Overview
Tough and durable, built on the industry-standard G3400 platform bring maximum uptime and low operating cost to your operation. G3406 engines meet the most demanding continuous duty gas compression applications with virtually no unscheduled downtime. Ideal applications for G3406 engines include gas lift, gas gathering, and wellhead gas compression. Cat G3406 gas engine. Ratings: 160-242 bkW (215-325 bhp) @ 1800 rpm are NSPS site compliant capable with customer-provided air-fuel ratio control and aftertreatment or available for non-regulated areas.
Specifications
| Minimum Rating | 215 BHP |
| Maximum Rating | 325 BHP |
| Emissions | NSPS Site Compliant Capable |
| Minimum Rating | 160 bkW |
| Maximum Rating | 242 bkW |
| Emissions | NSPS Site Compliant Capable |
Benefits & Features
Emissions
Rich burn engine design easily meets emission requirements - 0.5% O2 rating meets U.S. EPA Spark Ignited Stationary NSPS Emissions for 2007/8 and 2010/11 with the use of aftermarket AFRC and TWC
Full Range of Attachments
Large variety of factory-installed engine attachments reduces packaging time
Testing
Every engine is full-load tested to ensure proper engine performance.
See More
Specifications
| Minimum Rating | 215 BHP |
| Maximum Rating | 325 BHP |
| Emissions | NSPS Site Compliant Capable |
| Displacement | 891 in³ |
| Compression Ratio | 9.4:1 |
| Aspiration | Naturally Aspirated or Turbocharged-Aftercooled |
| Rotation from Flywheel End | Counterclockwise |
| Flywheel and Flywheel Housing | SAE No. 1 |
| Flywheel Teeth | 113 |
| Weight - Dry | 3000 lb |
| Oil Change Interval | 750 hours |
| Ignition, Protection | Altronic III |
| Stroke | 6.5 in |
| Bore | 5.4 in |
| Cooling System | 10 gal (US) |
| Lube Oil System - Refill | 20 gal (US) |
| Minimum Rating | 160 bkW |
| Maximum Rating | 242 bkW |
| Emissions | NSPS Site Compliant Capable |
| Displacement | 14.59 l |
| Compression Ratio | 9.4:1 |
| Aspiration | Naturally Aspirated or Turbocharged-Aftercooled |
| Rotation from Flywheel End | Counterclockwise |
| Flywheel and Flywheel Housing | SAE No. 1 |
| Flywheel Teeth | 113 |
| Weight - Dry | 1360.8 kg |
| Oil Change Interval | 750 hours |
| Ignition, Protection | Altronic III |
| Stroke | 165 mm |
| Bore | 137 mm |
| Cooling System | 37.9 l |
| Lube Oil System - Refill | 75.7 l |
Benefits & Features
Emissions
Rich burn engine design easily meets emission requirements - 0.5% O2 rating meets U.S. EPA Spark Ignited Stationary NSPS Emissions for 2007/8 and 2010/11 with the use of aftermarket AFRC and TWC
Full Range of Attachments
Large variety of factory-installed engine attachments reduces packaging time
Testing
Every engine is full-load tested to ensure proper engine performance.
Gas Engine Rating Pro
GERP is a web-based program designed to provide site performance capabilities for Cat® natural gas engines for the gas compression industry. GERP provides engine data for your site's altitude, ambient temperature, fuel, engine coolant heat rejection, performance data, installation drawings, spec sheets, and pump curves.
Product Support Offered Through Global Cat Dealer
More than 2,200 dealer outlets Cat factory-trained dealer technicians service every aspect of your petroleum engine Cat parts and labor warranty Preventive maintenance agreements available for repairbefore-failure options S•O•SSM program matches your oil and coolant samples against Caterpillar set standards to determine: - Internal engine component condition - Presence of unwanted fluids - Presence of combustion by-products - Site-specific oil change interval
Over 80 Years of Engine Manufacturing Experience
Over 60 years of natural gas engine production Ownership of these manufacturing processes enables Caterpillar to produce high quality, dependable products. - Cast engine blocks, heads, cylinder liners, and flywheel housings - Machine critical components - Assemble complete engine
Web Site
For all your petroleum power requirements, visit www.catoilandgasinfo.com.
Web Site
For all your petroleum power requirements, visit www.catoilandgasinfo.com.
Standard Equipment
- Air Inlet System
- Air cleaner — heavy-duty
- Air cleaner rain cap
- Service indicator
- Control System
- Governor — Woodward PSG mechanical
- Governor locking — positive control
- 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. 1 flywheel
- SAE No. 1 flywheel housing
- SAE standard rotation
- Fuel System
- Gas pressure regulator
- Natural gas carburetor
- Ignition System
- Altronic III ignition system
- Instrumentation
- Service meter
- Lube System
- Crankcase breather — top mounted
- Oil cooler
- Oil filter — RH
- Auxiliary oil reservoir
- Oil pan — full sump
- Oil filler in valve cover, 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
- Precleaner
- Charging System
- Battery chargers
- Charging alternators
- Charging alternators f/u/w c customer supplied shutoffs
- Ammeter gauge
- Ammeter gauge and wiring
- Control mounting
- Control System
- PSG Woodward governor
- Cooling System
- Radiators
- Non-sparking blower fan
- Blower fans for customer supplied radiators
- Fan drives for customer supplied radiators
- ATAAC conversion
- Aftercooler
- Expansion tank
- Heat exchangers
- Exhaust System
- Flexible fittings
- Elbow
- Flange
- Pipe
- Rain cap
- Muffler
- Fuel System
- Fuel filter
- Natural gas valve and jet kits
- Ignition System
- CSA shielded ignition
- Wiring harness
- 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 and clutch support
- Front stub shaft and flywheel stub shaft
- Protection System
- Gas valves
- Starting System
- Air starting motor
- Electric air start control
- Air pressure regulator
- Air silencer
- Electric starting motor— single 12- and 24-volt
- Starting aids
- Battery sets, cables, and rack
- General
- Damper guard
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