I don't think the date code could be an R, and be older than the tractor That would put it back before 1939, when the M came out. R would be 1948, and B you know, is 1956.
I have 2 Ms with IH replacement engine, both have the B code, and nothing is ground off on the casting date, BUT the block part numbers are ground off of each, except for the letters, which I don't recall at the moment.
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Today's Featured Article - Tractor Traction - by Chris Pratt. Our first bout with traction problems came when cultivatin with our Massey-Harris Pony. Up till then, this tractor had been running a corn grinder and pulling a trailer. It had new unfilled rear tires and no wheel weights. The garden was already sprouting when we hooked up the mid-mount shovel cultivators to the Pony. The seed bed was soft enough that the rear end would spin and slowly work its way to the downhill side of the gardens slight incline. From this, we learned our lesson sinc
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1964 I-H 140 tractor with cultivators and sidedresser. Starts and runs good. Asking 2650. CALL RON AT 502-319-1952
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