Tires seem squishy : New Holland Tractor Review  -- New Holland Tractors Discussion Forum and Review Tires seem squishy : New Holland Tractor Review -- New Holland Tractors Discussion Forum

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 06-18-2002, 12:06 Post: 39661
Mrwurm



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 Tires seem 'squishy'

My new TC30 has turf tires. The front tires are 25-8.50-14 These tires are 4PR (ply?). The max inflation stamped on the sidewall is 22 psi and this is also the max inflation listed in the owners manual. When filled to 22 psi the front tires seem to flatten down to about half the sidewall width with even a light load in the loader. They also leave lots of rubber (tire marks) on the cement driveway (in 2WD mode). When turning, the front tires flex so much I'm afraid they're going to roll off the rim. Any thoughts?

Jerry






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 06-18-2002, 13:38 Post: 39663
pbenven



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 Tires seem 'squishy'

I know I sometimes overlook the obvious...Have you checked them with a different pressure gage?






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 06-18-2002, 18:10 Post: 39667
JJT



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 Tires seem 'squishy'

4PR is 4 ply rated.

Turf tires are also known as balloon tires. What you are seeing is normal. If you are going to be doing some serious FEL work I'd run them up to 25#'s and be careful to not take hard turns, these tires can be rolled off the rims.






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 06-18-2002, 21:28 Post: 39670
edmiller



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 Tires seem 'squishy'

With a loader on your tractor, you should be using 6 ply tires.






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 06-18-2002, 23:53 Post: 39676
treeman



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 Tires seem 'squishy'

I thought the same thing when I bought my TC33D this spring. I checked the tire pressure ( with a good gauge ) and set it at 22lbs. I did alot of loader work (25hrs) filling the bucket full and I never had problems. Do you have any weight on the 3pt to counter the bucket? It helps alot.






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 06-19-2002, 05:49 Post: 39679
Mrwurm



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 Tires seem 'squishy'

Ok, I'll check these tires with a different gauge just to make sure.

I agree that a 6ply tire would be preferable, but 4PR is what NH puts on the machine. But, I may be installing new tires sooner than I thought as my neighbor has about 300 hours on his New Holland tractor with turfs and his front tires are pretty worn. He uses the tractor to cut grass and plow snow off his gravel driveway. I think these tires must be very soft to wear so quickly.

No, I don't have weight on the 3pt or my tires filled yet. I better get around to doing the tire fill that I have been planning.

Jerry






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 06-19-2002, 06:18 Post: 39683
TomG

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 Tires seem 'squishy'

I've also got 4-ply tires on my 1710 and a not very big loader bucket. I recently noticed that running 16 lbs. in the tires made it difficult to engage and disengage the 4wd, which is a sign of excessive front axle lead and is hard on the front drive train.

Tires may have a max pressure rating, but they also have load charts. The max load for my front tires is at 12lbs. I've run 14 lbs. without noticing the axle windup problem and will reduce the pressure and just let the tires flatten down under load. Even when I'm doing heavy loader work, I probably travel further with little or nothing in the bucket than with a heavy load. I think itís better to stick close to pressures that are in a load chart for the tire. Because some axle lead is fairly standard in 4wd tractors, it's a good idea to avoid using 4wd on pavement or high traction surfaces.






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 06-20-2002, 09:20 Post: 39706
Art White



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 Tires seem 'squishy'

There are some questions that I could ask here. Is it the factory loader? Is it the standard size bucket if it is the factory loader? Often for price or for the thoughts that the loader will lift more a generic loader is installed on the front of tractors. They often weigh more than the manufacturers and have bigger buckets that if not used properly overload the front end and tires causing premature failure. To use more air in the tire than recommended is not normally needed but sometimes it is for different jobs. I would over inflate the tires to keep them from rolling under or to help reduce scuffing but never by more than 10%.






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 06-20-2002, 11:31 Post: 39711
Mrwurm



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 Tires seem 'squishy'

Art, its a 7308 loader with the 60in HD bucket. The tires are not causing any performance problems at this time, but they make me a bit nervous when I see how much they bulge and flex. They also leave behind a distinct trail of rubber while turning on concrete. This happens with the loader bucket empty and in 2wd.

Jerry






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 06-20-2002, 13:38 Post: 39714
Art White



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 Tires seem 'squishy'

You have all NH equipment so it is not a matter of front overload as you have it even when the bucket is empty. I don't have concrete to try it on but there are only a couple of things to check. Try the toe-in as that could give you the problem. The other would be the air pressure which you are checking. Last would be the least possible and that would be a bad forging of an axle housing that will give you to much camber but that is rare not to get caught while building the tractor. To load the rear with weight will not take the load off the front. It will change the balance of the tractor as it will just be heavier in the rear and would not change your problem.






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Discussion Boards > Active Subjects > Messages as Posted > New Holland Tractor Review Forum

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Art White 4 | DRankin 1 | edmiller 1 | JJT 1 | MrDoom 2 | Mrwurm 5 | pbenven 3 | Spring Valley 1 | TomG 6 | treeman 2 |




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