2015 Blu-Jet Trench Master Tile Line Filler, 3-Pt Mounted, 90" Working Width, Features 8, 22" Concave Discs Arranged In A V Pattern Optimizes Soil Flow, Tear Drop Cut Out Disc Design Reduces Build Up, Mounted On 6-bolt Hubs, 4 Bar Design Frame Constructed From 4" X 6" Tubing, Rear Mounted LevelPro Large Diameter Coil Roller, 50-70HP Tractor Requirement, Owners Manual, SN: 018500