75HP Shear Pin Ratio 1:1.46 1 3/8 Smooth, 1/2 Smooth Input 15 Spline Output OMNI – 250373. You work hard year-round under various conditions and need equipment that can do the same! Having a quality gearbox on your rotary cutter guarantees smooth operation and increased performance. It is our mission to provide you with the durable gearbox needed to optimize your work hours! Each gearbox features high speed ball bearing units, along with heat-treated gears and shafts to ensure long life. The specifications on our gearboxes are made to match industry standards. Also, each gearbox includes blade carrier mounting nut. This item is in the category “Business & Industrial\Heavy Equipment, Parts & Attachments\Heavy Equipment Parts & Accessories\Gearboxes”. The seller is “ranchersupply” and is located in this country: US. This item can be shipped to United States.