[AT] Need help with newer compact tractor

Sat May 21 10:00:43 PDT 2016

Makes sense to me Cecil, both are hydraulically controlled, with mine I 
assume there is some sort of a torque converter in the transmission. 
Saves the clutch that's for sure. Coming from a Massey 255, I still find 
myself pushing in the clutch at times, old habit die hard.

Mike M

On 5/21/2016 12:34 PM, Cecil Bearden wrote:
> I know some may disagree with me, but the clutchless shuttle shift is a
> hydrostat as far as the oil is concerned.  That is what my New Holland
> TS110 is.  I have a noise when shifting between F&R now that the idiots
> at the Chickasha NH dealer had it apart.  I don't think it is because I
> topped it off with JT-5 when it was leaking at the loader cylinder...  I
> had added over 10 gallons of fluid due to a bad $50 hose on the baler
> that was made at the local NH dealer.  I replaced it with one from the
> Atwoods farm store for $20
>
> Cecil in OKla
>
>
>
> On 5/21/2016 10:43 AM, Mike M wrote:
>> Thanks for the input Cecil, it is a power shuttle, not a true
>> hydro-static. I can shuttle between forward and reverse in the same gear
>> and range without clutching.
>>
>> Steve that is the exact fluid I put in the tractor, and it had the
>> viscosity of motor oil. I know it's on the bottom of the cost spectrum,
>> but my tractor is not exactly high tech. It may be worth it to dump the
>> TSC fluid and refill with a good quality brand name fluid. It only calls
>> for a fluid change at 100 hrs and then every 1000 after that. Looking at
>> the cost of the tractor I probably shouldn't have scrimped on the fluid,
>> but the manual gave a list of brands and also said, "or any other fluid
>> that meets specs".  I tried to find the Shell Donax, which by the way is
>> no longer called Donax, but Spirax. I called Shell and asked for some
>> local distributors. They gave me 3 names, and no one even heard of it
>> let alone carried it.
>>
>> The tractor is under warranty and the service guys are great, but they
>> are a little stumped on this one, they are not sure why the hydraulic
>> oil is getting hot enough to fry the seals, at least in the power
>> steering box.
>>
>> What about a quality oil like Hy-Tran Ultra? pricey, but I believe it is
>> good stuff?
>>
>> Regards,
>>
>> Mike M
>>
>>
>> On 5/21/2016 8:06 AM, Cecil Bearden wrote:
>>> Here is a link to a description of Mobil 424 fluid.
>>> http://petroleumservicecompany.com/mobilfluid-424/
>>> Here is another one that indicates it is has the viscosity of 80W gear
>>> oil
>>> http://www.matweb.com/search/datasheet.aspx?matguid=34113f143db14c43b8a38babfe7172d8&ckck=1
>>> It first appears to be just a universal tractor fluid as it converts
>>> over to Chevron THF 1000.  However, when I read down into the specs on
>>> the Mobil, it states it meets API GL-4 80W oil for rear ends and it also
>>> states it is the same as a type A hydraulic fluid.  Type A is the old
>>> Dexron...  The 80W  viscosity interchanges to a 20W motor oil.
>>> That site has an interchange for many different oil brands. Shell Donax
>>> has 3 different types in that Donax listing.
>>>
>>> You do not say if this is a power shift hydrostat transmission  if so, I
>>> would use only the best oil I could find.  The newer pumps are pushed
>>> for all they are worth to get the pressures out of them.  It could be
>>> that the oil is not heavy enough and gets hot. However, I would think
>>> you would notice a drop in performance..
>>>
>>>
>>> Amazon has Mobil 424 fluid for $77 for 5gallons.   My TS110 New Holland
>>> requires Mystic JT5 which is $75 for 5gal, or I can get the New Holland
>>> oil for $85 /bucket..   I think it has got to where a good hyd oil is
>>> expensive...
>>>
>>> Cecil in OKla
>>>
>>>
>>>
>>>
>>>
>>> On 5/20/2016 1:11 PM, Mike M wrote:
>>>> So about a year ago I bought a Mahindra 4035 40 HP diesel tractor. I
>>>> starts, runs and works fine, but I've had some problems with leaks
>>>> lately. At the 100 hour mark Mahindra wanted me to change the hydraulic
>>>> filter, which sits on the side of the rear housing. I talked to the
>>>> service guy at the dealership and he said I'd lose about 2 gallons of
>>>> fluid when I did that, even with the one rear tire up on a block. It
>>>> holds 10 gallons overall, and TSC had their premium universal
>>>> hydraulic/transmission fluid on sale (which states it meets or exceed
>>>> Mahindra specs)  for $35 for 5 gallons. For me it seemed like a no
>>>> brainer to just dump the fluid and replace it rather that trying to
>>>> guess how much I'd lose.
>>>>
>>>> Everything went fine, I had to remove a side cover as well as the filter
>>>> to get to a screen they wanted to have cleaned on the first service
>>>> only. After that the tractor performed as it should but after about 50
>>>> hours I've started to develop leaks in the hydraulic system. They fixed
>>>> one by a large square diverter valve under the tractor and today they
>>>> are fixing another leak from the power steering block up by the steering
>>>> wheel.  I called today and talked to the service guy and he says they
>>>> are puzzled because the leaking o-rings they are looking at today appear
>>>> burned, as if exposed to excessive heat. Another concern that I brought
>>>> up to them is that the loader doesn't seem to have quite the lifting
>>>> capacity as when it was new.
>>>>
>>>> My question is, can fluid cause these type of problems? In the manual
>>>> they call our for Mahindra fluid, Gulf Universal Tractor Transmission
>>>> fluid, Mobil 424, Shell Donax and a few others, all of which are nearly
>>>> impossible to find.  Can a fluid be SO wrong that it would cause
>>>> problems? Right now they are looking at anything that might be causing a
>>>> continual "deadheading" situation, but with that little 3 cylinder
>>>> diesel I think I would notice that.
>>>>
>>>> Any and all thoughts greatly appreciated.
>>>>
>>>> Regards,
>>>>
>>>> Mike M
>>>>
>>>>
>>>>
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