Murzan Drum Unloading System, Project No. D-12616, Panel/Equipment DUS-50. S/N 9600026D. Overall dimensions: for drum: 27-½ in.W, 46 in. H. System stands on four lockable casters. Has a control panel on the side with 2 air inlets. 4 control tubes run to the dual air powered pumps, and 2 smaller tubes run to the pneumatic lifts on either side of clearance area. Rollers run along base at 2 in. diameter in open portion and 1 in. Diameter in clearance area. Designed for 24 in. diameter drums. Number on pump: 96102892, P1 .50 SL. Pneumatic Lifts: Rockford Air devices, piston size: 3-¼ in. x 40 in. S/N 96-1396E.