Radiator. PART NO: A-70250729. 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 7 fins per inch and 5 rows of tubes. It is 18.25" tall and the core size is 23" wide. This radiator fits multiple Allis-Chalmers Tractor models. Dim A (1)Core Size: 23.00" Wide Dim B (2)18.25" High Dim C (3)5 Rows of Tubes Dim D (4)7 Fins per Inch. . MODELS: Allis-Chalmers TRACTOR: 190 Allis-Chalmers TRACTOR: 190XT Allis-Chalmers TRACTOR: 190XTIII.