The Case IH ZTN85000185 is a genuine OEM Autopilot Motordrive System designed for precise steering control in various Case IH agricultural tractors. This essential component ensures accurate guidance and enhanced operational efficiency for models including Puma, Magnum, Optum, Steiger, and Quadtrac series, specifically those from Tier 4B (NA) (01/16 -) production years. It integrates seamlessly into the tractor's existing autopilot system, providing reliable performance for demanding farming applications.