Page 1 of 2 12 LastLast
Results 1 to 10 of 12
  1. #1
    New Member
    Join Date
    Oct 2010
    Posts
    4
    Tractor
    jd 855

    Default JD 855

    My 855 has a Yanmar 3tn75rj.Am having trouble finding an exact replacement and JD wants 5K. What else will fit fairly easily? Thanks for your help.Jeff

  2. #2
    Bronze Member
    Join Date
    Feb 2009
    Posts
    86
    Location
    Central Texas

    Default Re: JD 855

    You might already know; the 3TN75RJ was also used in the F1145 commercial mower.
    Is your current engine re-buildable? Engine kits are readily available.

  3. #3
    New Member
    Join Date
    Oct 2010
    Posts
    4
    Tractor
    jd 855

    Default Re: JD 855

    Rod through block so its dead.Looking for info if another 3TN will be close to the same and can make work.Found a 3tne84.Looks close.May try it.

  4. #4
    Veteran Member Mechanos's Avatar
    Join Date
    Aug 2010
    Posts
    1,056
    Location
    Roosterville, MO
    Tractor
    JD 955/70A/7 TLB

    Default Re: JD 855

    Dont see why it wouldn't fit. That's the engine used in the 955 which pretty much shares all the dimensions of the 855 (in regards to the engine compartment). I have a 3TNE88 in my 955 and it fits like a glove.

    BTW... does your 855 have the fuel tank in front of the radiator? Or is it between the engine and operator's station?

  5. #5
    Bronze Member
    Join Date
    Feb 2009
    Posts
    86
    Location
    Central Texas

    Default Re: JD 855

    The 3TN84 from a 955 should be close, although it's not identical. (Water pump, cooling fan, oil cooler, etc). It's also indirect injection as opposed to the direct injection of the 3TN75.
    Mechanos brought up the fuel tank location. This may be a concern, you'll have to do more re-plumbing/fabrication if your 855 is an earlier model with the fuel tank in front of the radiator. All 955's had the tank between the operators station and engine.

    I've never heard of the 3TNE88.

    Let us know how it works out.

  6. #6
    Veteran Member
    Join Date
    Jan 2002
    Posts
    1,491
    Location
    Lancaster PA
    Tractor
    Yanmar 186D

  7. #7
    Platinum Member JD755's Avatar
    Join Date
    Aug 2009
    Posts
    895
    Location
    Kansas
    Tractor
    John Deere 755 purchased new in 1993

    Default Re: JD 855

    Quote Originally Posted by twarr1 View Post
    The 3TN84 from a 955 should be close, although it's not identical. (Water pump, cooling fan, oil cooler, etc). It's also indirect injection as opposed to the direct injection of the 3TN75.
    Mechanos brought up the fuel tank location. This may be a concern, you'll have to do more re-plumbing/fabrication if your 855 is an earlier model with the fuel tank in front of the radiator. All 955's had the tank between the operators station and engine.

    I've never heard of the 3TNE88.

    Let us know how it works out.
    The 3TN84 in the 955 is direct injection. The 3TNE88 was used in the 4400 and 4410.
    Attached Thumbnails Attached Thumbnails -955-injection-jpg   -3tn88-jpg   -3tn88-4310-jpg  
    JD 755, 70 Loader, 60 inch MMM, Landpride rear blade, Modern box blade, Wallace subsoiler

  8. #8
    Veteran Member Mechanos's Avatar
    Join Date
    Aug 2010
    Posts
    1,056
    Location
    Roosterville, MO
    Tractor
    JD 955/70A/7 TLB

    Default Re: JD 855

    Not sure what my 3TNE88 came out of.... it's a non-JD engine. According to it's data plate, it is rated at 37hp. It was in the tractor when I bought it.

  9. #9
    Bronze Member
    Join Date
    Feb 2009
    Posts
    86
    Location
    Central Texas

    Default Re: JD 855

    Quote Originally Posted by JD755 View Post
    The 3TN84 in the 955 is direct injection. The 3TNE88 was used in the 4400 and 4410.
    I stand corrected.

  10. #10
    Elite Member dfkrug's Avatar
    Join Date
    Feb 2004
    Posts
    4,526
    Location
    NorCal
    Tractor
    05 Kioti CK30HST w/ Prairie Dog backhoe

    Default Re: JD 855

    Quote Originally Posted by acelr8 View Post
    My 855 has a Yanmar 3tn75rj.Am having trouble finding an exact replacement and JD wants 5K. What else will fit fairly easily?
    JD has an engine for sale? Even when I rebuilt my last 955 engine 5 y
    ago, it was out of production, and the only units available were stashed
    in some dealer's warehouse. (I did find one for sale for $5400 BTW.)

    The neat thing about the x55s is there is no foot clutch, so the bellhousing
    does not bolt up to the HST or gearbox. You have a simple drive shaft
    with rubber coupling, and the engine sits on top of a frame. Engine
    swaps should be much easier than on other tractors.

    Of course, almost all blown engines are rebuildable.
    See my TBN projects at:
    http://mysite.verizon.net/resyfcgt/

Page 1 of 2 12 LastLast

Similar Threads

  1. Maintenance on newly bought JD 855
    By dsmau in forum John Deere Owning/Operating
    Replies: 12
    Last Post: 08-27-2009, 09:22 PM
  2. Looking for a JD 855 Graveyard
    By 855Idiot in forum John Deere Owning/Operating
    Replies: 18
    Last Post: 06-01-2008, 09:05 PM
  3. JD 855 Front End Loader
    By Striker4972 in forum John Deere Owning/Operating
    Replies: 5
    Last Post: 05-15-2008, 12:45 AM
  4. JD 855 Rear wheel dragging.
    By 855Idiot in forum John Deere Owning/Operating
    Replies: 27
    Last Post: 02-11-2008, 06:42 PM
  5. Installing 72" MMM on 855 JD
    By rgsmitty in forum John Deere Owning/Operating
    Replies: 0
    Last Post: 09-26-2006, 09:28 AM

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  
© 2014 TractorByNet.com. TractorByNet is a registered trademark of IMC Digital Universe, Inc. Other trademarks on this page are the property of their respective owners.