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Pre-owned Caterpillar G3512 Natural Gas Generator Set – Rated at 560KW PRIME, 600KW Standby, 700KVA, 60Hz, 480V, 1200RPM – Includes Engine Driven Radiator, Control Panel, Jacket Water Heater, Engine Gauge ClusterOpen Skid Mounted
Approximately 573 Hours Since New
DIMENSIONS:
*Genset: 210″L x 91″W x 103″H @ approx 25,000 lbs
*Muffler (shipped loose): 60″L x 20″W
*2 Pallets 48″ x 40″ (air cleaners and binder in one and vibration isolators in the other)
| Item Number | GS4500 |
|---|---|
| Kw | |
| Kva | |
| Voltage | |
| Frequency | 60 |
| Rpm | 1200 |
| Fuel Type | |
| Enclosure Portable | |
| Manufacturer | |
| Serial Number Prefix | 4KC |
| Horsepower | 1200 |
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When your operation demands reliable, efficient power generation with minimal environmental impact, this pre-owned Caterpillar G3512 Natural Gas Generator Set delivers exceptional value and proven performance. With an incredibly low 573 hours since new, this industrial-grade generator offers near-new condition at a fraction of the cost, making it an intelligent investment for facilities requiring dependable backup or continuous power.
This powerhouse generator set represents a rare opportunity to acquire premium Caterpillar engineering with minimal wear. The G3512 is renowned throughout the power generation industry for its robust construction, fuel efficiency, and long service life—and with barely 573 operational hours, this unit has decades of reliable service ahead.
This isn't just an engine—it's a complete, turnkey power generation solution that arrives ready for integration into your facility. Every critical component is included:
Operating on natural gas fuel provides significant advantages over diesel alternatives. Enjoy lower fuel costs, reduced emissions for improved environmental compliance, quieter operation, and virtually unlimited runtime when connected to utility gas lines. Natural gas generators like this G3512 are increasingly preferred for their cleaner operation and reduced maintenance requirements—no fuel storage tanks, no fuel degradation concerns, and no diesel particulate filter headaches.
The Caterpillar G3512 is engineered for the toughest environments and most demanding applications:
Main Generator Set: 210"L x 91"W x 103"H, approximately 25,000 lbs
Muffler (shipped separately): 60"L x 20"W
Additional Components: Two pallets (48" x 40") containing air cleaners, binder, and vibration isolators
Caterpillar generators are built to last decades, not years. With proper maintenance, these units routinely achieve 40,000+ operational hours. At just 573 hours, this G3512 has less than 2% of its operational life utilized—essentially a new generator at substantial savings. The Caterpillar name represents unmatched parts availability, worldwide service support, and engineering excellence that ensures your investment is protected for years to come.
This low-hour Caterpillar G3512 represents an exceptional opportunity to secure premium backup or prime power capability without the premium new equipment price tag. With natural gas operation reducing your ongoing fuel and maintenance costs, this generator set delivers outstanding total cost of ownership.
Don't let this rare, low-hour opportunity pass you by. Generator sets in this condition are highly sought after and don't remain available for long. Contact Power Generation Enterprises today to discuss your power requirements and secure this exceptional Caterpillar G3512 for your facility.
Note: Unit is open skid mounted for maximum installation flexibility. Shipping includes main generator set plus muffler and accessory pallets as specified above. Professional installation and commissioning services available upon request.




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