Gas compression engines
G3406
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.
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Have questions? Call 800.768.4200
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.cat.com/oilandgas.
| Maximum Rating | 325.0 BHP |
|---|---|
| Rated Speed | 1800 rpm |
| Emissions | 2% 02 Emissions Rating: Export Only |
| Minimum Rating | 215.0 BHP |
| 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 |
| Displacement | 893 in³ |
| Oil Change Interval | 750 hours |
| Ignition, Protection | Altronic III |
| Stroke | 6.0 in |
| Bore | 5.4 in |
| Length | 76 in |
| Width | 50 in |
| Height | 56 in |
| Weight - Dry | 3000 lb |
| Cooling System | 10.0 gal (US) |
|---|---|
| Lube Oil System - Refill | 20.0 gal (US) |
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
Need installed dimensions with enclosure and tank? See Model Configurations
