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Yes, have I ever!! I had a 2001 TN55, 4WD, FEL. In 4 years it broke 3 sets of front hubs. NH knew they had a problem & when asked what they were doing about said, "nothing". When the dealer asked what he should do when the customers warrenty ran out & the hubs broke NH's response was "replace the hubs & charge the customer"! NH also had the nerve to say that tractor shouldn't have a loader on it!! By the way. NH never came up with a fix. They just stopped making that model!
I traded the 55 for a 2005 TN70DA, 4WD, FEL & that has not been without its problems. Worn out loader control joystick, rebuilt the hyd. control valve for the loader, replaced the ecm, replaced the hyd. pump, replaced the fuel transfer pump, replaced the throttle cable. The latest & worst of all is a broken coupler that drives the hyd. pump! The tractor is still in the shop & the bill will be about $4000!!! All this with a machine with less than 2900 very easy hours.
As an aside. I also own a 1978 International 574D, 2WD, FEL with 3,636 hours & I've never had a service call of any kind on this tractor. I guess it's true when they say, "They don't make them like they used to"!
Good luck with yours. Jim

TN-75 reliability question
New Holland Tractors
Replies 12 Post by spinfarm

Of all the NH TN70DA tractors built hasn't anyone had the coupler for the hydraulic pump break? NH has a bulletin regarding the bearing on the coupler being too tight or the end play on the hydraulic pump being too tight causing the pump to overheat BUT they insist the failure is caused by operator error. They claim that excessive "dead heading" of the hydraulic system can overheat the fluid causing the pump or coupler to fail. Is that a bunch of hooey or what?

NH hydraulic pump coupler failure
New Holland Tractors
Replies 1 Post by spinfarm

I have a 2005 NH TN70DA, 4WD, FEL with 2900 hrs. The first hydraulic pump needed to be replaced one year ago with 2234 hours on the tractor. The second pump quit working on 12/28/10. Upon further inspection it was determined that the coupler which drives the pump & is located inside the engine behind the front cover broke. In my opinion this is something that should never break. This will be a very expensive fix. Has anyone had the same problem either with this model or other NH models?

New Holland Hydraulics
New Holland Tractors
Replies 1 Post by spinfarm

I had a 2001 NH TN55D, 4wd/fel that went through 3 sets of cracked front hubs both sides. My dealer called NH on it & they admitted they knew they had a problem. When asked what they were doing about it they said nothing! My dealer then asked them what they (the dealer) should do when the hubs broke after the tractor was out of warrenty. New Holland's answer, "Replace the hubs & charge the customer"!! To my knowledge NH stopped making that model 3 years later.
I now own a 2005 NH TN70DA, 4wd, fel. It has 2800 hrs. & has gone through 2 hydraulic pumps which operates the loader & 3 pt. hitch. It's scheduled for the 3rd one tomorrow (1/4/11). Anyone else having pump problems with this or other NH tractors?

New Holland TS100A-cracking front hubs
New Holland Tractors
Replies 25 Post by spinfarm