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. The radiator has 8 fins per inch and 5 rows of tubes. It is 34.562″ tall and the core size is 27.375″ wide. This radiator fits the John Deere Tractor 8630.nDim A (1) Core Size: 27.375″ widenDim B (2) 34.562″ HighnDim C (3) 5 Rows of TubesnDim D (4) 8 Fins per InchnReplaces AR73261 mega-cross: (1 to 3 of 3) nReplaces: AR73261 JOHN DEEREn219940 NORTHERN FACTORY SALESnCrossed From: AR5601 A & I MEGA-CROSS sections and models: (1 to 1 of 1) nCooling Systems > Radiators and Related PartsnJohn Deere TRACTOR: 8630 available manuals: (1 to 2 of 2) nItem Number DescriptionnJohn Deere TRACTOR: 8630nA-JD-O-OMR65222 JD Operator Manual (4WD, Diesel)nA-JD-S-TM1143 JD Service Manual (4WD Diesel) Manufactured by D&D Power Drive