Radiator CoreOEM part numbers AR1627R Item Information 70, 720, 730, 80, 820, 830 Diesel Additional Information Row Crop Tractors, Diesel Engine 4 Row Core, Check Core Dimensions Specifications CORE WIDTH 19 1 2" CORE HEIGHT 21 1 2" CORE THICKNESS 2 13 16" HEADER DIMENSIONS 5 9 16" X 21 1 2" BOLT HOLES IN HEADER 20 CORE GASKET RW 2406 Compatible With John Deere Tractors820, 830, 840