Mowing Blades running backwards

[4570Man]

I stand by my suggestion.

If it was a rear discharge it could potentially work but a side discharge is going to cut horrible if it’s spinning the wrong direction. The only solution that will make the deck cut like it’s supposed to is make it turn the correct way and put the correct blades on.

 

[JWR]

I stand by my suggestion.

And of course I stand by my comment.

 

[CH4Ohio]

I bought a b7500 with a 60" belly mower last week. It's not cutting grass very well so I look under the deck and I see that the bladed are on upside-down. I ordered a new set on blades from kubota and I put the first one on and I realize it isn't going to cut because the forward edge, as the deck currently rotating, is backwards. I realize now that the blades are on upside-down because the blades are rotating backwards. What can cause this? The previous owner replaced the gearbox on the deck. Is it possible that the gearbox is the wrong one and is the problem? Thanks

This further confirms my belief that no one gets rid of a mower that's operating properly and doing a good job. Short of Divorce or Death, I'm suspicious of any used mower for sale.

 

[TMGT]

First the deck for the B7500 should be 54" not 60". Then the belt will not change the direction of the blades, only the gear box. https://www.messicks.com/catalogs/kubota/rck54-24b/mower/a01300-tension-pulley

I suspect its the wrong gear box (maybe for a rear discharge deck?)

They offered both 54 and 60in decks for the B7500.

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[TMGT]

"Previous owner changed the gearbox":
The fix:
Upside Down Gearbox: If you have recently removed, repaired, or replaced the mower deck's right-angle gearbox, it may have been reattached upside down. Flipping the gearbox 180 degrees will reverse the direction of the output shaft.

The way the Kubota gearbox is made makes this pretty much impossible, they only go on one way.

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[Fuddyduddy1952]

The way the Kubota gearbox is made makes this pretty much impossible, they only go on one way.

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I would at least check it, or open it up if possible. From the little bit of research I just did, CW & CCW mower blades are available.

 

[TMGT]

I would at least check it, or open it up if possible. From the little bit of research I just did, CW & CCW mower blades are available.

There are, I have several LH discharge decks from other manufacturers, but the RCK60-24b that should be on his tractor uses a RH discharge deck, which turns the blades CW when looking at the pulley side.

If the spindles are indeed turning CCW, changing out the blade to make it work would be a huge disappointment. The way the baffling is set it won't cut worth a darn. If you can even find a CCW blade that'll fit that deck.



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