Apache Auger. Model: SC-10. S/N:3693. Pitch: 9 -1/2 in., Shaft Diameter: 2 - 6/16 in. Blade Thickness: 3/16 in. 1 in. x 1 in. Mesh sections. One 12 in. x 14 in. And 30-1/2 in. x 14 in. section. Motor Information: 3 phase, 230/460 V, 1725 rpm, 3.4 amps, 60 hz. Reeves Drive: 38.4 Ratio, 1/2 HP, 126 max rpm, 12.6 min rpm. Inside Dimensions: 72 in. L x 11 in. W x 11-1/2 in. Deep. Overall Dimensions: 84 in. L x 31 in. W x 34 in. H.