B9200 broken trans case

Northerner20

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Kubota b9200hst
Nov 2, 2024
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Michigan
Hello everyone I’m new here and just purchased my first ever tractor. It’s a small one and judging by the difficulty finding any repair I for for it it’s also an uncommon unit. It’s a b9200hst4wd diesel. And the mid pro shaft separated due to the mower deck dropping allowing the yoke to smack the side of the trans housing and blow a golf ball size hole in it. I can’t seem to find a work shop manual for it anywhere or any videos showing the separation procedure. Does anyone have any ideas what seperation entails? Thanks in advance. Hoping to weld the case back up but definitely want to have it on the bench for it.
 

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PoTreeBoy

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Thanks I’ll check it out. I looked there but there’s no shop books for the 9200 or the 8200
Joe Smith's thread is quite a saga, but you might gain from it to decide to epoxy patch your case rather than try to weld it up. Stop drill and grind out any cracks before patching.

If you decide to totally disassemble it, you may want to consider replacing the case. There are a few people on here that part out various models, that may have one.
 

Northerner20

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Kubota b9200hst
Nov 2, 2024
17
8
3
Michigan
Joe Smith's thread is quite a saga, but you might gain from it to decide to epoxy patch your case rather than try to weld it up. Stop drill and grind out any cracks before patching.

If you decide to totally disassemble it, you may want to consider replacing the case. There are a few people on here that part out various models, that may have one.
My biggest concern is that when I dropped the mid pto there were chunks of aluminum collected in it and I’m assuming there are some in the forward part of the case as well. Also if you look in the photo there are cracks that have went to the stud hole. My first plan was to use 3m structural epoxy which I bought and was quite pricey and when I saw the crack into the stud hole I thought to tug weld it. I found a case at a dealership that was pretty expensive, here’s the photo of the crack
IMG_0132.jpeg
 
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DustyRusty

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No question about it, you need a new case or a used assembly. I think that you will be better off with the used assembly because you will need a lot of new parts to put that back together with a new case.
 
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Northerner20

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Kubota b9200hst
Nov 2, 2024
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Michigan
No question about it, you need a new case or a used assembly. I think that you will be better off with the used assembly because you will need a lot of new parts to put that back together with a new case.
Thanks for the info. No offense but why wouldn’t I be able to transfer all the internals to a new case. Also do you think the weld wouldn’t hold?
 

DustyRusty

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Cast iron is extremely difficult to weld, and I have heard of some new epoxy glues that some have used with good results, however, I know that people never talk about the failures usually. As for transferring the internals, you will need to know how to set up the gears, which will require shimming and the use of dial indicators being mounted on the case and putting paint on the gears to get the proper contact and backlash. If you have ever set up a differential in a car or truck, you will know what I am referring to. It is tedious and sometimes frustrating to take it apart multiple times until you get it set correctly. If you feel that you are up to the task, then I say go for it. I do know that in most dealerships that work is usually left to the one person that does them all because they have the experience.
 

North Idaho Wolfman

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Thanks for the info. No offense but why wouldn’t I be able to transfer all the internals to a new case. Also do you think the weld wouldn’t hold?
You really need to give me another picture zoomed out so I'm sure I'm pointing to the right case.
But I do believe this is what you need.

Splitting it is fairly simple you would split it right behind that case then in front of that case to remove it.
I have a B8200HST manual which for this purpose will work.

I personally would get a new / used case, as the welding on it would be rather difficult due to the cracks.

The one you need is P/N 67111-11114

But I do believe this case would work: P/N 67111-11110

All the internal parts will swap right over with no issues, you do not need new internal parts unless something is damaged.
 
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North Idaho Wolfman

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Cast iron is extremely difficult to weld, and I have heard of some new epoxy glues that some have used with good results, however, I know that people never talk about the failures usually. As for transferring the internals, you will need to know how to set up the gears, which will require shimming and the use of dial indicators being mounted on the case and putting paint on the gears to get the proper contact and backlash. If you have ever set up a differential in a car or truck, you will know what I am referring to. It is tedious and sometimes frustrating to take it apart multiple times until you get it set correctly. If you feel that you are up to the task, then I say go for it. I do know that in most dealerships that work is usually left to the one person that does them all because they have the experience.
It's not cast iron, it's aluminum!
You have never been in a Kubota transmission have you?
There is NONE of the issues you are pointing out, NO backlash, NO timing, NO clearance issues, NO shim issues what so ever.
The cases are machined to accept all the parts without pressing any parts, or and special tools or set up.
It's as simple as pull the parts out of one case and reinstall them in the other case.

FYI: I have a L3450GST with a cast iron transmission, that the entire transmission had all of the internal webbing broken from a mechanic that didn't know how to assemble it.
The webbing supports the bearings and shafts
After searching high and low for a case that was unobtainable I had the case welded, that was 10 plus years ago and I've never had an issue with it since.
So welding a transmission is possible with success!
 
