Right Seat Support Bracket Mount for Farmall 140, 130, SA, 100, A, B, BN and Other Tractors Models The center hole is 1

The center hole is 1 1/2" inch

and McCormick  fertilizer units

and 254 Tractors

These hoppers have correct fitting feed star shafts to prevent binding and locking up unlike the imported hopper assemblies

Right Seat Support Bracket Mount for Farmall 140, 130, SA, 100, A, B, BN and Other Tractors Models The center hole is 1Seat Support Bracket for International and IH Farmall 140, 130, Super A, 100, A, AV, B, BN, and Other Tractor Models. Seat bracket is for the RIGHT side. Seat bracket has rust pitting were the seat bracket sits against the fender. The pitting will not be seen when mounted to the tractor. The bracket does not have rust holes. Case IH Right Seat Bracket part number 51182D. Left or right side is determined by setting in the operators seat. The left side