The KU 5717 all aluminum radiator is an exact fit, OEM replacement for a Kubota a MX4800 Tractor. Manufactured in the USA using controlled atmosphere brazing, the epoxy-free core has one rows of 1.50″ extruded HD tubes and measures 23.56 inches from header to header, 20.25 inches from side to side, 2.250 inches thick, and 2.69 inches inside the header. Aluminum tanks are TIG welded to the core to provide the strongest possible bond and has a 1.25-inch inlet and 1.375-inch outlet. Each unit is individually tested prior to shipping and guaranteed to be 100% leak free.