NH TD5050

I'm not sure a question about a New Holland is appropriate for the Ford Forum but I am at wit's end and need help/suggestions. I have a TD 5050,4 wheel drive with a hydraulic problem. While baling with a Claas round baler, the back lift stopped opening fully was sluggish and the motor lugged down. At the same time the front tires seemed to become possessed and, as soon as the steering wheel was moved, the tires would continue turning on their own until fully turned. This was in both directions. The New Holland dealer suggested changing the filter and fluid. I did this and found small metal particles in the fluid and on the magnets of the drain plugs but nothing that couldn't be related to the brakes. After changing the fluid and filter I hooked it back up to a batwing mower to test it. Same symptoms occurred but during the test the main hydraulic line (metal) that runs to the steering column behind dash ruptured at the copper washer under the bolt. It seems like there is still good pressure but in the wrong places. Too much at the steering and too little at the lift. Any help would certainly be well received I can assure you. Thanks. kirkmc

It sounds like you have a contaminated hydraulic system. When a steering control valve gets hung up, instead of re-centering it will continue to push oil in one direction. contamination will also prevent full pressure from being able to go to where it is supposed to. It sounds like you need to do a total disassembly and clean out of your hydraulics. How many hours? How long have you owned it? Perhaps a filter ruptured or was improperly installed at some point before you bought it.

Showcrop, That makes good sense. The tractor has 1650 hours on it. Bought it 5/6 years about with less than 1000 hours. I am unaware of previous problems prior to purchase but my brother-in-law broke a hydraulic line that ran underneath when he ran over a stump and then drove it back to the shop. This was about 3 years ago. Is disassembly and cleaning something that can be done at our shop or is it a dealership fix, in your opinion? We do clutches, head gaskets, brakes, fuel pumps, etc. but not full engine rebuilds. Thanks, Kirk

It can get very complicated, because most likely it is common sump for everything. A power shift transmission will have many passages and valves, then the hydraulic system most likely has multiple pumps and multiple valves, then the FWA and steering are part of the system. With only 1650 hours it should be worth spending the money on it but it wasn't be cheap. I would estimate over $4,000.00

Showcrop, I really appreciate your advice. I will have it transported to the nearest NH dealer and let them fix it for me. Kirk

(quoted from post at 18:20:28 08/01/18) Showcrop, I really appreciate your advice. I will have it transported to the nearest NH dealer and let them fix it for me. Kirk

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I have a 2010 TD5050 with 3000hrs and we are having similar issues. The Hydraulic pump was found to be bad and replaced with a new one from NH. After replacement The steering is doing the same thing and it will spin one direction or the other until it deadheads. The other thing ours is doing is that it is pumping hydraulic oil into the engine. I am hoping you can tell me what the dealership did to yours to get it fixed. I have been working with our local dealership, but they have been unable to offer any solutions.
We have tested the hydraulic pressure at the three point and for the auxilary hydraulics and they are within spec. The pressure at the steering cylinders is almost 1000psi too high.

Thanks