1995+ Waukesha 3521 GSI Natural Gas Generator, 500 KW, 277 / 480 Volts. Open Frame, Radiator, About 5000 Hours. 12 Cylinder Low Speed Engine, 900 RPM Which Gives Longer Life Cycle, With Less Maintenance Costs. Engine Was Inspected From Top to Bottom. The Heads Were Replaced With Rebuilt Heads. Generator Has Been Run Under Load And Pulls Fully Rated Loads. Unit is Rated 500-600 KW Prime on Natural Gas. It Has Dyna Gen Control Panel Mounted on Generator. The ignition is A Waukesha CEC With Woodward EG3P Governor. Price: Request For Quote – FOB Central U.S. – Subject To Prior Sale. TDNCZS. Call Generator Hotline For Details at 409-515-5035. Ask For Leo Davenport or Joe Mescalero.