Great Plains NP40A-15R30 Pull-Type Strip Till Unit, Pintle Hitch, Green Star Rate Controller, Raven NH3 Super Cooler, Gauges, Hydraulic Diverting Valves, 20" Shank Spacing, Hard Surfaced NH3 Knives, Rubber Hoses, Spring Down Pressure Fluted Disc Openers Approx 18", Warning Lights, Schuck Rear Hitch, NH3 Coupling, Eye Wash Tank, Spring Tensioned Double Disc Rear Closing Wheels (Not Installed) Discs Approx 14", Foot Controller, Front Gauge Wheels 10-16.5 W/Swivel Adjustable Dampeners, 10-16.5 Transport Tires, 20' Transport Width, Note: See Attached PDF For The Hydraulic Cylinders Overhaul On This Unit, SN: GP-B1008U