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JRHill

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It's an aluminum casting from the picture. The gear case on my Kubota is aluminum as well.... It's possible to weld, esp something like a crack. But a lot is going to depend on the puzzle of pieces and any small pieces are gonna be a nasty as they are going to disappear when the arc gets to them. And that's a big golf ball sized hole.

It's an unfortunate failure but you'd be way ahead finding a replacement case or whole gearbox.
 

Northerner20

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Kubota b9200hst
Nov 2, 2024
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Michigan
You really need to give me another picture zoomed out so I'm sure I'm pointing to the right case.
But I do believe this is what you need.

Splitting it is fairly simple you would split it right behind that case then in front of that case to remove it.
I have a B8200HST manual which for this purpose will work.

I personally would get a new / used case, as the welding on it would be rather difficult due to the cracks.

The one you need is P/N 67111-11114

But I do believe this case would work: P/N 67111-11110

All the internal parts will swap right over with no issues, you do not need new internal parts unless something is damaged.
IMG_0103.jpeg
 

Northerner20

New member

Equipment
Kubota b9200hst
Nov 2, 2024
17
8
3
Michigan
You really need to give me another picture zoomed out so I'm sure I'm pointing to the right case.
But I do believe this is what you need.

Splitting it is fairly simple you would split it right behind that case then in front of that case to remove it.
I have a B8200HST manual which for this purpose will work.

I personally would get a new / used case, as the welding on it would be rather difficult due to the cracks.

The one you need is P/N 67111-11114

But I do believe this case would work: P/N 67111-11110

All the internal parts will swap right over with no issues, you do not need new internal parts unless something is damaged.
I already checked with kubota and it’s a 11114
 

Northerner20

New member

Equipment
Kubota b9200hst
Nov 2, 2024
17
8
3
Michigan
You really need to give me another picture zoomed out so I'm sure I'm pointing to the right case.
But I do believe this is what you need.

Splitting it is fairly simple you would split it right behind that case then in front of that case to remove it.
I have a B8200HST manual which for this purpose will work.

I personally would get a new / used case, as the welding on it would be rather difficult due to the cracks.

The one you need is P/N 67111-11114

But I do believe this case would work: P/N 67111-11110

All the internal parts will swap right over with no issues, you do not need new internal parts unless something is damaged.
All of them I found were 850$ I was hoping to find a used one
 

North Idaho Wolfman

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The difference between two cases is more than likely nothing that will effect you.
Might just be a plug size or something simple like that.
The reason I know the difference is minor is that the cases both mate to the same rear case and same HST case.
Yes Kubota is going to tell you that only the 11114 case will fit it, it's just the way they do it.
But it's rarely the case.
Kubota had a habit in these years to make a newer case fit for and older cases use.
A lot of parts cross over and have minor differences that do not effect operation, or install.
For example there are 10 different rear case numbers for the B7100's but all of them will cross over.

But if your dead set on the 67111-11114 case:

 
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Russell King

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There are a couple of members that may be able to help
@007kubotaguy has a salvage yard in California but he may only have L series parts.
@Mountainman has a salvage yard for B series see the link below

There is also All States Ag that might be able to help

Good luck.
 
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jaxs

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Jun 22, 2023
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The difference between two cases is more than likely nothing that will effect you.
Might just be a plug size or something simple like that.
The reason I know the difference is minor is that the cases both mate to the same rear case and same HST case.
Yes Kubota is going to tell you that only the 11114 case will fit it, it's just the way they do it.
But it's rarely the case.
Kubota had a habit in these years to make a newer case fit for and older cases use.
A lot of parts cross over and have minor differences that do not effect operation, or install.
For example there are 10 different rear case numbers for the B7100's but all of them will cross over.

But if your dead set on the 67111-11114 case:

You unselfishly share technical information daily that isn't available elsewhere even if people are willing to pay for it. Thank you on behalf of all those you help,,,,,,however I believe you deserve a little more reward than gratitude. I'm not suggesting you sell advice on OTT , keep up your good work. What I Invision is ,a for pay service to an aftermarket parts outlet, new and/or used. If I was in the business I'd consider money well spent to have your assistance. Rhetorical question, "how many times on any given day do countermen unwittingly let business walk by saying they don't have what customer needs"?
 
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Mountainman

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There are a couple of members that may be able to help
@007kubotaguy has a salvage yard in California but he may only have L series parts.
@Mountainman has a salvage yard for B series see the link below

There is also All States Ag that might be able to help

Good luck.
Thank you sir. I do have a good case
 

Runs With Scissors

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and blow a golf ball size hole in it.
I'm just glad I don't have to carry your golf bag....Cause if that's the size your your golf balls, your clubs must be Yuge!!!!!

Is this you?

1730628066042.png
 
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