S/N-87DCGO257. ORDER # 849758. DRIVEN BY A 1.5 HP, @ 125 RPM OUTPUT, RATIO 14:1. INSTALLED MOTOR IS 1.5 HP 1725 RPM, 460 VOLT, 3 PHASE, 60 Hz, 145T FRAME. UNIT COMES COMPLETE WITH SECONDARY 33" DIAMETER X 2" THICK STEEL TANK MOUNTING PLATE. FLANGE DIAMETER ON MIXER IS APPROX 16".