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Discussion Starter · #1 ·
Hello,

Looking at upgrading my X320 from K58 to a K66.

Question about K66 trans. I found a used K66M which Tuff Torq told me had the drive backwards - I push forward and it would go in reverse, and vise versa.

Anyone know if it's possible and/or how hard it would be to change this so it works correctly? I thought I remember seeing a post about someone putting a particular part it backwards accidentally and creating this effect.

The K66 would probably need rebuilding so I would be inside of it anyway. Just not sure if it's possible or cost prohibitive.

Thanks!

Todd
 

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Yes it's possible, the Tuff torq site is down for now and I can not confirm if the K66M have the good upper casing to fit your tractor and at same time show you the part you need to flip to get that result.
 

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Discussion Starter · #4 ·
Thanks!

I live in Houston and initially thought it would be easy to get a rebuild-able core from a JD dealership. After calling a few and telling them what I was doing they lost interest pretty quick, even though I would need parts for the conversion they were not helpful.

So when I started looking non local and found a used one for $75 I was feeling lucky. It was in another state and I would have to have it shipped but seemed worth it. After talking to Tuff Torq and they said the drive was backwards I gave it up for a while.

I figured if anyone knew if this could be done it would be you guys.

Todd
 

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First the good news, the K66M have the diff lock and the hydro outlets.

Now the less good one, The K66M have a shorter upper case with shorter axles similar to the K66R, that mean if you want to install it on your tractor you will have to adapt the frame (rear hitch plate) to be able to screw the transaxle on the tractor, you'll have to make precises measurement to position the transaxle correctly in place.

In order words it's the same transaxle (K66R) used in a conversion kit available on eBay (internet).

It's not impossible but way harder to do.

The part you have to flip upside down is show in the picture below.

Note: from the picture the parts look differently made from the model I know you can turn around to make the transaxle going opposite way, so I'm not sure it will work. :(
 

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Discussion Starter · #6 ·
Sounds like there are are K66 models that are easier to to use for the conversion?

How do they typically adapt the rear hitch plate? I thought I saw in your post that you moved the plate back about 1/2" to adjust for the linkage and fan pulley being moved forward on the K66.

Todd
 

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Yes the K66 as several model.

The K66Y is the best one (that I know) to install on a X3__ frame.

One member (from Europe) had made a bracket to fit the K66 version you have, you probably have see his thread (not completed) from last year. :)
 

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Not sure about this but I think the fellow in Europe with the x320 turned the direction control arm around. There was a picture that showed the arm sticking down at about a 45 degree angle & was only a few inches above the ground.
 

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Not sure about this but I think the fellow in Europe with the x320 turned the direction control arm around. There was a picture that showed the arm sticking down at about a 45 degree angle & was only a few inches above the ground.

Yes you're right, I suggest him to cut the excess and never hear about him anymore. :dunno:
 

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Discussion Starter · #10 ·
I remember reading that conversion thread. Have to go back and look. Was that the one that left him with a faster reverse speed than forward?


Talked with the guy that has the trans and did some measuring. You were right on stladrill about the mounting holes being closer together. My initial thought is to have two flat adapters plates made, probably about 4" x 6". Bolt the trans to the plates and they would extend out to where the frame bolts up. If the trans needs to be moved backwards a bit I could adjust one of the sets of holes to accomplish that. Have to do some measuring once the trans gets here.

Thanks for all the help. After reading your post and watching your video of the snow blower I think this will be fun and a great upgrade.

Todd
 
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