Radiator. PART NO: A-RE66029. 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 4 rows of tubes. It is 15.75" tall and the core size is 19.562" wide. This radiator fits multiple John Deere Tractor models. (NOTE: Replaces RE45611) Brass & Copper construction, not plastic & aluminum. Replaces RE45611 Dim A (1)Core Size: 19.562" Wide Dim B (2)15.750" High Dim C (3)4 Rows of Tubes Dim D (4)8 Fins per Inch. . MODELS: John Deere TRACTOR: 5200 John Deere TRACTOR: 5300 John Deere TRACTOR: 5300N John Deere TRACTOR: 5400 John Deere TRACTOR: 5400N.