Monday, June 7, 2010

Replace Blades on Troybilt Bronco Riding Mower

I recently had the need to replace the blades on my Troybilt Bronco Riding Mower  (Troy-bilt bronco nut size) that was purchased from Lowes. The manual was useless, as was the in-store help in identifying the size nut that locked the blades to the shaft. After some trial or error, the nut is a 15/16" nut that locks the blades onto a troy-bilt bronco lawn mower. Your obviously need a torque wrench or breaker bar to loosen/tighten the nut.

Any of these tools should work:
-Great Neck CO8C 15/16''Comb.Wrench Carded
TEKTON 14251 1/2-Inch Drive by 15/16-Inch Deep Socket, 6-Point
Wilmar 3/8" Drive, 15/16" Socket (W38030)

I did not test it with those myself, so buy at your own risk.  If you don't have a big enough socket wrench to handle the sockets, you are better off buying the combo wrench.  You may still need to use a piece of pipe as a breaker bar to loosen the center nut on the blades of the mower deck.

For search engines:
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For those with an impact driver, this should work for you: