ATC terratrac parts

Jonathanweaver · Jul 27, 2020

Hey all. I'm looking for some transmission gears for an ATC Terratrac 556. Does anyone have or know of some or know of some cross reference to another model that would work.

J. Schwiebert · Jul 28, 2020

Send me an e-mail

Jonathanweaver · Mar 31, 2022

Still looking for some transmission gears. third gear to be specific. any lead on something would be helpful or something out of another tractor that would work

Jo Bird · Mar 31, 2022

What does it have for a transmission ?

Jonathanweaver · Mar 31, 2022

(quoted from post at 05:32:32 03/31/22) What does it have for a transmission ?

I believe it is thr same transmission as a case 310. It's all integral to the final drive assembly

Jo Bird · Mar 31, 2022

Then it would be Four gears (1-4) plus reverse (R) in three ranges (low, direct, high).
The link below shows this set up :
http://www.tractordata.com/farm-tractors/000/4/6/461-ji-case-310-transmission.html
Does your transmission look like it has this ?

WilBury · Mar 31, 2022

Actually Jo Bird, we're talking crawlers here.
Same transmission to be found in all Case 300 series crawlers. Aftermarket stuff is expensive & iffy at best. Search the net and salvage yards by part number for best results.
Third gear!!?! Can just about do without, no?

Jonathanweaver · Mar 31, 2022

Mine is 3 speed with reverse. It is a crawler not a conventional tractor. I replaced 2 other stripped gears with gears from a 310 crawler.

Jonathanweaver · Mar 31, 2022

Yes. I'm about ready to put everything back together so I figured I would give it one more shot

WilBury · Mar 31, 2022

I'm certain you'll find something if you look a little further. Hey, some Olivers have the same tranny too!

Tried third gear just for sh!ts & giggles once but unless you're goin' coast-to-coast...

This post was edited by WilBury on 03/31/2022 at 05:14 pm.

Jonathanweaver · Mar 31, 2022

Do you happen to know what models

WilBury · Mar 31, 2022

No, but I bet if you try in the Oliver forum you'll get a quick answer on your Clark wet-brake transmision/differential.

This post was edited by WilBury on 03/31/2022 at 05:21 pm.

WilBury · Mar 31, 2022

The brake drums & bands don't match but the transmission & diff are the same.

Jo Bird · Apr 1, 2022

(quoted from post at 00:54:56 04/01/22) Actually Jo Bird, we're talking crawlers here.
Same transmission to be found in all Case 300 series crawlers. Aftermarket stuff is expensive & iffy at best. Search the net and salvage yards by part number for best results.
Third gear!!?! Can just about do without, no?

ctually WilBury, I knew he was asking about a crawler, but he also mentioned a tractor as a possible donor for transmission parts in his previous post and i was investigating that possibility before you chimed in. Whether or not, you know it, several other major brands, like JD and International also built crawlers using wheel tractor transmission parts, back in that era, now whether Case did or not is the question.

This post was edited by Jo Bird on 04/01/2022 at 06:41 am.

WilBury · Apr 1, 2022

I didn't mean to put you down Jo Bird, just trying to help the OP.

Jonathanweaver, it does look like the aftermarket parts are a good deal, however check them carefully if you get them & be prepared to return. These guys are "UN-Reliable"

https://www.ebay.com/itm/11374-D373...ader-Dozer-310B-350-350B-/324023517641?_ul=IL

https://www.ebay.com/sch/m.html?_ss...046732.m570.l1313&_nkw=11375&_sacat=0

I bought a diff from this gentleman, might be worth a call. Your gears are shown bottom right pic.

https://www.olivercrawlers.com/miscellaneous-1a

Good luck!

This post was edited by WilBury on 04/01/2022 at 07:48 am.

ATC terratrac parts

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