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Your cart is empty.In today’s world, every farmer or rancher needs the right tool to get the job done – and most importantly, they need a toolkit that contains high-quality parts and ranch tools specifically built to last. Here at Rancher Supply, we offer a wide range of farm equipment and parts that the everyday farmer can use to accomplish a wide range of jobs, projects, and tasks while out on their ranch. We’re excited to show you our brand new gearbox that comes to you courtesy of Rancher Supply – the home for ranch tools and farming equipment. 40 Horse Power Makes All The Difference Our powerful new gearbox is the perfect shear bolt replacement for a wide range of Borg Warner, Auburn, Omni, and Patico light duty rotary cutter machines. Loaded with up to 40HP, this gearbox is specifically designed to give you flexibility, efficiency, and accuracy with every cut. Featuring a versatile 1:1.47 speed up gear ratio, you can use this gearbox on rotary cutters that contain a diameter of more than 5 feet and maintain the very same level of accuracy with every cut! Featuring a blade carrier mounting nut, along with a strong cotter pin to keep your blade in place, this particular gearbox is durable and strong – always giving you more with every cut. In addition, you’ll find speed ball bearing units and gears and shafts treated with high temperatures to ensure the longevity of your replacement product for years of use. The Perfect Replacement When it’s time to replace an old or broken rotary cutter gearbox, the Rancher Supply 40HP Shear Bolt Gearbox should be your first choice. Think about it, why build a new system when you can simply replace your gearbox at an affordable price that doesn’t set you back? And don’t forget – this product includes 5 replacement shear bolts, offering you tremendous value with your purchase. This replacement gearbox is compatible with a wide range of rotary cutter machines.
Ashley Gildehaus
Reviewed in the United States on May 27, 2025
Perfect fit. Easy install the gear ratio is perfect for my compact tractor. Easiest way to repair a gear box is with this replacement
Tomison
Reviewed in the United States on January 13, 2025
Seems like a heavy duty unit. Looks like an exact replacement for the bush hog razorback.Easy install.
Ron D
Reviewed in the United States on September 23, 2024
Price and fit good. Runs great so far but only a couple if hours of use on it.
MB Colley
Reviewed in the United States on June 27, 2024
Well packaged and everything was included as described except for the cotter pin. Had to go hunt one down. After installation, it was noted that the breather plug was also left out. That was a problem as it was very difficult to make a replacement work.
Customer
Reviewed in the United States on May 3, 2024
Fits perfectly
jack manuel
Reviewed in the United States on November 3, 2024
I’m a contractor. I use my bush hog a lot on my properties. This gear box is amazing for the price.
Wasachi
Reviewed in the United States on June 20, 2023
Neighbors brush cutter has been sitting for a few years, so I asked her why. Said her kids ran it without oil in the original unit.I replaced it with this one, added the oil, and thy've been using it without issue (as you'd expect).Buy it....it workd....but don't forget to add the gear oil!!! :-)
Frank Giannitti
Reviewed in the United States on December 22, 2023
I was happy with the value and service I received/
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