1086 TA Use Question

2510Paul

Well-known Member
I was driving a 1086 for hauling haylage on the hilly roads of Western WI. What are the rules for using the TA?

I understood at one time that you could not shift the TA up if you were not pulling. Of course then the TA's coasted in low. On the 1086 the TA does not coast in low.

Also, please confirm but I am assuming if the clutch in pushed in you can shift the TA in either direction without fear of damage. Correct?

I had a lot of steep hills to negotiate with big loads and the TA was useful getting started and not having to come to a complete stop to shift when dealing with the hills, up and down.

Thanks.

Paul
 
You can run it all day in Hi or Low TA.

The main thing is "do not use it as a brake" (if you are in low TA going down a hill is OK), but don't pull it back to slow the load half way down.

Shift it fast, like you are mad at it, don't try and ease it in.

You don't have to use the clutch anytime, but I usually do if I'm in H4 pulling a heavy load just because it doesn't slam the load so hard.
 
well let me weigh in on this as i have a WEEeeeeee bit of knowledge here on this . (1) you can up shift anytime you feel like it with out the clutch (2) when you need extr pullem power you can pull the lever back with out the clutch . BUT NEVER NEVER USE THE LOW SIDE AS A JAKE BRAKE TO HOLD BACK BIG LOADS going down hill . They will take it for awhile but you will end up taking out the sprag in the t/a . My one buddy's oldest son put the whizzy to the T/A in the 1066 buy doing that pulling BIg and i do mean BIG loads of silage over our humps and bumps just like he trashed out the over under in his uncles 2255 oliver hauling from the same farm over the same hills . Would not listen and just drop down to third and run third NO we got to go just as hard as it will go and wanted me to put more juice to the 1066 because it was having a hard time pulling 35000 lbs or more . even the Mack with the 350 required dropping to second on the hills .
 
TAs are pretty straightforward and robust. They'll even take being abused up to a point. For example, one mistaken minor "jake brake" application won't take the TA out unless it was ready to let go in the first place.

95% of the time when a TA goes out it is from DECADES of wear and tear, not some weakness. The other 5% is split between bad installations and abuse.

Don't be afraid to use it. On a tractor like the 1086, it will last twice as long if you use it regularly, because you're not wearing on one "side" of the TA all the time. Just use direct and TA (the correct terms for "high" and "low") like regular gears, though you will tend to want to stay in direct so you have TA to fall back on in a tough spot.
 
Have ya ever seen the input shaft twisted off from pulling it into low while going down a hill while being pushed by a load , i have twice , one was in a 766 GASSER and the other was in a 1466 . them input shafts are not that big in relationship to the shafts in the transmission or axle shafts . next time your looking at a T/A take a long look at the INPUT shaft.
that LITTLE shaft can take alot but it can twist off and the same goes for the sprag . and if you have never pulled big full silage wagons over hilly ground you get and education real fast . The wagons my two friends have are really to big for what we have to DRAG them with . Even the 84 Mack DM 600 with the 350 Hp Mack engine with the box that is just two feet longer will bring her down to second gear from forth gear and most times you do not have the time to try and grab third . each year corn choppen means i will be fixing something . A 13- say 18000 Lb tractor pulling 35000 lbs being pushed and pulled and jerked on takes it's toll .
 
Yeah I just put a jar up there by the T handle and every time you pull the lever back through throw some money in it because the TA is made out for a load not going down the hill and holding it as a break I've seen a lot of them go out because of abuse Yeah just like the last guy said Twist input shaft off I've seen that happen beforeand when you have a back and going down a hill can you start herein humming noise with the TA back that means your TA clutch is your Slippin there's only two clutchs in there i've seen Teays last up to four years and guys never had a problem long as they got good hydraulic pressure and will use them like they're supposed to
 
Yes, if you jerk the TA back because 35000lbs is pushing you too hard something's gonna give.

All I said was a MINOR "jake brake" application won't be the end of the world. Such as going just a little too fast rolling into the driveway.

Some people think TAs are made of glass and break if you look at the lever the wrong way.
 
Thanks everyone for your responses. They were helpful. Just a point of clarification, the haylage wagons I was pulling were older self (front) unloading boxes. Two were Knight boxes with tandem gears and one was a smaller John Deere box, maybe a 714A. I don't know the weights but I don't think they were anywhere near 35000 lbs. This was still first crop as it rained here so long the farmers are finally able to get in the fields.

The transmission was noticeably noisier when in "TA" vs "Direct". I assumed this was normal.

Thanks again.

Paul
 
Some make a bit more whine others not so much. Use it for all occasions except as an actual brake. Slowing down at a headland in a field is not a brake, Jim
 
Thanks. I used this tractor to rake with a 5 on a side (10) wheel V-Rake and I did use the TA at the end of the field to slow down to make my turn. Again Thanks.

Paul
 
You can tell by the sound the tractor makes if you are pushing the enveolope. If you pull the TA and hear a long "RRRRRRRRRRRRRRRR!" from the engine, you're playing with fire. On the other hand if you pull it and it just gives a quick "UNH" you're fine.
 

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