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Discussion Starter · #1 ·
Hi all,

I'm looking at ordering a replacement K46HD transaxle for my LT190 directly from Tuff Torq: http://www.tufftorqservices.com/cgi-bin/tts.storefront


I notice they have three different versions to choose from, based on the serial number of the original transaxle:

Select Your Serial Number Range
K46HD 0000001-0011555
(K46HD-JOHN DEERE / 7A646084040)

K46HD 0011556-0012759
(K46HD-JOHN DEERE / 7A646084040)

K46HD 0012760-9999999
(K46HD-JOHN DEERE / 7A646084040)


The price for each choice is basically the same.

I'm confused by this. The JD part number is the same for each of these three choices, which I would think means any one of these would work in any LT190.

My original transaxle has serial number 0002678, so technically I should purchase a replacement from the first range.

But I'm wondering if maybe there have been improvements made in the design in later units, in which case it would be better to order a replacement from the last range.

Any thoughts???

Thanks!
 

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Discussion Starter · #3 ·
more than likely the differences are somethign minor but may mean older serial numbers need extra parts to make the new one fit. like a different linkage bracket or something.
Thanks, David.

So you'd recommend buying one from the serial number range that matches my original trans, correct?
 

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I would send an email to their tech dept and ask. THey are very knowledgeable and usually answer in a day or two.
 

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The Magnificent
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Day late and a dollar short, but if you have ever dreamed of a diff-lock, you could ask if that option is available to you in a case that would bolt in? You would have to fab a lever, but a diff lock would be sexy.
 

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Discussion Starter · #7 ·
Wow, talk about customer service!

I got an email reply to my question in less than 5 minutes.

And the answer is, order from the correct serial number range because there could be minor differences in how connections / linkages are set up.



Email sent. Thanks for the suggestion.
 

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Good luck getting your '90 going again. I guess i should have done your research before diving into my project. :banghead3

I couldn't help but notice those rebuild kits tuff-torq sells for the K46's . Hmmmmmm. Maybe next time around.

Let us know how it all turns out.
 

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Discussion Starter · #11 ·
Good luck getting your '90 going again. I guess i should have done your research before diving into my project. :banghead3

I couldn't help but notice those rebuild kits tuff-torq sells for the K46's . Hmmmmmm. Maybe next time around.

Let us know how it all turns out.
I saw the rebuild kits too. I wonder how hard it is to rebuild a trans?

Given that the price difference is around $300 I might just bite the bullet and buy a new transaxle.

Maybe at some point I'll also buy the rebuild kit. Then (if I'm successful) I'll have a spare transaxle, or maybe sell it to offset the costs.

As far as my 'research', I wish I had started it sooner. I let the local JD dealer pick up my tractor and futz with it for over a week. They replaced the drive and deck belts, soaked me for over $400, and claimed everything was fixed. It wasn't. :crybaby:
 
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