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I picked up an old Roof Model 7501 with what appears to be a Wisconsin BKN engine. No engine tags or labels. The 23" mower blade is curved like a scythe instead of the usual flat blade. Wondering if that is normal for this model or someones custom work. Looks like a 24" blade would fit, assuming can find one. Missing air filter, and pretty dirty, but am hoping it will clean up. Very little safety shrouding around the blade. Anyone have any info or manual to share would be appreciated.

Nice find!

I'm going to move your thread over to our Mower and Equipment Operation section. Hopefully, someone over there can help.