The one I can think of off hand is Dad's 125.
He's had it for 30+ years and since he's a mechanic he's got it to work but it's not "factory" anymore. A PO rolled it so he had to get another fiberglass dash piece (hence why it says 105), a dash tin from a 1X6/7 series, a mule drive from a 122 cuz a PO cut the quick release off, and a seat from a quietline.
Maybe it's not so much a "rat rod" but a Frankencub.
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Daniel G.
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(May 1970) 147 w/an IH spring assist, 48" deck, 42" blade, 1969 73, #2 trailer, 10" Brinly plow and (on loan) Dad's #2 tiller.