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Good Morning,<br>
I am thinking of looking into buying maybe a Kubota B7100HST-D<br>
tractor that the guy said runs fine but the tractor will not move. 1,600 hours on it.<br>
Aside from the obvious has anyone had experience with this problem?<br>
If it is a can of worms Maybe should pass or is it worth taking a good look at it.<br>
Some Hydro mowers have a lockout for allowing pushing them.<br>
Deeres' 4000 series is a direct drive pump that is either good or bad.<br>
He is asking about what they seem to be going for if not broken.<br>
Have not actually talked to the seller but maybe interested.<br>
Any thoughts? A pump is probably wayyyyy up there in price?<br>
thanks gary

B7100HST-D Hydro drive will not move tractor
Kubota Tractors
Replies 3 Post by garyrnorth

Hello,
I apologize for not posting a followup.
I have a 4200 tractor with the SST synchronized 3 speed transmission.
When I split the third housing I found that the bearings on both ends of the
transmission cluster shaft had worn considerably causing the transmission to only shift and work in 1st and reverse AND only when I pressed hard on the shifter to keep it in gear.
There is the transmission mainshaft with the three forward and the reverse gear and then there is the cluster shaft which keeps all in motion...Almost exactly like a Muncie 4 speed trans out of a 69 zz-28 camaro.
The balls in the ball bearings (RUSSIA MFG by the way) were worn almost in half of their original diameter. This caused the shift forks to be out of alignment and to not allow shifting into 3rd and second gears.
I fixed the bearings and found new used synchronizer "brass Rings" at an automotive transmission shop.
The clutch appered to be just fine so all was cleaned and reassembled and the trans works great now. Although it is a synchronized transmission I will not upshift it on the fly ...Just because I do not wish to take it apart again.
regards gary

John Deere 4200 clutch shifting hard
John Deere Tractors
Replies 11 Post by garyrnorth