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 3 rows of tubes. It is 25.5″ tall and the core size is 19.125″ wide. This radiator fits the John Deere Tractor 4040.nDim A (1) Core Size: 19.125″ WidenDim B (2) 25.50″ HighnDim C (3) 3 Rows of TubesnDim D (4) 8 Fins per InchnReplaces AR90738, AR79450, AR79451 mega-cross: (1 to 5 of 5) nReplaces: 219565 NORTHERN FACTORY SALESnCrossed From: AR5556 A & I MEGA-CROSSnAR90738 JOHN DEEREnWN-RE21894 A & I MEGA-CROSSnWN-RE21894 A & I MEGA-CROSS sections and models: (1 to 2 of 2) nCooling Systems > Radiators and Related PartsnJohn Deere TRACTOR: 4040nJohn Deere TRACTOR: 4040S available manuals: (1 to 2 of 2) nItem Number DescriptionnJohn Deere TRACTOR: 4040nA-JD-O-OMR65460 JD Operator Manual (Diesel)nA-SMJD202 John Deere Shop Manual Manufactured by D&D Power Drive