The exterior of the unit is made of 20-gauge cold rolled steel covered in white porcelain enamel

Bradley S10-009 Filler Cap Assy-Sentry Replacement Part

The cover measures 3-1/4 inches in diameter

using these walls as the ends of the configuration

Nidec US Motors FD32SM2DZYR Auger Motor, 1-1/2 HP, 3-Phase, 1800 RPM, 208-230, 460V, 56Y Frame Mount Type-Recessed Mount The exterior of the unitFeatures: Auger Motor Item: Farm Duty Motor, Motor Type: 3 Phase, HP: 1 1 2, Nameplate RPM: 1800, Voltage: 208 230 460, Frame: 56Y, Enclosure: Totally Enclosed, Rotation: CW CCW, Hz: 60, Phase: 3, Speeds: 1, Service Factor: 1, Insulation Class: B, Mounting: Footless, Bearings: Ball, Shaft Type: Key, Shaft Number: 1, Shaft Length: 1. 875", Shaft Dia.: 0. 625", "C" Dim: 12. 9, Protection: Manual, Thermal Protection: Yes, Cooling: Fan Cooled.