Part 97-SEJD30 | Dose Spreader Box Extension Kit - Maximize your dry nutrient spreader with stainless steel extensions for the John Deere DS30. Built with 304 stainless steel, these 8" extensions increase your capacity by 25%, the SEJD30 Spreader Box Extension Kit allows your operation to be more efficient by covering more acres per day! Each extension comes with pre-drilled OEM tarp-ready holes, making it easy to install roll tarps* and run camera cables quickly and hassle-free. Each extension kit includes necessary stainless steel installation hardware.