Pair of IH Farmall Super A A-16 Middlebuster Pivot Brackets with Bearings The last two pictures show

The last two pictures show the difference between the two styles of cultivator extension bars used by these tractors

Case IH part numbers: 514235R11

14 and 22 Tooth Transmission First and Reverse Sliding Gear for IH Farmall and International 140

Used on numerous Woods Equipment Products mowers and other brands mowers driven by tractor belt pulley output shafts (1-1/8" inch diameter 6 spline output shafts)

Case IH part number 513221R91

Pair of IH Farmall Super A A-16 Middlebuster Pivot Brackets with Bearings The last two pictures showPair of IH Farmall A 16 Middle Buster Pivot Brackets with Bearings for International and IH Farmall 140, 130, Super A, and 100 Tractors WITHOUT 1 Point Fast Hitch installed. These brackets are the LEFT and RIGHT mounting brackets. Case IH part numbers: 512037R1, 512036R1, 512018R1. IH Farmall A 16 Middlebuster (One Row, Rear Mounted) was built from 1947 till 1955 and could be equipped with variety of attachments. Last photo is of the A 16 Middlebuster