Are All Kubota Front Wheels/Tires Garbage, Or Is It Me?

   / Are All Kubota Front Wheels/Tires Garbage, Or Is It Me? #31  
I owned a Kubota B7500 for over 8 years and a Kubota L3400 for over 2 years, I never had a tire problem of any kind, not even a flat on either one of them.
 
   / Are All Kubota Front Wheels/Tires Garbage, Or Is It Me? #32  
1. Kubota doesn't make tires as mentioned. So these tire concerns are not a Kubota issue.
2. I have 2 Kubotas. One has dang near ground down fronts, no issues. The other has a VERY slow (1 year to lose 10 psi) puncture that I need to plug. A nail in tire issue, not a Kubota issue.
 
   / Are All Kubota Front Wheels/Tires Garbage, Or Is It Me? #33  
Tires lose about 1 pound of pressure for every 10 degrees of temperature drop. (80 degrees of temperature drop means a non leaker tire is 8 pounds low!!) So when temps drop from summer temps of 80 or 90 down to fall temps of 0 or so I air up my tires about 4 or 5 pounds over the max sidewall pressure knowing temps will soon drop to 40 below zero on the Fahrenheit scale. That way I don't have mess with them when it gets real cold.
When spring comes I will let air out as needed to hit the right pressure for the air temperatures.
Been doing this for years for maximum traction, regular even tread wear and long life.
Art
 
   / Are All Kubota Front Wheels/Tires Garbage, Or Is It Me? #34  
Sidewall stresses (and resulting seepage) are exacerbated by operating with them 'flattened' much more than 'usual'. Turfs with FEL not the ideal for most. (BTDT, YMMV) Right thing, for sure, to find out where the air is coming out. :thumbsup:

Rusty rims can be sealed/sprayed any time a tire comes off a rim. I have good luck with PAM and Fluid Film. (in years, and from one 'app'/wheel)

I agree with the disdain for tubeless tires on our gear, considering that 'yard machine' and 'turf' tires are rarely 'sealed bead' like auto/truck tires are.

'Tubing' mowers and such has been my std since using riders, but low air pressure causes tube squirm/scrubbing/leaks, and 12" & smaller rims are a bear w/o tubes, so still a good idea to check pressures often. Tire says "Max 15 PSI and your butt/back say 'nothing over ten'? :rolleyes: You don't have much air to lose. ("Sports"/basketball pressure gauge for under 10 PSI.)

Were I the OP, or in similar straits, I'd start with tubes. Clean, easy, not messy now or later. From experience, I'd leave Slime to tubes only, and only foam-fill a tire whose eventual replacement would include a 'new' rim too.

(I wouldn't blame Kubo or Titan for something so well 'engineered' to be a problem. :confused3:)
 
   / Are All Kubota Front Wheels/Tires Garbage, Or Is It Me? #35  
The front tires on my 2015 BX25 were useless. Always going flat. Now, I do a lot of work with the bucket, but still.

I had them filled and could not be happier.
 
   / Are All Kubota Front Wheels/Tires Garbage, Or Is It Me? #36  
I went through a spate of small front tire repairs on the G5200 & B5100, I think all 4 went within a year's time. They were all old, original turf tires that I suspect had spent a lot of years parked. They really fight to keep their beads seated on the rim, and once the bead's broken, they fight to stay on their rims - not much stretch on one of those tiny tires. Last 2 or 3 years have been uneventful (knock on wood).

One of the contributing factors seems to be the use of Slime by previous owners. It made a real mess of the rims, requiring a lot of effort to clean up before the tires could go back on the rims. It seemed to promote corrosion of the rims, which required wire brushing to remove, then ospho & paint to prevent more of the same. I stopped using Slime after dealing with the mess and started putting tubes in if I couldn't get the tires to seal 100%.
 
   / Are All Kubota Front Wheels/Tires Garbage, Or Is It Me? #37  
I hope I don't have trouble down the road... the BX is 12 years old and 11 years ago I put slime in the front tires and so far no more problems...
 
   / Are All Kubota Front Wheels/Tires Garbage, Or Is It Me? #38  
So does anyone else have problems with their front wheels? My rears have been good, but not the fronts.

I think it's tractors in general that beat on front tires, although G an BX series machines are a particularly lousy design - just too little. I used to blow front tires off the rim on my L4200 regularly while doing loader work - I eventually put in tubes, which solved the problem and haven't had an issue since. I put slime in there a couple of years ago too, just for good measure. So - put in tubes and throw in a pint of Slime in each one too.
 
   / Are All Kubota Front Wheels/Tires Garbage, Or Is It Me? #39  
Don't think it as much the design as the quality of the tire materials... we see the same with trailer tires all the time... some manufactures are know for lousy tires or marginal tires.

A small tractor, with low center of gravity and tight turning radius requires a small tire...

With SCUT tractors there are not a lot of options when it comes to tire makers... foam filling, tubes and religiously checking air pressure can mitigate.
 
   / Are All Kubota Front Wheels/Tires Garbage, Or Is It Me? #40  
A year after I got my L3400, I started doing a lot of FEL work, wasn't long before my 16" front tires went flat and the tires coming off the rim, second time was the last time, put inner tubes in, maxed out the PSI, that was in 08.

It doesn't help matters when the front tires tip in-wards, so when making a turn with a bucket full of dirt, it creates a lot of side wall pressure on the tire's. Then there's the orange paint issue, Kubota uses heavy paint and that adds a 1000 lbs. of unneeded weight.
 

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