Kinney KMBD Vacuum Booster. Model: KMBD 2700. S/N: 801292. M.M.N. 90-5514. M.S.N: 236. Displacement: 2700 cfm. US Electric Motor, 15 hp, 3485 rpm, 230/460 V, 37.6/18.8 amps, 60 Hz, continuous duty. Drive shaft: single row ball. Mechanical boosters are used to “supercharge” vacuum pumps to greatly extend pump performance. This allows for mush faster pumping speeds and deeper vacuum levels. Inlet: 10 in. dia. ANSI flanged port. Outlet: 6-1/2 in. dia. flanged port. Overall dimensions: 49 in. L x 35 in. W x 58 in. H.(H4)(ACN160).