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Caterpillar
G3408 Gas Compression Engine
Tough and durable, built on the industry-standard G3400 platform bring maximum uptime and low operating cost to your operation. G3408 engines meet the most demanding continuous duty gas compression applications with virtually no unscheduled downtime.Ideal applications for G3408 engines include gas lift, gas gathering, and wellhead gas compression. Cat G3408 gas engine. Ratings: 190-298 bkW (255-400 bhp) @ 1800 rpm are NSPS site compliant capable with customer-provided air-fuel ratio control and aftertreatment or available for non-regulated areas.
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Details
Specifications
Engine Specifications
| Spec | Value |
|---|---|
| Maximum Rating | 400 BHP 298 bkW |
| Emissions | NSPS Site Compliant Capable or non-regulated NSPS Site Compliant Capable or non-regulated |
| Displacement | 1099 in³ 18 l |
| Minimum Rating | 255 BHP 190 bkW |
| Compression Ratio | 9.7:1 9.7:1 |
| Aspiration | Naturally Aspirated or Turbocharged-Aftercooled Naturally Aspirated or Turbocharged-Aftercooled |
| Rotation from Flywheel End | Counterclockwise Counterclockwise |
| Flywheel and Flywheel Housing | SAE No. 0 SAE No. 0 |
| Flywheel Teeth | 136 136 |
| Weight – Dry | 3700 lb 1678 kg |
| Oil Change Interval | 750 hours 750 hours |
| Ignition, Protection | Altronic III Altronic III |
| Stroke | 6 in 152 mm |
| Bore | 5.4 in 137 mm |
Capacity for Liquids
| Spec | Value |
|---|---|
| Cooling System | 14.5 gal (US) 54.9 l |
| Lube Oil System – Refill | 12.2 gal (US) 46.2 l |
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
Related Products
Gas Compression Engines
G3406
G3412
G3408C