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  1. #41
    Bronze Member
    Join Date
    Nov 2009
    Posts
    79
    Location
    Gallatin, TN
    Tractor
    John Deere L110 and Mahindra 2816 4wd

    Default Re: TuffTorq K46 Repair Guide with Pictures

    Quote Originally Posted by joebob View Post
    Hi lots;
    The ports are in a ring around the block & cyl. surfaces. If you look at say the cyl. surface, if I remember correctly, there are 3 bright rings around the mating surface of the cyl. The center ring has 3 or 4 holes in it, which is were the oil passes thru.The scoring in my case was between these ports,letting the oil leak between them.It only took a very slight grind to clean it up.Hope this helps.Too bad I could'nt have helped others before they spent their money. Tractor still running great.

    Cheers
    PS The info I got from Tuff Torq shows this cyl.
    Ok, now I understand. Good, now people have more options! I wish I would have kept my old parts to see if mine had this issue.

  2. #42
    Bronze Member
    Join Date
    Nov 2002
    Posts
    54
    Location
    Manchester MI.
    Tractor
    Case 530CK

    Default Re: TuffTorq K46 Repair Guide with Pictures

    Hi Lots;
    Good. I wonder how many guys still have their parts. might be a money maker to repair them.
    Cheers
    Joebob

  3. #43
    New Member
    Join Date
    Jul 2010
    Posts
    1
    Tractor
    Craftsman DYS4500

    Default Re: TuffTorq K46 Repair Guide with Pictures

    Just wanted to thank LotsofGreenGrass for this thread as I just completed a successful repair of my K46 tranny out of a Craftsman DYS4500 which is about 5 years old (not sure how many hours are on it but it has to be getting up there). I probably wouldn't have attempted the repair myself without all the info found here, thanks again!

    Everything started when my wife was using the mower at her mother's house. She had just completed mowing the back yard and stopped to talk with her mother for a minute before moving to the front. From what she told me, there was a load bang followed by white smoke and then the mower wouldn't move anymore. She said there was just a lot of clanking when it was put into gear and the engine ran just fine. I assumed it was just a drive belt (from her report of white smoke, I mean what else produces white smoke?) After further inspection, the belt was fine and I began to think I had a much deeper problem. After dropping the deck and getting the tranny off, I pulled the pan off and discovered ball bearings, lots of metal shavings and plastic pieces all over inside the case. WTF???

    I decided to do some research on this before venturing further which is how I got to this website and thread. I was able to get the parts diagram from the Tuff-Torq website which identified the problem parts as the thrust bearing/swash plate, which was completely destroyed and in pieces. What is wierd is that there was no indication of probable failure before this thing decided to "explode" in the case and I wasn't experiencing the drop in power like others have complained of with the K46.

    Nevertheless, I ordered the thrust bearing and swash plate kit from Tuff-Torq (I opted out of getting the Pump and Motor as I really didn't notice a loss in power). I also got some RTV sealant for the pan and 5W-50 synthetic oil locally.

    I removed the rest of the assemblies and cleaned out the inner case thoroughly to remove the metal shavings, ball bearings, etc. Re-assembly was easy with the parts assembly diagram from Tuff-Torq (you have to create an account on their website to get these and other items from the website) and the other comments from this thread as what to watch out for. I waited 12 hours for the RTV to dry, filled with the oil, mounted back on the tractor and attached linkages/belts. She didn't do anything at first, until I completed the air purging procedure from Tuff-Torq's website, wow that scared me for a bit!! After purging the air, she just took off and the wheels started spinning!!!! YES!!!!

    While the deck was off, I decided to clean it a bit and sharpen the blades with my side grinder as they were looking pretty rough. I'm glad I took the time to do this then as it is a pain to get the blades off otherwise. Anyway, I got the deck mounted and linkages attached, then preceded to mow my lawn for the next 2 hours. She ran even better than before in my opinion, perhaps just having the different oil in it made it better, plus the braking seemed better, not sure why though?

    Overall I had about 80 bucks into it with parts, shipping, RTV and synthetic oil, plus a lot of personal time (there was some beer drinking mixed in that time as well) put into this. Much better that having somebody else fix it for hundreds of dollars!!

    Thanks again LotsofGreenGrass!!

