
Bison Rotary Tillers
The Bison rotary tiller mounts on a tractor 3-point hitch to break up soil, mix in fertilizer, and control weeds. Available in multiple widths to match tractor horsepower and field size for fast seedbed preparation.
Key Features & Specifications
- Drive type: Heavy-duty gear gearbox
- PTO speed: 540 RPM
- Working widths: 40"–122" (approx. 3.5' to 10')
- Tractor HP range: 25–100+ HP (varies by model)
- Hitch: 3-point, Category 1 & 2
- Tines: Hardened steel, replaceable for wear
- Depth control: Adjustable skids for consistent tilling depth
- Driveline protection: Shear bolt to reduce damage from hidden obstacles
- Finish: Powder-coat to resist corrosion
- Primary uses: Seedbed prep, weed control, fertilizer incorporation
Ideal for: Farmers, ranchers, and landscapers needing a durable, tractor-mounted tiller sized to their horsepower and field width.
Shipping & Delivery
American Grain Supply offers free shipping on all orders over $2,500 within the contiguous United States. Equipment ships directly from the manufacturer via freight carrier.
- Order Processing: 3-5 business days
- Transit Time: 5-7 business days via freight
- Total Estimated Delivery: 8-12 business days
Depending on seasonality and availability, shipping times may vary. You will receive tracking information once your order has shipped. For questions, call (404) 667-2554.
Warranty & Returns
All products carry the full manufacturer warranty. Warranty terms vary by manufacturer and product.
If you receive a defective or damaged product, contact us within 48 hours of delivery at (404) 667-2554. We will work with the manufacturer to resolve the issue promptly.
Returns of unused, undamaged products may be accepted within 30 days. A restocking fee may apply. See our Return Policy for details.
Questions About This Product?
Our equipment specialists are happy to help you determine if this product is right for your operation.
- Phone: (404) 667-2554
- Email: sales@americangrainsupply.com
- Hours: Mon-Fri, 8:00 AM - 5:00 PM EST



