GP107-133S, GP107-135S Great Plains Drill Disc Opener Assembly 

GP107-133S, GP107-135S, A600157 Great Plains Drill Disc Opener Assembly: 13-1/2" x 3mm Disc Opener Assembly. Fits for Great Plains Drill. Consist of 1 Blade, 205 Bearing, Bearing Retainer and Dust Cap. 5/8" bore. Replace for OEM# GP107-133S, GP107-135S, A600157.  Outer Diameter: 13.5" Thickness: 3.0 MM Hardness: HRC44-46 Material: 65Mn  Weight: 2.9KG Disc for seed drills need to work with great precision, positioning the seed with minimum distortion of the soil. This means that for seed drills, the uniformity of their seed disc opener assemblies and discs is of primordial importance. Plain blades and seed disc opener assemblies are made from high grade steels and components for best fit and long life. BORINE Machinery  be able to provide a wide range of seed disc opener assemblies that can be adapted to such important manufacturers as GREAT PLAINS, KINZE, CASE and SUNFLOWER.