Broken 410B bucket side link

tweaver · May 20, 2021

Hi all,

new to the forum so hopefully I get this right. I busted a bucket side link on my 410B and I can’t find a spare in New Zealand.

Does anyone happen to have dimensions of this part so I can try and make one? I didn’t bring the good one home from the farm with me. Thanks!

mg2361 · May 20, 2021

Welcome to HEF tweaver

!

There is no dimensional drawing available that I know of. You will either have to copy the good one on your machine or contact your Deere dealer and ask them to open a DTAC case asking them for the dimensional drawing.

Willie B · May 20, 2021

I have 410C but my links look very different.

Delmer · May 20, 2021

You got nothing to lose by welding up the old one. preheat in the oven, peen the welds as you go, cover in dry ashes to let it cool after welding.

lantraxco · May 20, 2021

Cast, I don't remember if those are steel or ductile. If it looks like steel, a modified stainless like Eutectic 680 would be my choice to try and weld it up.

Willie B · May 20, 2021

lantraxco said:
Cast, I don't remember if those are steel or ductile. If it looks like steel, a modified stainless like Eutectic 680 would be my choice to try and weld it up.

I would cut away enough material to "Butter" both broken surfaces with 312 stainless TIG. It won't happen quick. Puddle in center, then grow the puddle to coat the whole surface. Once both surfaces are coated, you can continue with stainless, or switch to cheaper rod.

I don't know, I believe JD doesn't use anything so exotic a well shaped joint can't be welded with 7018 stick.

lantraxco · May 20, 2021

Interesting concept, I'll have to try it sometime!

The reason I love the Eutectic 680, it's high nickel content, runs damn cold and has great ductility. I've successfully welded leaf spring main leafs with it years ago, I'm still impressed. Mind you that doesn't mean you can't weld anything Deere made or makes with 7018, it is my go to rod for field repairs and many shop jobs. Sometimes I go with the belt and suspenders plan though! YMMV

tweaver · May 24, 2021

Thanks for the response all. Unfortunately it was stuck pretty bad in the mud and the link broke during the process and I can’t find it anywhere. Called the dealer and they don’t have any knowledge of the part number (must be a New Zealand thing).

Can someone confirm for me the pin diameter? 1.5”?

Delmer · May 25, 2021

borrow a metal detector

lantraxco · May 25, 2021

Old
LINK Part Number T34427
New, order 2 to match if replacing T34427
LINK Part Number AT80539

Pin-bucket end Part Number T125931
Pin-link end Part Number T34428

https://www.ebay.com.au/itm/232247206326?hash=item36130321b6:g:55sAAOSw~AVYq00r&frcectupt=true
https://www.brokentractor.com/p/john-deere-backhoe-bucket-link-at80539-at80539/
https://tractorzone.com/at80539-link-tz2/

Spacer tube for the bucket end is listed as 1-1/2" X 6"

tweaver · Oct 31, 2022

Thanks for the info lantraxco. I ended up buying some time at the local machine shop and making two new links of my own. Finally back up and running, spent a few hours on the weekend pushing dead trees over which was good fun.

lantraxco · Oct 31, 2022

Broken 410B bucket side link

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