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I found these at a IH Dealer a while back but have no idea what tractor they are for much less was purpose they serve. My assumption was that they mounted to the rear wheel and drove some sort of planter. Does anyone have a clue?
Dad had a set of side dressers on an M that was run by sprockets that looked similar but were a slightly different shape. Someone will probably be able to tell by the part number. Vern
I had a two wheel trailer with something like this. Bolted to a 15" rim and ran a end gate seeder.
This looks more logical to me since the centers would not fit a tractor axle. Vern
Jeff, as usual, I have not got a clue!
Guiena, 1951 Farmall Cub; Jumping Willy, 1949 Farmall Cub.
Same here, except end gate seeder on a wagon.
They appear to be two different sizes which would be used to change the speed the end gate seeder operated. Or changed to accommodate different rim diameters.
I have an excuse. CRS.
Not only are the sprockets different sizes, but so is the spacing for the studs, which makes me think they are for different sized wheels.
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Jim - The Part# is 320880.
John - They are both the same size, I just had one flipped upside down and when taking the close up picture it made the one on the right seem larger. Here is a better picture for comparison.
Thank you all for the help. If we can find out what they go to, I may be able to find the rest of the items needed to make them of use.
I tried that number every way I could and came up with nothing. If it is an IH number, it was obsoleted a long time ago. I wonder if it isn't IH. Is there an IH logo cast in anywhere? The center bolts appear to hit 4 bolts of a 6 bolt circle. If it is for an tractor, it about has to fit something with a 6-bolt wheel circle (like an F-20 or an A etc.). However, the fact it is split allows it to be assembled inside the wheel, suggesting an F-20 over the Farmall A. Some other companies (e.g. John Blue) made similar sprockets to fit IH tractors.
I have something similar mounted on the gauge wheels of a toolbar. It has a fert. attachment on it and had IH 185 planter units bolted to it. They're not as complex as those; they are for four-bolt rims, but I would bet they would fit a 6 bolt planter/cultivator gauge wheel to run a fertilizer attachment.
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Let us pray for farmers and all who prepare the soil for planting, that the seeds they sow may lead to a bountiful harvest.
I have a John Blue Side Dresser that was mounted on a Farmall 140 with a similar style sprocket as that. It bolted to the outside center of the wheel using 4 of the lug bolts in the 6 bolt pattern. Those 4 bolts were longer to accommodate the sprocket too. Not for sure because I don't have a picture of it, but it could be the exactly the same or just be similar.
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