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Kubota BX22 blowing hydraulic hoses

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delvinmuglas
Join Date: Jul 2003
Posts: 9 Wakarusa, Kansas
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2012-07-11          184234


I have an older Bx22 that is blowing holes in the hydraulic hoses. At first I thought it might be getting older and hoses just giving out (8 years old). I've had to replace 2 on the front end loader and all 4 on the steering ....even the return hose. Anyone experience anything like this? I'm thinking unloader valve and pulled it apart. Was clean inside no blockage that I could see.

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Kubota BX22 blowing hydraulic hoses

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auerbach
Join Date: Sep 2007
Posts: 2168 West of Toronto
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2012-07-11          184240


I've not heard of any CUT whose pump overpowered its hoses. But most every hose will eventually fail, and I have heard of Kubotas where this happens earlier than average. ....

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Kubota BX22 blowing hydraulic hoses

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candoarms
Join Date: Mar 2007
Posts: 1932 North Dakota
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2012-08-04          184535


Delvinmuglas,

These smaller compact tractors are very capable machines, but due to their smaller size, the hoses are sized smaller also.

Hydraulic hoses come in many different sizes and styles. Larger tractors use very heavy hoses with several layers of steel reinforcing braids. Smaller tractors have hoses of much lighter construction, with most having only 1 or 2 layers of steel braiding. These lighter hoses are very flexible, allowing for much tighter bends, but they surrender a lot of durability in the trade-off.

Smaller tractors simply don't have the room to make large, sweeping bends in the hydraulic hoses. Therefore, these smaller tractors must use shorter hoses with tighter bends in order to go from point-A to point-B.

It's a fact of life that these lighter hoses will wear through faster, not last as long, and will need to be replaced more frequently. 8 years isn't too bad. Just be sure to reinstall your protective sheaths at the same time. Just a little bit of rubbing (mostly due to vibration) will quickly wear through the thin outer skin of these lighter hoses.

Joel ....

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Kubota BX22 blowing hydraulic hoses

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Art White
Join Date: Jan 2000
Posts: 6877 Waterville New York
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2012-08-06          184572



We have not had to many hoses break on other then a few Kubota machines. Those in question for the most part wanted thee machines relief vavles set up.. Yes they can lift more, not that as with many that lift more then they should or are rated for. Chaffing a hose is the main reason for failure of hoses and is tied with pinching for blow outs. We have seen flaws in the way the hoses were made. To short, to long or just not the right elbows used originally. Weather will also take its toll with age.
with the different brands we sell as well as repair it is rare to find one brand that breaks more, other then there are more of them out there! ....

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