Columbia Mixer. Model: 450-3-1-5. S/N: T6-7703. Mixing auger length: 3 ft. 11-1/2 in. Pulley dia. 4 in. driver. 2 ft. 6-1/2 in. driven. Square D Company electrical control box: Nema size 0. Class 8536. 200/230 Volts AC at 3 Hp. 380/460/575 Volts AC at 5 Hp. 3 Phase rating. The Louis Allis Co. motor: 10 Hp, 1175 Rpm, 208-220/440 V, 30-28/14 A, 60 Hz, 3 Phase. (1) 1 ft. 7 in. L. x 10-1/2 in. side door. (1) 4 in. MNPT port. Overall dimensions: 8 ft. L. x 5 ft. 4 in. W. x 5 ft. 5-5/8 in. H.(G)