For Sale: CUMMINS Generator set, 800 KW, Cummins KTA, S/N: 31134132, Marathon alternator, Model: 682FDR7119JJW / SA-3258468, 800 kw Standby, 277 / 480 V.A.C, 3 PH, 60 HZ, 1800 RPM,  new Back in 1986 Only 866 hours since new, standby unit. It has a drop over enclosure; we run and load bank tested, the unit is in perfect condition, Ready to be removed by next week.