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ChaplainManny

GT14 hydro pump and rearend

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ChaplainManny

Good afternoon brethren. 

I have a delemma. I have three GT14 hydro pumps, with rearend. 

I know the mechanical status of only one, the one I replaced on my running GT14. Although it moved forward and backwards, and had trouble going up a hill.

The other two pumps and rearends are on parts gt14s I bought. 

I have people asking if they're for sale. I don't want to sell them junk.

Is there any kind of test, or a way to check these for "good working condition"?

 

Thank you. 

Chaplain R.J. Manny Higgins 

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pfrederi

Sadly I do not believe it is possible with out them being hooked up to an engine.  Even if you rigged up some kind of belt to an engine all you would be able to test would be the charge pump pressure.  If valve plates were scored it wouldn't show up until you got it hot and put it under load

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ChaplainManny

Well poop!

Thank you sir!

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953 nut

Manny, the majority of GT-14s were worked hard and the wight of the tractor and attachments took a tole on the Sundstrands. The springs on the acceleration valves break and cause poor performance. If the pump is good and the acceleration valves haven't been damaged a few new springs will make it like new. In my case the valves were destroyed and I couldn't repair it, but made a discovery.  A Charger, Bronko  or Electro will have the same transmission with the exception of the final drive gear ratio and tend to be in better condition. I took a unit that was known to be good and changed out the output gear to fit it to the GT-14. Here is a thread on how it is done.

No special tools needed and once you get over the fear factor of working on a hydro it is not too bad a job. Check the manual to see what I am referring to on the acceleration valves, if they are good the whole unit is likely to be good.

Hope this helps.

God bless you.

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ChaplainManny

Thank you good sir! 

I wish I had someone like you who lived close to me.

I'd become your shadow watching everythingyou did!

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