Lightnin Single-Purpose Mixer. Model: EV6L75. S/N: R9972170800501 & R9972367700501. Gear drive units feature lower speeds and higher torque for mixing large batches of low-viscosity fluids or smaller batches of high-viscosity fluids. Positive drive chuck max. propeller shaft diameter: 5/8 in. Attachment flange dimensions: 5 in. dia. with (4) 3/8 in. dia. attachment holes at a center-to-center distance of 4-1/2 in. Reliance Electric Motor, 3/4, 1725 rpm, 280 rpm (final), 460/480 & 208/230 V, 1.3-1.5 & 2.9-2.6 amps, 60 Hz, 3 phase. Overall dimensions: 9 in. L x 7-1/2 in. W x 19 in. H.