Reliable Power When You Need It Most: Pre-Owned Caterpillar G3512 Natural Gas Generator

When critical operations demand uninterrupted power, the Caterpillar G3512 Natural Gas Generator delivers industrial-grade reliability backed by one of the most trusted names in power generation. This professionally maintained 550kW unit combines proven CAT engineering with the cost-efficiency and environmental benefits of natural gas operation—making it the smart choice for facilities that refuse to compromise on performance.

Why Choose This CAT G3512 Generator Set?

This pre-owned generator represents exceptional value for operations requiring dependable continuous power. With comprehensive CAT dealer servicing throughout its lifetime and a recent professional overhaul, you're investing in a unit that's ready to deliver years of reliable service at a fraction of the cost of new equipment.

Key Performance Features & Benefits

• 550kW Continuous Rating – Delivers consistent, reliable power to keep your critical systems running without interruption, ideal for industrial facilities, data centers, healthcare facilities, and large commercial operations
• Natural Gas Fuel System – Significantly lower fuel costs compared to diesel, reduced emissions for cleaner operation, and extended maintenance intervals that save you time and money
• Sound Attenuated Enclosure – Integrated noise reduction allows installation closer to occupied spaces while maintaining compliance with local noise ordinances—perfect for urban or residential-adjacent locations
• Lean Burn Technology – Advanced combustion system reduces NOx emissions and improves fuel efficiency, helping you meet environmental regulations while lowering operating costs
• 9:1 Compression Ratio – Optimized for natural gas operation, delivering superior fuel efficiency and power output specifically engineered for lean burn applications
• 60Hz, 480V Output – Standard North American electrical configuration ensures seamless integration with your existing electrical infrastructure

Complete Turn-Key Package Includes:

• SR4 Frame 686 Generator – Heavy-duty industrial construction built for continuous duty cycles
• Remote Radiators – Flexible installation options with heat rejection positioned away from the generator set
• Heat Exchanger – Integrated cooling system for optimal temperature management and extended component life
• Exhaust Silencers – Additional noise suppression for quieter operation in sound-sensitive environments

Professionally Maintained by CAT Authorized Dealers

Peace of mind comes standard with this generator. Throughout its operational life, this unit has been exclusively serviced and maintained by Caterpillar authorized dealers—ensuring that every maintenance interval was performed to factory specifications using genuine CAT parts. With approximately 11,000 hours since its last complete overhaul performed by CAT, this generator offers substantial remaining operational life while maintaining the reliability you expect from Caterpillar equipment.

The Caterpillar Advantage

The G3512 series represents decades of Caterpillar engineering excellence in natural gas power generation. Known for industry-leading durability, extensive parts availability, and unmatched service network support, CAT generators are the gold standard in mission-critical power applications worldwide. When downtime isn't an option, facilities trust Caterpillar.

Ideal Applications Include:

• Continuous power for industrial manufacturing facilities
• Prime power for remote locations with natural gas infrastructure
• Standby emergency power for hospitals and healthcare facilities
• Data center backup and continuous power systems
• Large commercial and institutional buildings
• Combined heat and power (CHP) cogeneration applications
• Peak shaving and demand response programs

Smart Investment in Proven Technology

Pre-owned doesn't mean compromised performance. This CAT G3512 offers the perfect balance of proven reliability, lower initial investment, and the operational cost savings of natural gas fuel. With proper maintenance—which this unit has received—these generators routinely provide decades of dependable service.

Technical Specifications at a Glance

• Model: Caterpillar G3512
• Power Output: 550kW Continuous Rating
• Fuel Type: Natural Gas
• Frequency: 60Hz
• Voltage: 480V
• Generator Frame: SR4 Frame 686
• Combustion System: Lean Burn Technology
• Compression Ratio: 9:1
• Enclosure: Sound Attenuated
• Cooling Package: Remote Radiators with Heat Exchanger
• Exhaust: Silencers Included
• Service History: CAT Dealer Maintained
• Hours Since Overhaul: Approximately 11,000 (CAT Certified)
• SKU: GS3620

Ready to Power Your Operations

Don't let power uncertainty hold your business back. This professionally maintained Caterpillar G3512 natural gas generator is ready to provide the reliable, cost-effective power your operation demands. With its proven track record, comprehensive service history, and the backing of the Caterpillar name, this generator set represents a smart investment in your facility's power infrastructure.

Contact Power Generation Enterprises today for detailed specifications, site assessment, and installation consultation. Our experienced team can help you determine if this CAT G3512 is the right fit for your power generation needs and provide comprehensive support from delivery through commissioning.

Invest in reliability. Invest in Caterpillar. Power your future with confidence.