    Brandon Dobler
    Little Falls, MN
    Attached Thumbnails Attached Thumbnails -toast-jpg   -more_toast-jpg   -pieces_of_bearing-jpg  
    Last edited by doblerb; 07-19-2010 at 04:27 PM. Reason: adding pictures

  4. #44
    Bronze Member
    Join Date
    Nov 2009
    Posts
    79
    Location
    Gallatin, TN
    Tractor
    John Deere L110 and Mahindra 2816 4wd

    Default Re: TuffTorq K46 Repair Guide with Pictures

    Quote Originally Posted by doblerb View Post
    Just wanted to thank LotsofGreenGrass for this thread as I just completed a successful repair of my K46 tranny out of a Craftsman DYS4500 which is about 5 years old (not sure how many hours are on it but it has to be getting up there). I probably wouldn't have attempted the repair myself without all the info found here, thanks again!

    Everything started when my wife was using the mower at her mother's house. She had just completed mowing the back yard and stopped to talk with her mother for a minute before moving to the front. From what she told me, there was a load bang followed by white smoke and then the mower wouldn't move anymore. She said there was just a lot of clanking when it was put into gear and the engine ran just fine. I assumed it was just a drive belt (from her report of white smoke, I mean what else produces white smoke?) After further inspection, the belt was fine and I began to think I had a much deeper problem. After dropping the deck and getting the tranny off, I pulled the pan off and discovered ball bearings, lots of metal shavings and plastic pieces all over inside the case. WTF???

    I decided to do some research on this before venturing further which is how I got to this website and thread. I was able to get the parts diagram from the Tuff-Torq website which identified the problem parts as the thrust bearing/swash plate, which was completely destroyed and in pieces. What is wierd is that there was no indication of probable failure before this thing decided to "explode" in the case and I wasn't experiencing the drop in power like others have complained of with the K46.

    Nevertheless, I ordered the thrust bearing and swash plate kit from Tuff-Torq (I opted out of getting the Pump and Motor as I really didn't notice a loss in power). I also got some RTV sealant for the pan and 5W-50 synthetic oil locally.

    I removed the rest of the assemblies and cleaned out the inner case thoroughly to remove the metal shavings, ball bearings, etc. Re-assembly was easy with the parts assembly diagram from Tuff-Torq (you have to create an account on their website to get these and other items from the website) and the other comments from this thread as what to watch out for. I waited 12 hours for the RTV to dry, filled with the oil, mounted back on the tractor and attached linkages/belts. She didn't do anything at first, until I completed the air purging procedure from Tuff-Torq's website, wow that scared me for a bit!! After purging the air, she just took off and the wheels started spinning!!!! YES!!!!

    While the deck was off, I decided to clean it a bit and sharpen the blades with my side grinder as they were looking pretty rough. I'm glad I took the time to do this then as it is a pain to get the blades off otherwise. Anyway, I got the deck mounted and linkages attached, then preceded to mow my lawn for the next 2 hours. She ran even better than before in my opinion, perhaps just having the different oil in it made it better, plus the braking seemed better, not sure why though?

    Overall I had about 80 bucks into it with parts, shipping, RTV and synthetic oil, plus a lot of personal time (there was some beer drinking mixed in that time as well) put into this. Much better that having somebody else fix it for hundreds of dollars!!

    Thanks again LotsofGreenGrass!!

    Brandon Dobler
    Little Falls, MN
    Glad to help!

  5. #45
    Bronze Member
    Join Date
    Nov 2009
    Posts
    79
    Location
    Gallatin, TN
    Tractor
    John Deere L110 and Mahindra 2816 4wd

    Default Re: TuffTorq K46 Repair Guide with Pictures

    FYI
    For some reason I don't always receive notification when someone comments on this repair guide.

    I prefer to have questions asked on this thread, rather than via PM. It's not that I dislike PM's, I just want to share the experiences of others on the thread so we can keep relevant info. flowing on the this subject.

    If I don't reply on the thread, then PM me.

  6. #46

    Default Re: TuffTorq K46 Repair Guide with Pictures

    Well the Rebuild is done. I am waiting for the seal to cure. Thanks for all of the help. I am afraid my transmission was a little further gone than your's. Some of the teeth on the pinion gear were showing signs of ware. Well I hope for the best and maybe I can get a couple more years use out of it. I will install tomorrow. Crosss your fingers and hope it works for now.

    Rex

  7. #47
    Bronze Member
    Join Date
    Nov 2009
    Posts
    79
    Location
    Gallatin, TN
    Tractor
    John Deere L110 and Mahindra 2816 4wd

    Default Re: TuffTorq K46 Repair Guide with Pictures

    Quote Originally Posted by hustonrx View Post
    Well the Rebuild is done. I am waiting for the seal to cure. Thanks for all of the help. I am afraid my transmission was a little further gone than your's. Some of the teeth on the pinion gear were showing signs of ware. Well I hope for the best and maybe I can get a couple more years use out of it. I will install tomorrow. Crosss your fingers and hope it works for now.

    Rex
    You're welcome.

