Please drop us a line below and we’ll get in touch with you shortly!
Sold
Pre-Owned Caterpillar G3412 SI Natural Gas Industrial Generator Set – Rated at: 400KW, 500KVA, 60Hz, 480V, 1800RPM – Open Skid Mounted – 8.5:1 Compression Ratio – High Pressure Fuel System, Woodward EG3p Governor, Altronic Ignition System – Approximately 5100 Hours on the Unit – Previously used as a Standby Backup unit at an Airport – Please see the units “Build Sheet” for additional information
| Item Number | GS3659 |
|---|---|
| Kw | |
| Kva | |
| Frequency | 60 |
| Rpm | 1800 |
| Fuel Type | |
| Enclosure Portable | |
| Manufacturer | |
| Serial Number Prefix | 7DB |
| Horsepower | 565 |
| Condition | |
| Weight | 1 lbs |
Please select the photos that you would like to download in a zip file
When mission-critical operations demand unwavering reliability, the Caterpillar G3412 SI Natural Gas Generator delivers the proven performance that keeps your facility running without interruption. This pre-owned industrial powerhouse combines Caterpillar's legendary engineering excellence with the cost-efficiency and environmental benefits of natural gas operation—offering you premium backup power at a fraction of new equipment costs.
Previously serving as a standby backup unit at a major airport facility, this generator has proven its mettle in one of the most demanding environments imaginable. With approximately 5,100 operational hours—remarkably low for an industrial generator of this caliber—you're acquiring a unit with substantial service life remaining. Airport operations demand absolute reliability, and this generator delivered exactly that, cycle after cycle.
Delivering a commanding 400 kW (500 kVA) at 60Hz and 480V, this G3412 SI provides the substantial power capacity your industrial, commercial, or institutional facility requires. Whether you're protecting data centers, manufacturing operations, healthcare facilities, or commercial properties, this generator ensures seamless power continuity when the grid fails.
Caterpillar isn't just a name—it's a global standard for industrial power reliability. The G3412 SI represents decades of power generation innovation, featuring the robust 12-cylinder engine architecture that has powered critical facilities worldwide. With Caterpillar's extensive service network and parts availability, you're investing in long-term supportability and peace of mind.
This unit comes with its complete Build Sheet, providing you with comprehensive specifications, configuration details, and service history documentation. You'll know exactly what you're getting—no surprises, no uncertainties—just transparent information that facilitates confident purchasing decisions and smooth integration into your facility.
Pre-owned industrial generators of this quality rarely become available. You're gaining access to premium Caterpillar engineering, airport-proven reliability, and substantial remaining service life—all while avoiding the significant capital expenditure of new equipment. For facilities requiring dependable standby power without the new equipment premium, this represents an outstanding opportunity.
Quality pre-owned Caterpillar generators with documented service history and low operational hours are highly sought-after in the industrial power market. Facilities nationwide are actively seeking exactly this type of proven, reliable backup power solution.
Contact Power Generation Enterprises today to discuss your specific application requirements, review the complete build sheet documentation, and discover how this exceptional G3412 SI can provide the mission-critical power protection your facility demands. Our power generation specialists are ready to answer your technical questions and facilitate a smooth acquisition process.
Invest in proven reliability. Invest in Caterpillar quality. Invest in power you can count on when it matters most.




Select at least 2 products
to compare