--- product_id: 5888712 title: "Omni Gear 40HP Shear Bolt Gearbox" brand: "omni gear" price: "9654 kr" currency: DKK in_stock: true category: "Omni Gear" url: https://www.desertcart.dk/products/5888712-omni-gear-40hp-shear-bolt-gearbox store_origin: DK region: Denmark --- # 1:1.47 speed-up gear ratio 40 HP power output heat-treated gears & shafts Omni Gear 40HP Shear Bolt Gearbox **Brand:** omni gear **Price:** 9654 kr **Availability:** ✅ In Stock ## Summary > ⚙️ Upgrade your rotary cutter game with power and precision! ## Quick Answers - **What is this?** Omni Gear 40HP Shear Bolt Gearbox by omni gear - **How much does it cost?** 9654 kr with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/5888712-omni-gear-40hp-shear-bolt-gearbox) ## Best For - omni gear enthusiasts ## Why This Product - Trusted omni gear brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Built to Last:** Heat-treated gears and shafts combined with high-speed ball bearings ensure long-lasting durability. - • **Easy Installation:** Industry-standard 4-bolt mounting with included blade carrier nut and cotter pin for hassle-free setup. - • **Precision Gear Ratio:** Optimized 1:1.47 speed-up ratio for efficient, smooth rotary cutter operation. - • **Powerhouse Performance:** Delivers a robust 40 HP to tackle heavy-duty rotary cutting with ease. - • **Universal Fit Compatibility:** Fits most 5' and larger rotary cutters with standard 1-3/8" input shaft and 12 tapered spline output. ## Overview The Omni Gear 40HP Shear Bolt Gearbox is a durable, high-performance replacement gearbox designed for 5' and larger rotary cutters. Featuring a 40 HP capacity, a 1:1.47 speed-up gear ratio, and heat-treated internal components, it ensures reliable, long-lasting operation. Compatible with industry-standard shafts and mounting, it offers easy installation and broad fitment, making it the go-to choice for professionals seeking efficiency and durability in outdoor power equipment. ## Description New Replacement Gearbox to fit a Sidewinder 5x5CW Rotary Cutter. As always, please check dimensions against what you currently have! Note: Actual Gearbox may have a rounded housing or square as shown, depending on current availability, all internal parts are interchangeable and specifications for both boxes are identical! This gearbox features a 1:1.47 Speed Up gear ratio for use on 5' and larger diameter rotary cutters. Industry standard 1-3/8" smooth diameter input shaft with 1/2" shear bolt hole and retaining ring groove and 1.57" diameter 12 tapered spline output shaft allow fitment to most light, standard and medium duty rotary cutters. Each gearbox features high speed ball bearing units and heat treated gears and shafts to ensure long life. Four bolt mounting matches industry standards, 4-3/4" centers. Each gearbox includes blade carrier mounting nut and cotter pin. Gearboxes are shipped dry and require 16 ounces of 80-90W gearlube or equivalent. Does not come with blade hub. ## Features - 40 HP - Shearbolt - Gearbox - Rotary Cutter ## Technical Specifications | Specification | Value | |---------------|-------| | Customer Reviews | 4.7 out of 5 stars 236 Reviews | ## Images ![Omni Gear 40HP Shear Bolt Gearbox - Image 1](https://m.media-amazon.com/images/I/612UhayqhuL.jpg) ![Omni Gear 40HP Shear Bolt Gearbox - Image 2](https://m.media-amazon.com/images/I/51BZOJU9orL.jpg) ![Omni Gear 40HP Shear Bolt Gearbox - Image 3](https://m.media-amazon.com/images/I/4109lvbpHyL.jpg) ![Omni Gear 40HP Shear Bolt Gearbox - Image 4](https://m.media-amazon.com/images/I/41cE+nYT7NL.jpg) ![Omni Gear 40HP Shear Bolt Gearbox - Image 5](https://m.media-amazon.com/images/I/41Kw096L7gL.jpg) ## Questions & Answers **Q: Need the rotation in and out?** A: This is a standard CCW rotation gearbox. **Q: What is the bolt pattern and distance between then mounting holes? Thanks** A: Going from right to left, it is 4-3/4" and diagonally it is 6-3/4" Thanks! Katie -877-885-4300 **Q: Would this gear box fit a bush hog bh5 razorback brush hog** A: I do have the part number 81444 noted to match up to this box. Double check your input and output shaft spline count and the mounting pattern, you should be good! **Q: I have a Buhler Farm King 720 brush cutter and am wondering if this gearbox would be adequate for this mower?** A: I am not 100% sure. This is a standard gearbox that fits many different brands of 4,5,6' machines. You will need to just check the dimensions and shaft sizes of mine against your current box. If you need a drawing of one, contact me and let me know, I can send you one. Thanks! ## Frequently Bought Together - Omni Gear 40HP Shear Bolt Gearbox - Stump Jumper/Flywheel 12 Splined Hub - Replacement Bush Hog Rotary Cutter Blade Bolt Kit Code 63607, 2 Bolts with Nuts and Lock Washers --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.dk/products/5888712-omni-gear-40hp-shear-bolt-gearbox](https://www.desertcart.dk/products/5888712-omni-gear-40hp-shear-bolt-gearbox) --- *Product available on Desertcart Denmark* *Store origin: DK* *Last updated: 2026-09-24*