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Tractor Talk Discussion Forum

What is T/A?

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db72

05-27-2005 16:40:50




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Can someone explain the abbrevation T/A or ta? I'v noticed it while reviewing the Photo Ads. I am assuming it is refering to the transmission but im not sure.




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NC Wayne

05-28-2005 18:54:15




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 Re: What is T/A? in reply to db72, 05-27-2005 16:40:50  
Taking into account what your talking about the other posts are right on the meaning. One thing that the others missed that it can also mean when your reffering to any type of equipment is Turbo/Aftercooled meaning just what it says, the engine has a turbocharger with an aftercooler.



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720Deere

05-28-2005 13:03:40




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 Re: What is T/A? in reply to db72, 05-27-2005 16:40:50  
All good explanations, but I can't resist. If you have a bad one, it stands for "Terrible Accessory". The T/A on early tractors was not as good as the later versions. If you left it in the low side on an early tractor and went down a hill, good luck to you! The low side does not hold back it will freewheel. Couple this with those lousy brakes that they had and you're in trouble.

We had a kid remember to put the t/a in direct a little too late on a 560 one time. That was not a cheap one to fix! He started down a long hill with a load of ensilage and it started to freewheel. When the brakes would no longer hold it, he dropped the t/a and set off the grenade effect.

I never had any experience with the 06, 56, 66 & 86 series t/a, but I do have bad memories of the early ones.

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ironpeddler

05-28-2005 16:39:35




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 Re: What is T/A? in reply to 720Deere, 05-28-2005 13:03:40  
Turn Around and run



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Allan in NE

05-28-2005 08:57:39




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 Re: What is T/A? in reply to db72, 05-27-2005 16:40:50  
I really wonder if we get a "bad taste" in our minds about the T/As 'cause we deal in a lot of very old iron. 'Spose?

I'm 60 years old, have been around IHs all my life and have only seen one that was sour. Yep, one that I had bought from someone else.

Actually, they are quite tough unless ya try to save a few dollars and put in the cheapy rip-offs.

Just My View,

Allan

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txgrn

05-28-2005 16:34:05




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 Re: What is T/A? in reply to Allan in NE, 05-28-2005 08:57:39  
Now Allan, you know as well as I that you just used this as an excuse to show off your new restorations. LMAO.

You could have made the paint shinier. Then I could have done a better job of making you out in the reflection when you snapped the picture. Grin..... .seriously, very very nice. Know you are tickled pink.

Mark



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benuk

05-28-2005 08:04:11




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 Re: What is T/A? in reply to db72, 05-27-2005 16:40:50  
It is a lever that you can move from fast to slow etc without stopping and without depressing the clutch, not the same as a hi-lo box

So for example you could put your tractor in top gear and low on the ta to get you going on the road and then once your shuffling along pull the ta up to high (without clutching) and you will go faster basically! Its like another gear. Useful when it works but ive heard the ta can be a barstard. Its IH's name forthe same thing as MF's multipower.

(search at the top of this page for multipower and you should get some good descriptions of what it does - its the same thing)

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txgrn

05-28-2005 05:35:13




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 Re: What is T/A? in reply to db72, 05-27-2005 16:40:50  
T/A is an advertising gimmic used by B.F. Goodrich on their tires standing for "The Advantage". Har Har..... ..sorry couldn't resist.

Go to the Red board if the guys don't give you the answer you want.

Mark



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J. Schwiebert

05-28-2005 01:47:25




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 Re: What is T/A? in reply to db72, 05-27-2005 16:40:50  
The T-A which stood for Torque Amplifier can be shifted on the move. International introduced it in the Super M models over 50 years ago. However the early Super M tractors do not have it. The slogan was, "you can do more in a day with T-A".



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ErnieDD

05-27-2005 17:12:48




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 Re: What is T/A? in reply to db72, 05-27-2005 16:40:50  
torque amplifier was what international harvestor called them. pull the lever and the ground speed slows and you keep moving. get to easier going and flip back to high speed.

multipower was massey

ford and allis had a similar set up



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db72

05-28-2005 01:25:34




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 Re: What is T/A? in reply to ErnieDD, 05-27-2005 17:12:48  
O.K. now I'm confussed. Is that the same thing as the Hi/Low lever e.g. the sherman trans. on a Ford N model? Or is this a lever you can switch or pull while the tractor is still moving?



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Gerald J.

05-28-2005 10:30:52




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 Re: What is T/A? in reply to db72, 05-28-2005 01:25:34  
Its not like the high/low of a Sherman transmission or in some other tractor transmissions. Its not a wide range, but a small change, it splits the gears, its not as much change as shifting transmission gears.

Gerald J.



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paul

05-28-2005 08:27:14




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 Re: What is T/A? in reply to db72, 05-28-2005 01:25:34  
TA is the IHC version of a hi-low deal. The TS you can shift up or down while on the fly, no cluctching required. The Ford conversions you mentioned still needed the clutch, stop moving, to shift.

The TA does tend to go out rather often, you kinda assume they are in poor condion when you buy one..... The good news is that is is one of the cheaper & eisier hi/lo setups to repair.

--->Paul



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RickB

05-28-2005 02:50:29




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 Re: What is T/A? in reply to db72, 05-28-2005 01:25:34  
Torque Amplifier, Multi-power, Amplitorque, Power Director and Dual Power all are shift-on-the-fly partial range power shifts. Sherman, Hupp and Howard auxiliary transmissions require a clutch and stop to shift.



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John F. Douglass Farms

06-29-2005 19:57:55




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 Re: What is T/A? in reply to RickB, 05-28-2005 02:50:29  
Note' When the Torque Amplifier or TA is engaded or pushed forward the tractor will hold back. On small Tractors Like say a 666 and down when the TA is pulled back to slow your ground speed and add torque, the tractor will "free wheel" on say a hill. It will not hold back. On larger tractors, say an 856 when the TA is pulled back the tractor will only be held back if the engine is running at a low speed. it will not if it is being run at a high RPM. On your big tractors say a 1466 it does not matter. The TA will hold back at all times. Thank you

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