Our new radiator is designed and built to precise dimensional specifications to ensure an exact fit. Each radiator has a stamped brass tank, undergoes a rigorous quality inspection, and is 100% leak tested. This radiator has 8 fins per inch and 3 rows of tubes. It is 17.5" tall and the core size is 18" wide. This radiator fits the Kubota Tractor M6030 (2wd <10181; 4wd <50549; Narrow <50230; Narrow bi-speed <60). (NOTE: replaces 1572572060)