Used Paul O. Abbe 54 cubic foot 316L stainless steel Rota-Cone double cone blender. Model RCB 54. Unit has an 83 cubic foot capacity, 54 cubic foot working capacity. 54? diameter X 18? straight side. Loading hatch has a 16? diameter, 8? discharge valve. 5 HP drive, 13 rpm. Maximum density of 90 lbs/cubic foot. Serial #A46665.