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Farmall & IHC Tractors Discussion Forum
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TA troubles on 966 and 1086

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Hossw

06-12-2006 20:14:47




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Had a pull this weekend with my 966, different set of tires, clay track, good bite, only one problem. Rolling along just fine, from the seat, it looked like the tires stopped for a second, then it grabbed a hold again and the front end went up, put my footprint on the moon, wet myself, chirped the turbo, came back down. Everybody says it was the TA. Went back around hooked again, this time with TA on low side never hiccupped once. Checked the lube pressure at the oil tellite port, 22 psi, down to zero when clutch pushed in, back to 22 psi when the clutch is let out. Put guage on the power steering safety relief valve port, and read 250 psi whether in low or high side. took it out on the hill in road gear, mashed on the brakes and guage still held 250 psi on both sides. Just need to know if TA is out, do I dare run another pull and do it in to be sure, run on the low side, or quit dreaming and just buy a new TA. If thats the answer, so be it, now where is the best place to get one, and what is the best to get? Priced a HD hy-capacity at dealership, $666.


One more question, Dad was spraying today with his 1086, started growling in the high side, and even pulls down the engine some, when he runs on the low side its perfectly quiet. When he pushes in the clutch on the high side, the growling stops. He said every once in a while it would clunk and jerk too. With a sprayer, that"s not much of a load, any ideas here?

Thanks in advance,

Hoss

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the tractor vet

06-13-2006 05:25:36




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 Re: TA troubles on 966 and 1086 in reply to Hossw, 06-12-2006 20:14:47  
Need more info , as like about how many ponys you are putting out ??? 250 lbs lock up pressure is fine for a regular farm tractor even if your running a littel over 250 hp. But now if you are running a charger and a turned up pump and pushen over the 250 mark then well it may have sliped you can add a pressure reg. springs from a 15 and bump the lock up pressure up to around 285-300 . But if you are maken some real good power out of it then the T /A will not hold and it is time for the big input shaft and NO T/A along with the lower countershaft support . As far as the 1086 i am not sure as to the problem there as i can not do some checking myself .

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hossw

06-13-2006 15:24:21




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 Re: TA troubles on 966 and 1086 in reply to the tractor vet, 06-13-2006 05:25:36  
Best guess right now is about 400-450 HP. Probably unrealistic to think I don't need to replace it. Is a HD Hy Capacity an okay outfit to run....guys are about 50-50 as far a Hy-Capacity or Allied. I think the allied is about 750....with lower support around 1000. What's your opinion? Thanks for the reply!


Hoss



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hossw

06-13-2006 19:55:36




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 Re: TA troubles on 966 and 1086 in reply to hossw, 06-13-2006 15:24:21  
I've seen a lot of your answers on this forum and have always found them to be true. I fully agree with you...just hoping for an easy cheap way out, but I have found that there are no cheap easy fixes when it comes to tractor pulling. I priced a TA eliminator kit for roughly 400 bucks, but I don't really know which way to go...in the end it is the same amount of labor, but I don't want to experiment with 1000 dollar TA's either. Probably go with the HC, seems to be trouble free as compared to IH "mechanical diode" overpriced TA. Thank you much sir. Interesting what a guy can tear up playing the big boy games. Thanks again. Hoss

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the tractor vet

06-14-2006 06:57:08




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 Re: TA troubles on 966 and 1086 in reply to hossw, 06-13-2006 19:55:36  
One other thing ,are you still running the small stock 966 clutch and flywheel???? If ya are then this may be your problem as it may be main clutch slipage and you can change that and go with a 1066 -1466 hd clutch with a 6 pad set up or even a 8 pad . (66's had a bunch of clutch problems as that 12 inch was not enough clutch and i have done a few changes over the years to the 14 inch .



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Hossw

06-14-2006 15:35:36




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 Re: TA troubles on 966 and 1086 in reply to the tractor vet, 06-14-2006 06:57:08  
Got that covered, changed the clutch this spring to a 14" 15 spring with 6 pad and 2800 lbs of spring pressure. Another guy told me it could have been a momentary loss of oil pressure, probably not, but how about your thoughts?

Hoss



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the tractor vet

06-14-2006 17:01:29




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 Re: TA troubles on 966 and 1086 in reply to Hossw, 06-14-2006 15:35:36  
Don't know on that one as i was not there . But change the pressure reg . spring and try and get the pressure up to 285-300 and give her a try . Good luck.



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the tractor vet

06-14-2006 06:50:23




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 Re: TA troubles on 966 and 1086 in reply to hossw, 06-13-2006 19:55:36  
Now keep in mind that if you put the elinator kit in it that that will still be a small shaft that is only about one inch or so in dia. As with putting that much power thru that shaft i don't know if or how long it will hold up . Then the next thing i would be worring about is the main clutch and flywheel if you are running over 3000 grand . Today ya just can't have fun with a basic out of field tractor and turn the screw and have fun . Ya have to build it all or nothing and the cost is way out of my line . Heck ya can't even have fun in the socalled stock antique class with out spending a ton of money , 16 years a go will i was tryen to figure out if i wanted to spend the money on a set of 16.9x38 tire for my bone stock S/MTA so i could keep up with the Jones when i put the 16.9's on that winter everybody was building bigger engines well i had the tires but got blowen out of the saddel at the first pull as everybody had a 100 horse on me , SO as they say if ya can't run with the BIG DOGS STAY ON THE POURCH and found that it was cheaper to do so a lot less fighten and fudden .

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thetractor vet

06-13-2006 15:51:04




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 Re: TA troubles on 966 and 1086 in reply to hossw, 06-13-2006 15:24:21  
I sold Hy Cap for years and never had one problem with any of there stuff , One time allide stopped by and tryed to get me to go with them and when i asked about there warranty and who was going tot pay me if and when something did fail to replace it and he told me that they did not pay on the labor and just and exchange on the parts maybe if it was there fault and he was just to cockie for me to deal with and i ran him out the door and i think there was some words spoke as to the fact and don't ever come back. Now if you are getting what you say your getting myself neither one will hold that much for long and like i said it is time to go with a stright shaft and make more ponys under the hood . Now if ya can run 4th high in the high side then i would be going with a slipper clutch and forget about the T/A . Now like i said ya can up the pressure reg. springs only sofar before ya BLOW THE MCV off the tractor .

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