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New Holland TD5050 Hydraulic Line Keeps Blowing

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jwrainbolt
Join Date: Jan 2013
Posts: 2 Palestine, Texas
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster

2013-01-08          185907


Own a 2 year old TD 5050, tractor keeps blowing out a 3 ft. metal hydraulic line that runs under the belly of the tractor from a pump? to a valve. Collin's New Holland Tractor has given me replacement lines and has replace it themselves about 5 times now. They even pressure tested parts of the hydraulic system. To date, they are clueless as to what is causing the problem and offer no suggestions or fixes other that to keep replacing the line. Line will last anywhere from 2 - ~ 20 days and then blow or crack around the fittings or threads. Any suggestions, is there a complaint area I can contact at New Holland where they actually care?

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New Holland TD5050 Hydraulic Line Keeps Blowing

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Murf
Join Date: Dec 1999
Posts: 7141 Toronto Area, Ontario, Canada
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster  View my Photos  Pics

2013-01-08          185909


Without knowing what that hose, or where it goes to, might as well be throwing a dart into a list of potential problems on the wall.

I do know two things however that might give you some clues;

1) It takes a LOT of pressure to rupture a steel line, well up into the dangerous levels!

2) There were two different versions of that tractor, which was also sold under other brand names, one was built in Italy and seems to be a very good machine, the other was built in Turkey and seems to have some quality issues.


I would ask the dealer what that line does and get back to us, generally when a steel line ruptures it's from shock-loading, the pressure to rupture a line far exceeds the setting on the pressure relief valves.


Best of luck. ....

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New Holland TD5050 Hydraulic Line Keeps Blowing

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hardwood
Join Date: Dec 2002
Posts: 3583 iowa
TractorPoint Premium Member -- 5 Tractors = Very Frequent Poster

2013-01-09          185916



Vibration can also be a factgor with steel lines.
Is there perhaps a clamp or fastrener that isn't supporting the line properly?
I has somewhat the same issue with a steel line on a combine which was a real bear to get it out and back in. After a couple of those episodess we used a common hydraulic hose and our problem went away.
At just the right engine speed something was causing the line to vibrate, but only at that speed, above or below that engine RPM it didn't vibrate. When it did vibrate you could hardly see the line it vibrated so hard.
I;m not certian that this is your problem, but just throwing it out as a possibility.

Frank. ....

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