The 887 PRO Vacuum Pumps Challenger is a high-performance vacuum pump and requires compatible, high-quality components as manufactured by our innovative minds here at National Vacuum Equipment. We also manufacture and distribute all the required components needed for this and every other pump we sell. Got a specific operational requirement? No problem! We work closely with every client to customize the system to. 887 PRO PUMP STAND COMPLETE Vacuum pump included; specify rotation Rugged 3/8” construction, powder coat painted, pump stand 400 series three-shaft gearbox accommodates clockwise and counterclockwise rotation E20 coupler set with shear protection Easy-align, adjustable gearbox bracket L 45 3/16” W 23 11/16” H 26 1/2” SPECIFICATIONS 887 PRO VACUUM PUMP Maximum Airflow 532 CFM *Full vacuum 28 “ Hg *Operating Range - RPM 1100 - 1200 Hp required @ Full Vacuum 30 - 33 Hp required @ 10 psi 27 - 31 Hp required @ 15 psi 27 - 36 Hp required @ 20 psi 33 - 42 Hp required @ 25 psi 38 - 48 Hp required @ 30 psi 50 - 54 Porting size 4” Shaft size (3/8” key) 1 3/4” Pump dimension L 30 7/16” W 21 7/8” H 27 3/8” Approximate weight 620 lbs