Condition: Used, Year: 1999, Make: Cummins, Model: GTA28, Class: INDUSTRIAL, Seller Notes: 1999 Cummins GTA28, 500 KW CUMMINS / ONAN NATURAL GAS GENERATOR-Mfg. 1999-Newage Stamford Generator End-Generator Set Model Number: GFGB-Generator Set Serial Number: K990023626-Currently Setup 277/480 Volt, 3 Phase-12 Lead Reconnectable-Powered by a 28.0L V12 Twin Turbocharged Cummins Natural Gas Engine-E...