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Old 06-10-2019, 01:47 PM   #1
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mulching blade or not


Hey guys and gals,
Last year I purchased a new lawn mower blade from Amazon, as local stores don't seem to carry one that fits my mower. Reading Amazon reviews convinced me that this was a mulching blade, but after using it this year I'm not so sure. Attached are two pics that I just took after cutting the grass. There are clumps all along the grass following the path that I take, and when I turn around on the driveway, I get a bunch of grass clippings there as well.

This is the blade on Amazon...

https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1


The lawnmower is a Craftsman 21" rear drive with a Honda engine. If anyone has any recommendations for a 21" mulching blade with three mounting holes that does a great job I would appreciate it. Thanks
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mulching blade or not-img_0149.jpg   mulching blade or not-img_0150.jpg  
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Old 06-10-2019, 01:55 PM   #2
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Re: mulching blade or not


The blade does have the laid over "S" of a mulching blades.
But "mulching" is a rather plastic term.
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Old 06-10-2019, 01:55 PM   #3
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Re: mulching blade or not


Yep! That is what happens when you have a mulching blade. The accumulated clippings fall out over hard surfaces.
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Old 06-10-2019, 02:52 PM   #4
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Re: mulching blade or not


I have 2 craftsman mulching mowers same blades as your Amazon purchase. The older one spits and clumps more as it has the small area into the rear chute messing up the aerodynamics. The new one has an insert to fill up that small area when the rear door is closed, and it is much neater.

I'm sure you know the length/amount of grass directly correlates to how much can recirculate underneath before being dropped, so I've been having to mow sooner than 7 days to avoid your photos. Even with that I'm having to lift the front a little before the turn or onto hard surfaces to spread it around a little, I assume with our rains the grass is just too saturated and heavy even though shorter.
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Old 06-10-2019, 03:17 PM   #5
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Re: mulching blade or not


Thanks for the replies. Glad to know it is in fact a mulching blade. Guess I'll have to try to cut the grass more frequently.
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Old 06-10-2019, 05:09 PM   #6
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Re: mulching blade or not


I use Gator Blades on my Kubota ZD21. They seem to cut the grass finely enough, as it is repeatedly vacuumed up and recut. https://www.ebay.com/itm/Blade-Kubot....c100008.m2219
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Old 06-10-2019, 05:58 PM   #7
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Re: mulching blade or not


I think the mulching blades that really work are the double blade ones. Everything else "sorta" works. The wavy blades fall into that category.
Just took a set off our Rider and put on the factory set. We just don't have enough grass yet this year to really have put them to work.
The moral of this story? Guess I've got to match the blades to the task. Fortunately the rains seem to have arrived and I'm expecting to be able to use the mulchers again come July.
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Old 06-11-2019, 08:24 AM   #8
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Re: mulching blade or not


Quote:
Originally Posted by Dave Sal View Post
Thanks for the replies. Glad to know it is in fact a mulching blade. Guess I'll have to try to cut the grass more frequently.



I open the chute and let the clippings fly earlier in the season and then close it and mulch when the grass is drier. Otherwise the mulching action works the snot of my 9HP rider.
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Old 06-11-2019, 08:57 AM   #9
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Re: mulching blade or not


Clogging doesn't help.
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Old 06-11-2019, 01:24 PM   #10
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Re: mulching blade or not


We use mulching blades on the lawn tractor, you have to smack the deck on the ground a few times before going across the driveway so it doesn't drop the clippings there - also if you go too long it'll make track piles everywhere. My husband also has a habit of mowing damp grass which leaves the track piles too.
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Old 06-11-2019, 02:25 PM   #11
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Re: mulching blade or not


Dry grass is probably a key to making them work properly.
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