For sale I have a new New Bison svh1 3-PT. Subsoiler riper shank. 3-PT. Subsoiler. Breaks all types of terrain. Breaks deep into arable layer and subsoil to facilitate the absorption of water. Bison SVH-1. 1-Shank fixed position subsoiler. 25 in maximum working depth. 1 in thick shank. Recommended tractor H.P. 45-70. Parking Jack is standard. 20 in working width. Message me with any questions. Located In Thompsonville, il 62890. Delivery is available for a fee