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Has anyone ever seen damage like this on 50" MMM blades?

786 Views 9 Replies 8 Participants Last post by  wwxx

This set of blades came off a tractor I just bought. The pictures show both ends of them blades. The deck was in nice enough shape apart from very dull blades. I changed blades and when I spooled up the deck I got sparks and clangs. Instant shut down and noticed a deep dent on the side of deck. The old blades didn't hit it, but the new ones did.


I fixed the dent and then went to look at the old blades. That's when I noticed these wrinkles and cracks. I have maybe eight sets of blades on a shelf and four more sets on decks. None have this damage.

Has anyone ever seen this sort of thing?
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Looks to me like normal wear from cutting in dry, sandy soil.

I replace my blades every year - cheap insurance for good performance.

This. I have had blades wear to a point at the end in less than a season because of our sandy soil. It has gotten better over the years as I improve the lawn.
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