Radiator w/ Oil Cooler (W/ Diesel Engine). PART NO: A-D8NN8005KB. Our new radiator with cooler 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. The radiator has 8 fins per inch and 4 rows of tubes. It is 17.75" tall and the core size is 18" wide. This radiator fits multiple Ford / New Holland Tractor models. (NOTE: Replaces D5NN8005A, D8NN8005KA) Replaces D8NN8005KA, D5NN8005A Dim A (1)Core Size: 18.000" Wide Dim B (2)17.750" High Dim C (3)4 Rows of Tubes Dim D (4)8 Fins per Inch. . MODELS: Ford / New Holland TRACTOR: 5600 (W/ Diesel Engine) Ford / New Holland TRACTOR: 6600 (W/ Diesel Engine) Ford / New Holland TRACTOR: 7600 (W/ Diesel Engine).