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Description
Technical Specifications
Benefits and Features
Equipment
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.
| 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 |
| Power Rating | |
| Minimum Power | 255 hp |
| Maximum Power | 425 hp |
| Frequency | 1500 & 1800 rpm |
| Engine Dimensions - Approximate | |
| Height | 1758 mm (69.2 in) |
| Length | 1756 mm (69.1 in) |
| Weight - Net Dry | 2245 kg (4950 lb) |
| Width | 1563 mm (61.5 in) |
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
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
-
- 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
-
- Air cleaner — dual element
- Air inlet adapter
- Precleaner
- Air cleaner rain cap
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- Charging System
-
- Battery chargers
- Charging alternators
- Ammeter gauge
- Ammeter gauge and wiring
- Control mounting
-
- Control System
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- 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
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- 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
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- Instrumentation
-
- Gauges and instrument panels
-
- Lube System
-
- Auxiliary oil reservoir removal
- Lubricating oil
-
- Mounting System
-
- Vibration isolators
-
- 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
