AC Generator, Brushless, 4000kW, Hyundai Ideal - 4000kW (5714kVA), 4160V, 1800rpm, 793A, 3ph, 6-Wire, 60Hz, Frame 21000-40, Type SAB - Exciter: Frame BE-13-3, Type FRBA, Output 25kW, 175V DC, 143A DC, 2010 - S/N 1010011-01 - Unit was spare for offshore and kept in safe storage.