)
- Superior dealer service network
- Extended dealer service network through the CatIndustrial Service Distributor (ISD) program
Emissions
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 refer to the engine spec sheet.
Engine Design
- Improved reliability and durability
- Ability to burn a wide spectrum of gaseous fuels
- Robust diesel strength design prolongs life and lowers owning and operating costs
- Broad operating speed range
Full Range of Attachments
Large variety of factory-installed engine attachments reduces packaging time
Quality
Every Cat engine is manufactured to stringent quality standards in order to assure customer satisfaction.
World-class Product Support Offered Through Global Cat Dealer Network
- Scheduled maintenance, including S•O•SSM sample
- Customer Support Agreements (CSA)
- Caterpillar Extended Service Coverage (ESC)
- Superior dealer service network
- Extended dealer service network through the CatIndustrial Service Distributor (ISD) program
General
- Bore
- 137 mm (5.4 in)
- Stroke
- 152 mm (6.0 in)
- Displacement
- 18 L (1099 in³)
- Aspiration
- Naturally Aspirated (NA), Turbocharged Aftercooled (TA)
- Engine Configuration
- Engine - Continuous
- Bore
- 137 mm (5.4 in)
- Stroke
- 152 mm (6.0 in)
- Displacement
- 18 L (1099 in³)
- Aspiration
- Naturally Aspirated (NA), Turbocharged Aftercooled (TA)
- Engine Configuration
- Engine - Continuous
Power Rating
- Minimum Power
- 255.0bhp
- Maximum Power
- 425.0bhp
- Frequency
- 1500 & 1800 rpm
- Minimum Power
- 255HP
- Maximum Power
- 425HP
Engine Dimensions (Approximate. Final dimensions dependent on selected options)
- Height
- 1758 mm (69.2 in)
- Width
- 1563 mm (61.5 in)
- Length
- 1756 mm (69.1 in)
Engine Dimensions - Approximate
- Weight - Net Dry
- 2245 kg (4950 lb)
- Width
- 1563 mm (61.5 in)
- Height
- 1758 mm (69.2 in)
- Length
- 1756 mm (69.1 in)
Standard/Optional Features
Standard Equipment:
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- Air Inlet System
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- Air cleaner — single element with service indicator
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- Control System
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- Governor — Woodward PSG mechanical
- Governor control — positive locking
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- Cooling System
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- Thermostats and housing
- Jacket water pump
- Aftercooler water pump
- Aftercooler core
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- Exhaust System
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- Watercooled exhaust manifolds
- Dry exhaust elbow
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- Flywheel & Flywheel Housing
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- SAE No. 0 flywheel
- SAE No. 0 flywheel housing
- SAE standard rotation
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- Fuel System
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- Gas pressure regulator
- Natural gas carburetor
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- Ignition System
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- Digital ignition system
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- Instrumentation
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- Service meter
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- Lube System
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- Crankcase breather — top mounted
- Oil cooler
- Oil filter — RH
- Auxiliary oil reservoir
- Rear sump oil pan
- Oil filler in valve cover and dipstick — RH
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- Mounting System
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- Engine supports
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- Protection System
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- Shutoffs
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- General
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- Paint — Cat yellow
- Crankshaft vibration damper and drive pulleys
- Lifting eyes
Optional Equipment:
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- Air Inlet System
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- Air cleaner — dual element
- Air inlet adapter
- Precleaner
- Air cleaner rain cap
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- Charging System
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- Battery chargers
- Charging alternators
- Ammeter gauge
- Ammeter gauge and wiring
- Control mounting
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- Control System
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- EG3P/2301A speed control governor
- PSG electric governor
- PSG pneumatic governor
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- Cooling System
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- Radiators
- Non-sparking blower fan
- Blower fan and fan drives for customer suppliedradiators
- ATAAC conversion
- Aftercooler
- Expansion tank
- Heat exchanger
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- Exhaust System
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- Flexible fittings
- Elbows
- Flanges
- Rain caps
- Mufflers
- Exhaust manifold
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- Fuel System
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- Dual gas regulator
- Low energy fuel carburetor
- Low pressure gas conversion
- Propane and natural gas valve and jet kits
- Fuel filter
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- Ignition System
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- CSA ignition
- Ignition ground wiring harness
- Power supply — digital ignition system
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- Instrumentation
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- Gauges and instrument panels
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- Lube System
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- Auxiliary oil reservoir removal
- Lubricating oil
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- Mounting System
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- Vibration isolators
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- Power Take-offs
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- Auxiliary drive pulleys
- Enclosed clutch
- Clutch support
- Front stub shaf
- Flywheel stub shaft
- Pulley removal
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- Protection System
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- Gas valves
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- Starting System
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- Air starting motor
- Electric air start control
- Air pressure regulator
- Air silencer
- Electric starting motor — single 24-volt
- Starting aids
- Battery sets (24-volt dry), cables, and rack