Looking for a good machinist
Results 1 to 7 of 7
Like Tree4Likes
  • 1 Post By dieselshadow
  • 1 Post By farmgirl19
  • 2 Post By bgctrading

Thread: Looking for a good machinist

  1. Top | #1

    Join Date
    Apr 2015
    Last Online
    04-29-2015 @ 07:28 AM
    Location
    Kansas
    Posts
    1
    Thanks
    2
    Thanked 0 Times in 0 Posts

    Looking for a good machinist

    Hello, I have a jd 630 that spun a main bearing awhile back and have gotten everything taken apart. I'm looking for a good machinist that has experience in two cylinder tractors. I will most likely need either cylinder honing or boring as the tractor set for a long time and was stuck. I also will need the main bearing replaced. If anyone knows of someone in the kc area or around Salina Ks please let me know. Thanks for any information...

  2. Remove Advertisements
    GreenTractorTalk.com
    Advertisements
     

  3. Top | #2
    Keeper of the GTT Cookies dieselshadow's Avatar
    Join Date
    Nov 2011
    Last Online
    Today @ 08:43 PM
    Location
    Joelton TN
    Posts
    19,930
    Thanks
    1,067
    Thanked 4,329 Times in 2,601 Posts

    Thumbs up Welcome to GTT!

    I'm not sure of any machine shops near you that are well versed in your areas of need and expertise of large bore antique JD tractors. That seems to be falling away year by year. However, the cylinder block is easy for any machine shop that can do larger, longer bores. You'll need to consult with them before buying pistons as you want the final boring/honing to match the new pistons. My bet is the crank will have to be sent out to a shop that specializes in crankshafts. I've had them welded back up using a special "spray weld" and machined/polished back into factory minimum specs. It cost me about $500 for a two cylinder diesel generator engine that last time I had that done.

    Good luck and let us know what you come up with. I'm very interested in seeing your product. I have a 60 that will probably have to have the same thing done.
    Toothman likes this.
    - Jason

    GreenTractorTalk.com Rules, Policies, and Terms of Use

    Subscribe to dieselshadowman on YouTube

    2720 w/ 200CX FEL
    , Ken's weld-on hooks, Fit Rite Hydraulics Top and Tilt kit, Artillian forks.
    1954 60 - getting full restoration, 1964
    110 round fender in the shop for crustoration
    Ferris IS3200Zzero turn mower

    Quote Originally Posted by Gizmo2 View Post
    Dieselshadow is my Hero.


  4. The Following User Says Thank You to dieselshadow For This Useful Post:

    Toothman (04-29-2015)

  5. Top | #3
    GTT's Pilot in Command (PIC) farmgirl19's Avatar
    Join Date
    Apr 2013
    Last Online
    @
    Location
    Texas
    Posts
    8,562
    Thanks
    1,503
    Thanked 1,149 Times in 751 Posts
    You might also check into an aircraft engine shop. They can machine it and chrome the cylinder back to specs.
    If man had enough horse sense to treat his wife like a Thoroughbred, she'd never grow into an old nag.

    If you climb in the saddle, be ready for the ride!

    Happiness is contagious; Be a carrier!

  6. Remove Advertisements
    GreenTractorTalk.com
    Advertisements
     

  7. Top | #4
    Keeper of the GTT Cookies dieselshadow's Avatar
    Join Date
    Nov 2011
    Last Online
    Today @ 08:43 PM
    Location
    Joelton TN
    Posts
    19,930
    Thanks
    1,067
    Thanked 4,329 Times in 2,601 Posts
    I don't believe JD two-cylinder tractors ever used a chromed bore. A chromed cylinder requires a different ring package than a standard iron/steel bore.
    - Jason

    GreenTractorTalk.com Rules, Policies, and Terms of Use

    Subscribe to dieselshadowman on YouTube

    2720 w/ 200CX FEL
    , Ken's weld-on hooks, Fit Rite Hydraulics Top and Tilt kit, Artillian forks.
    1954 60 - getting full restoration, 1964
    110 round fender in the shop for crustoration
    Ferris IS3200Zzero turn mower

    Quote Originally Posted by Gizmo2 View Post
    Dieselshadow is my Hero.


  8. Top | #5
    GTT's Pilot in Command (PIC) farmgirl19's Avatar
    Join Date
    Apr 2013
    Last Online
    @
    Location
    Texas
    Posts
    8,562
    Thanks
    1,503
    Thanked 1,149 Times in 751 Posts
    Quote Originally Posted by dieselshadow View Post
    I don't believe JD two-cylinder tractors ever used a chromed bore. A chromed cylinder requires a different ring package than a standard iron/steel bore.
    The cylinders on my 1941 Avery are now chromed. That's what made me think about having it done here.

    But, I've been wrong before.....







    (But only one other time!!)
    mjncad likes this.
    If man had enough horse sense to treat his wife like a Thoroughbred, she'd never grow into an old nag.

    If you climb in the saddle, be ready for the ride!

    Happiness is contagious; Be a carrier!

  9. Top | #6

    Join Date
    Mar 2015
    Last Online
    Today @ 06:36 AM
    Location
    Missouri
    Posts
    91
    Thanks
    0
    Thanked 4 Times in 3 Posts
    Advanced engine Machine in Salina is the best machine shop I have ever used. They build mostly race enines not sure if they do tractor stuff. Give Marc a call.
    farmgirl19 and Toothman like this.

  10. The Following User Says Thank You to bgctrading For This Useful Post:

    Toothman (04-29-2015)

  11. Top | #7
    coalminer16's Avatar
    Join Date
    Apr 2013
    Last Online
    10-08-2019 @ 03:24 PM
    Location
    Central WI
    Posts
    144
    Thanks
    0
    Thanked 10 Times in 9 Posts
    Even if stuck you don't need to machine. Only had two tractors we needed to machine out of a LOT we have gotten unstuck. These are low compression engines and if they have the OEM cast flat top pistons from the all fuel engine they are at a 4:1 compression. Once the pistons are out a hone job and bead blasting the rings that were in there is all that is needed 90% of the time. Sometimes you might need a set of rings but rarely. Have had 1/2 inch rust pits in the engine on a 42 GM we had. One guy said don't worry about it. His reasoning was that you have the Petcocks where a hold already is for the rings and it doesn't hurt it so why worry. He was right. It ran just find and we even plowed with it to reseat the rings after going through it.

    As for spinning a main bearing-depending on the damage you are good there too. The bearings are shimmed so if it didn't actually ruin the bearing on the crank you might just need the bearing inserts and reshim correctly. Use feelygauge to get the right measurements. These are slow RPM too so you don't need to treat them like a race car engine. They are very forgiving which is part of the reason JD stayed with that design for so many years.
    "Travis" on WFM
    First year 332 with H3 added X 2, JD 3 pt, JD factory delux seat with flip pan. 430 rear diff. 430 fender deck(have two that are mirror copies of themselves). 420, two more 332's.
    Attachments:JD 44 loader, JD 50 inch mowing deck, JD 48 replacement mowing deck JD 47 two stage snow blower, JD Hyd 42 Tiller, Gannon Earthcavator 42 inch 3 point mount, Cozy cab, JD 20 plow, Brinly 12 inch plow.

  12. Remove Advertisements
    GreenTractorTalk.com
    Advertisements
     

Bookmarks

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •