Great Plains Turbo Max 4000 40' Vertical Tillage Tool, 5-Section Frame, Rolling Basket, 19" Front Blades, 19.5" Rear Blades, Single Point Depth Control, Hydraulic Gang Angle Adjust, Wing Down Pressure, 440/55R18 Main Frame Tires, 12.5L-15SL Wing Tires, SN: GP-C2926H