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.
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General
- Bore
- 137 mm (5.4 in)
- Stroke
- 152 mm (6.0 in)
- Displacement
- 18 L (1099 in³)
- Engine Configuration
- Engine - Continuous
- Aspiration
- Naturally Aspirated (NA), Turbocharged Aftercooled (TA)
Power Rating
- Minimum Power
- 255HP
- Maximum Power
- 425HP
- Frequency
- 1500 & 1800 rpm
Engine Dimensions - Approximate
- Weight - Net Dry
- 2245 kg (4950 lb)
- Length
- 1756 mm (69.1 in)
- Height
- 1758 mm (69.2 in)
- Width
- 1563 mm (61.5 in)
Standard Equipment:
-
- Air Inlet System
-
- Air cleaner — single element with service indicator
-
- Control System
-
- Governor — Woodward PSG mechanical
- Governor control — positive locking
-
- Cooling System
-
- Thermostats and housing
- Jacket water pump
- Aftercooler water pump
- Aftercooler core
-
- Exhaust System
-
- Watercooled exhaust manifolds
- Dry exhaust elbow
-
- Flywheel & Flywheel Housing
-
- SAE No. 0 flywheel
- SAE No. 0 flywheel housing
- SAE standard rotation
-
- Fuel System
-
- Gas pressure regulator
- Natural gas carburetor
-
- Ignition System
-
- Digital ignition system
-
- Instrumentation
-
- Service meter
-
- Lube System
-
- Crankcase breather — top mounted
- Oil cooler
- Oil filter — RH
- Auxiliary oil reservoir
- Rear sump oil pan
- Oil filler in valve cover and dipstick — RH
-
- Mounting System
-
- Engine supports
-
- Protection System
-
- Shutoffs
-
- General
-
- Paint — Cat yellow
- Crankshaft vibration damper and drive pulleys
- Lifting eyes
Optional Equipment:
-
- Air Inlet System
-
- Air cleaner — dual element
- Air inlet adapter
- Precleaner
- Air cleaner rain cap
-
- Charging System
-
- Battery chargers
- Charging alternators
- Ammeter gauge
- Ammeter gauge and wiring
- Control mounting
-
- Control System
-
- EG3P/2301A speed control governor
- PSG electric governor
- PSG pneumatic governor
-
- Cooling System
-
- Radiators
- Non-sparking blower fan
- Blower fan and fan drives for customer suppliedradiators
- ATAAC conversion
- Aftercooler
- Expansion tank
- Heat exchanger
-
- Exhaust System
-
- Flexible fittings
- Elbows
- Flanges
- Rain caps
- Mufflers
- Exhaust manifold
-
- Fuel System
-
- Dual gas regulator
- Low energy fuel carburetor
- Low pressure gas conversion
- Propane and natural gas valve and jet kits
- Fuel filter
-
- Ignition System
-
- CSA ignition
- Ignition ground wiring harness
- Power supply — digital ignition system
-
- Instrumentation
-
- Gauges and instrument panels
-
- Lube System
-
- Auxiliary oil reservoir removal
- Lubricating oil
-
- Mounting System
-
- Vibration isolators
-
- Power Take-offs
-
- Auxiliary drive pulleys
- Enclosed clutch
- Clutch support
- Front stub shaf
- Flywheel stub shaft
- Pulley removal
-
- Protection System
-
- Gas valves
-
- Starting System
-
- 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