    Sounds like this will work out fine. This transmission is not that complicated. If it does not work, it is usually something minor.

  8. #48

    Default Re: TuffTorq K46 Repair Guide with Pictures

    Sorry it took me so long to reply I've been mowing a lot!
    Seriously, I took only a slightly different path. I followed your tear down, but continued to dismantle the whole transmission and threw the parts into my solvent tank for a good bath. I also went ahead and ordered the IDS (Internal Damper System). It ended up costing a bit more, but, if I can squeeze another 5 to 7 years out of the transmission it will be worth it. In hindsight, the transmission has performed very well over the summer, and I could not be happier! Again, thanks very much for pointing me in the right direction.

  9. #49
    Bronze Member
    Join Date
    Nov 2009
    Posts
    79
    Location
    Gallatin, TN
    Tractor
    John Deere L110 and Mahindra 2816 4wd

    Default Re: TuffTorq K46 Repair Guide with Pictures

    Quote Originally Posted by JSlomke View Post
    Sorry it took me so long to reply I've been mowing a lot!
    Seriously, I took only a slightly different path. I followed your tear down, but continued to dismantle the whole transmission and threw the parts into my solvent tank for a good bath. I also went ahead and ordered the IDS (Internal Damper System). It ended up costing a bit more, but, if I can squeeze another 5 to 7 years out of the transmission it will be worth it. In hindsight, the transmission has performed very well over the summer, and I could not be happier! Again, thanks very much for pointing me in the right direction.
    Great ! Nothing like a good bath.

  10. #50
    Bronze Member
    Join Date
    Nov 2009
    Posts
    79
    Location
    Gallatin, TN
    Tractor
    John Deere L110 and Mahindra 2816 4wd

    Default Re: TuffTorq K46 Repair Guide with Pictures

    Quote Originally Posted by doblerb View Post
    Just wanted to thank LotsofGreenGrass for this thread as I just completed a successful repair of my K46 tranny out of a Craftsman DYS4500 which is about 5 years old (not sure how many hours are on it but it has to be getting up there). I probably wouldn't have attempted the repair myself without all the info found here, thanks again!

    Everything started when my wife was using the mower at her mother's house. She had just completed mowing the back yard and stopped to talk with her mother for a minute before moving to the front. From what she told me, there was a load bang followed by white smoke and then the mower wouldn't move anymore. She said there was just a lot of clanking when it was put into gear and the engine ran just fine. I assumed it was just a drive belt (from her report of white smoke, I mean what else produces white smoke?) After further inspection, the belt was fine and I began to think I had a much deeper problem. After dropping the deck and getting the tranny off, I pulled the pan off and discovered ball bearings, lots of metal shavings and plastic pieces all over inside the case. WTF???

    I decided to do some research on this before venturing further which is how I got to this website and thread. I was able to get the parts diagram from the Tuff-Torq website which identified the problem parts as the thrust bearing/swash plate, which was completely destroyed and in pieces. What is wierd is that there was no indication of probable failure before this thing decided to "explode" in the case and I wasn't experiencing the drop in power like others have complained of with the K46.

    Nevertheless, I ordered the thrust bearing and swash plate kit from Tuff-Torq (I opted out of getting the Pump and Motor as I really didn't notice a loss in power). I also got some RTV sealant for the pan and 5W-50 synthetic oil locally.

    I removed the rest of the assemblies and cleaned out the inner case thoroughly to remove the metal shavings, ball bearings, etc. Re-assembly was easy with the parts assembly diagram from Tuff-Torq (you have to create an account on their website to get these and other items from the website) and the other comments from this thread as what to watch out for. I waited 12 hours for the RTV to dry, filled with the oil, mounted back on the tractor and attached linkages/belts. She didn't do anything at first, until I completed the air purging procedure from Tuff-Torq's website, wow that scared me for a bit!! After purging the air, she just took off and the wheels started spinning!!!! YES!!!!

    While the deck was off, I decided to clean it a bit and sharpen the blades with my side grinder as they were looking pretty rough. I'm glad I took the time to do this then as it is a pain to get the blades off otherwise. Anyway, I got the deck mounted and linkages attached, then preceded to mow my lawn for the next 2 hours. She ran even better than before in my opinion, perhaps just having the different oil in it made it better, plus the braking seemed better, not sure why though?

    Overall I had about 80 bucks into it with parts, shipping, RTV and synthetic oil, plus a lot of personal time (there was some beer drinking mixed in that time as well) put into this. Much better that having somebody else fix it for hundreds of dollars!!

    Thanks again LotsofGreenGrass!!

    Brandon Dobler
    Little Falls, MN
    Good pictures! These really help shed light on failures for others.

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