Power module with four tiers holding 16 bottles of 500 mm l or 32 bottles of 290 mm l; 23.5 in. L, 24 in. W, 32.125 in. H; roller shafts mounted in permanently lubricated bearings; bottle speed 0.08 to 14 rpm depending on bottle dia.; 115 vac, 60 hz, 1 amp, single phase