G3406 Gas Compression Engine
THE RUNDOWN
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.
Engine Specifications
| Maximum Rating | 325.0BHP |
| Rated Speed | 1800rpm |
| Emissions | 2% 02 Emissions Rating: Export Only |
| Minimum Rating | 215.0BHP |
| 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 | 893in³ |
| Oil Change Interval | 750 hours |
| Ignition, Protection | Altronic III |
| Stroke | 6.0in |
| Bore | 5.4in |
| Length | 76in |
| Width | 50in |
| Height | 56in |
| Weight - Dry | 3000lb |
Capacity for Liquids
| Cooling System | 10.0gal (US) |
| Lube Oil System - Refill | 20.0gal (US) |
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
