Used 117 CFM Busch Huckepack dry running vacuum pump. Model 433014, type HC4330, Built 1993, SN# 1372. Rated suction capacity 117 CFM, suction pressure 5 M bars. Equipped with stainless steel muffler and fault indicator panel. Driven by 15 HP, 3 phase, 230/460 volt motor with 1170 rpm rating. Mounted on 284TC frame.