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Kubota l245DT front wheels

D

Dave BN

Member
Friend has a 1980 Kubota L245DT and the front wheels keep coming loose. He says the wheels are held on by regular nuts with washers and lock washers not tapered nuts like automotive use. Is that correct or has someone cobbled this up? The tractor does have a loader on it.
Sorry for the sketchy info but the unit is quite a distance from me.
Dave
 
Dave I just looked up the part number and took a look at the nut it is tapered on the back to fit the wheel. I think he has something messed up. His wheels may be ruined.
 
My Kubota 7510 has the same set up. Never had any issues with front or rear
nuts comming loose. SWAG thinks someone
changed the nuts for whatever reason, and didn't tighten them to begin with,
or they tried to put American, not Metric nuts. Once those wheel studs have been damaged it's hard to keep any type of nut tight on them.
 
Could be.

My B1750HSDT, bouoght new in 1994, has standard nuts and flat washers holding the front wheels on.

Never any issues.
 
Whatever it has or had from the factory, once a wheel has been run loose for any amount of time, the studs, wheel holes, hub surface and the back of the wheel will be damaged, no longer have properly machined surfaces to mate up tight. That will allow the surfaces to move and work under load, causing the nuts to release their proper torque and be loose again, and again.

Every wheel I have seen that had flat backed nuts had some means of holding the wheel centered. Either a close fit between the wheel and the hub boss, or had shoulders on the studs to center the wheel. If any of that was damaged there is little chance they will ever stay tight, especially with a loader on it.

Probably looking at new hubs, studs, nuts and wheels, or finding a way to weld and machine everything back to original specs.
 
I have a Kubota L245, (w/o frt with drv) and I have the manuals for both. The parts manual indicates the axle spool has a center shoulder that the wheel opening fits over. The spool has studs, the wheels are secured by:
Spring washer #04512-5012
Nut #02174-50120.
 
I have drilled out many a hub and rim a size bigger and put grade 8 fine thread in and never a problem after that
 
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