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  1. K66Y Tuff Torq Installing in D155

    John Deere Forum
    Two years and still going strong.
  2. K66Y Tuff Torq Installing in D155

    John Deere Forum
    Looking for a good deal on a front blade. Tag me if you know of one. The K66Y has ran perfect.
  3. X304 2008 Tranny downgrade?

    John Deere Forum
    I know what i would do. If you have mechanical/fabrication/welding abilities I would do a K66Y swap. It will work with some engineering.
  4. K66Y Tuff Torq Installing in D155

    John Deere Forum
    23x10.50-12 was tire size I used on 10.5" wide wheels. Not really concerned with anything as I was told it would not work in the first place. Thanks!
  5. K66Y Tuff Torq Installing in D155

    John Deere Forum
    I mowed today and it didn't miss a beat. Climbs right up my hills like nothing. THis was the best $800 I could of spent IMO. If you have any mechanical experience what-so-ever you can do this.
  6. K66Y Tuff Torq Installing in D155

    John Deere Forum
    K66Y Retrofit Complete. Change is fairly easy but you have to fabricate a few parts to make it work. Parts you need: 1) K66Y Transmission - $350 + shipping at Surplus Center (Use pulley and fan that comes with trans) 2) Engine Pulley - $50 GY20595 3) Hubs from 345 - $75 ebay 4) 1" Key Stock...
  7. K66Y Tuff Torq Installing in D155

    John Deere Forum
    I added the idler pulley as a 87" belt was too short and a 88" belt too long. The idler pulley takes up the slack. I removed the linkage from the brake pedal and the belt stays engaged at all times. On the pedal linkage I made a shaft and connected it to (2) pillow blocks to help with the...
  8. K66Y Tuff Torq Installing in D155

    John Deere Forum
    More pics.
  9. K66Y Tuff Torq Installing in D155

    John Deere Forum
    Just finished up tonight. Works perfect! K66Y DOES Work in a D-Series!
  10. K66Y Tuff Torq Installing in D155

    John Deere Forum
    Finally got tires mounted on new 10.5" wide wheels. Getting metal work done and soon will have pics of reinforcement for hitch into frame rails.
  11. K66Y Tuff Torq Installing in D155

    John Deere Forum
    Ran into some issues with pillow block. I am adding a second and running a bar in between two pillow blocks (One on each frame rail). This will keep the bearing from moving sideways inside the assembly. Will have pictures when I finish that. Started on the Johnny P hitch install and reinforcing...
  12. K66Y Tuff Torq Installing in D155

    John Deere Forum
    Cut rear out for access to reservoir. I am adding bracing around area and fabricating 1/4" steel plate that will connect from Johnny Hitch into frame rails. This will beef up the whole rear of the tractor.
  13. K66Y Tuff Torq Installing in D155

    John Deere Forum
    Coming along nicely.
  14. K66Y Tuff Torq Installing in D155

    John Deere Forum
    Does anyone know if Roger uses different pulleys on his K66 conversion packages? According to his instructions I don't see where that is the case other than a K66 pulley for the trans. Today I am hoping to get my linkage put together since it has to go backwards. I have some adjustable tie rod...
  15. K66Y Tuff Torq Installing in D155

    John Deere Forum
    Thanks for the link. The K66 pulley is larger so I will use the T40J pulley. The trans pulley location sits further forward so I will need to get a shorter belt. I will do some measuring to see. I just thought someone could tell me what they used on the swap.
  16. K66Y Tuff Torq Installing in D155

    John Deere Forum
    Thanks. I appreciate the feedback. Hopefully it comes all together. Traveling the rest of the week for work so wont get much done.
  17. K66Y Tuff Torq Installing in D155

    John Deere Forum
    Anyone that has installed a K66 in a L or D series tractor what length was the belt you used?
  18. K66Y Tuff Torq Installing in D155

    John Deere Forum
    John Deere D155 Teardown - Album on Imgur
  19. K66Y Tuff Torq Installing in D155

    John Deere Forum
    Pics
  20. K66Y Tuff Torq Installing in D155

    John Deere Forum
    Tear down begins. Removed fenders and steering console for better access. Removed T40J with tires still on and moved to side for now. Tested fitted K66Y in frame to check input pullet height and to get an idea of how to tackle the controls issue. Looks like I will need to change how plastic...
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