1" bore 1/4" keyway Requires 1-3/16" top width belt 1700 rpm engagement 7" Diameter (7.25") Replacement for Comet 300827C (black dome) and the John Deere, AM108500 (black anodized dome cover),1700 RPM engagement. Can be used on: Land Pride Trekker UTV, Textron, John Deere 600 Gator Series and Jacobsen & Cushman Utility Vehicles.O 22 HP 4 CYCLE ENGINES WEIGHT APROX 6 POUNDS. WIDTH 4 7/8" SIDE TO SIDE DIAMETER 7 1/4"