Stk #ie500-101-ct, 2001 CATERPILLAR 500kw Generator Enclosed With Base Fuel Tank, Model #3412m, 500kw-625kva, Phase 3, 660 Gallon Fuel Tank, L 20', W 89", H 10' 4", 20,000 Lbs, 480 Volts, Very Good Used Unit, Tested. 60 Hz, 1,200 Amps. Engine: CATERPILLAR, Model #3412, Sn# 3fz02152, 749 Hp, Cpl Arrangement# 166-8592.