I've got a couple of those too! They came with a 1968 Farmall 140 I bought a few years ago that had a BUNCH of implements and parts. I have no idea what that hopper fits.....I just know I've not seen another like it except for sale at RPRU, and yours. Let us know what all you find out and post pictures if possible.
here's a link to what i found on the Wisconsin historical society it is in the International Harvester General Catalog -- No. 49 -- 1949, there are a few pages with the same hopper on different tractors its on page 206 the link may not show well
Fertilizer hoppers. You can find them in PLA-2A. Don't have the right picture (need a front view), but probably for the A-33-a and B-33-A fertilizer units. If the top opening is round it is the A/B. Oval, it is the HM-33. 1940-1942
Last edited by bob in CT on Thu Jan 10, 2013 9:56 pm, edited 1 time in total.
Keep in mind that the hoppers are what rust out so good ones must have some value even as extras. I asked you a specific question on the shape. Having the correct part number and application is the first step in finding the right home for these. I hate to junk old, good, parts. Somebody wants them...
IH tended to use common hoppers across the line. That style preceeded the round ones we typically see on a Cub. Anything for the early letter series tractors and before plus a lot of non-tractor applications used those hoppers.