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Blade adapter from a MTD or Yard Machine seemed to fit the keyed shaft. Center bolt is 3/8" with 24 threads per inch. My issue is the shaft on the Predator is 1/2" longer than my original Yard machine, Briggs and Straton. So I either need to cut the shaft off, or raise the motor on a half inch thick spacer plate to get the blade at the same height it was on the original motor.

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10y ago
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Roy Goddard

Lvl 1
1y ago
When I switched to Predator on my Swisher 2 wheeled trimmer, I placed a nut under each bolt as a spacer and it worked fine.

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Q: What size lawn mower blade adaptor fit the predator 173 cc engine shaft?
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