The Zetor 88410081 is a genuine OEM externally working valve shaft (arbre de commande de distributeur) designed for various Zetor tractor models. This essential component ensures proper control and function within the hydraulic system. It is compatible with Zetor Forterra, Proxima, Major, and Crystal series tractors, including specific models like Forterra HSX, HD, Proxima Power, Proxima Plus, Major CL, Major HS, and Crystal HD.