Description Overview Used natural gas generator set Engine manufacturer: Caterpillar Engine model: G3512 LE Alternator make: Caterpillar Alternator model: SR4B Specifications Power: 570 kW Horsepower: 813 hp Voltage: 480 V Phase: 3 Frequency: 60 Hz Power factor: 0.8 Compression ratio: 8.0:1 Fuel type: Natural gas RPM: 1200 Condition Condition: Used Hours: 10,226 Enclosure: Open