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Free Freight Shipping on Orders Over $2,500 (404) 667-2554 Factory Warranty on All Equipment
Bison

Bison RT+4 Trailed Offset Discs

From$21,525.00
Direct Shipment from Manufacturer
The Bison RT+4 is a trailed offset disc harrow that breaks up soil, mixes crop residue, and levels fields using 26" notched discs and a heavy structural frame. Built for routine tillage where durability and consistent finish matter. Key Features...
Free shipping on orders over $2,500
Full manufacturer warranty included
Ships in 3-5 business days
Questions? (404) 667-2554

The Bison RT+4 is a trailed offset disc harrow that breaks up soil, mixes crop residue, and levels fields using 26" notched discs and a heavy structural frame. Built for routine tillage where durability and consistent finish matter.

Key Features

  • Manufacturer / Series: Bison RT+4
  • Working widths: 12' (28 discs) or 13'8" (32 discs)
  • Disc diameter: 26 inches (notched)
  • Frame: 6" x 4" PTR structural steel for high torsional resistance
  • Gang angle: Adjustable (3–5 positions) to control penetration and residue mixing
  • Bearings: Oil-bath bearings for longer service intervals
  • Hitch: Oscillating, adjustable eccentric pull hitch to follow ground contour
  • Scrapers: Standard scrapers to reduce mud build-up on discs
  • Configuration: Trailed offset design for easier transport and contour following

Ideal for: Farmers and ranchers needing a rugged tillage tool for residue management, seedbed prep, and field leveling with medium- to large-tractor power units.

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.