One used Paul O. Abbe 316 SS Rota-Cone Blender Model RCB-54. The unit has a 83 c.f. capacity and a 54 c.f. working capacity. Blender diameter is 54" with a 18" straight wall. Loading hatch 16" diameter and discharge valve is 8". Blender is constructed with 316L stainless steel contact parts, 5 HP drive, 13 RPM with max. density of 90 lbs/c.f. at that speed