Radiator without oil cooler for John Deere tractor models 300B, 301A, 302A, 401, 401B, 401C, 480A, 480B, 1520 without HI-LO shift or reverser. Core Size - 20.062 inches high x 18.5 inches wide. 3 rows of tubes. 8 fins per inch. Replaces: AT28583