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317 engine mounting.


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#1 secondtry ONLINE  

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Posted August 23, 2019 - 03:28 PM

I have a 317 with a blown Onan. Picked it up as a basket case. Have been kicking around power options for some time now. I have never seen one complete with any engine installed and wonder if they came original with engine isolation or were they solid mounted engines. Do any Onan engines except the p218 fit in the 317 without butchering.    Don


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#2 Trav1s OFFLINE  

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Posted August 23, 2019 - 08:37 PM

I will check my manual in the morning but I am pretty sure the KT-17 used some sort of engine isolation like the rest of the closed frame 300 series.

As for the second question - any B or P series will swap in place of the P218 you currently have.

if you do an internet search for "John Deere 317 re-power" you will find many options.  The most common options include the Briggs Vanguard, Kohler Command and Command Pro V-twins, and Honda V-twin.  


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#3 KennyP ONLINE  

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Posted August 24, 2019 - 08:12 AM

The 317 with original engine did use rubber mounts. JDParts lists the Onan repower kit.


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#4 Trav1s OFFLINE  

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Posted August 24, 2019 - 09:11 AM

The 317 with original engine did use rubber mounts. JDParts lists the Onan repower kit.

 

The Onan kit required a mount to be welded into the frame.  Those kits are in demand if you wanted to sell it off.  I have an extra 317 service manual if you are interested in it.  Drop me a message if so.


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#5 secondtry ONLINE  

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Posted August 24, 2019 - 09:44 AM

The 317 with original engine did use rubber mounts. JDParts lists the Onan repower kit.

   I looked at the kit on JDparts. The drawing is rather primitive and unhelpful. I have seen better drawn on the wall with soap stone. Do you know if this kit had isolation and if so where. Between the engine and the plate or between the plate and the tractor. I used to be able to study something and develop a plan then remember the plan until completion. Now if I plan something in the morning I have to draw it out or it is gone by lunch.    Don 


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#6 EricFromPa OFFLINE  

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Posted August 24, 2019 - 12:58 PM

Here is someone that repowered a 317 with this 18hp Vanguard V-Twin kit from SmallEngineWarehouse. It uses the original ISO Mounts. http://www.smallengi...tegory=1711132 

 

 

And someone that repowered a 318 with a 22hp Predator. Home made adapter plate and driveshaft adapter. This one is solid mounted.


Edited by EricFromPa, August 24, 2019 - 01:00 PM.

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#7 Trav1s OFFLINE  

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Posted August 25, 2019 - 07:13 AM

Also, tractors like the 300/316K, 312, and 314 have more in common with the 317 than the later 318 FWIW

The biggest challenges for your re-power will be:

- getting the crank centerline to match up with the Onan (you will need some sort of solid spacers)
- flywheel to driveshaft adapter

- engine placement in the frame

- PTO adaptation (Vanguards mostly use 1" crank and Commands use 1&1/8" crank) 


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#8 Trav1s OFFLINE  

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Posted August 25, 2019 - 08:07 AM

Here’s my 318 re-power project thread. It shows some of the realities of a DIY swap.

https://gardentracto...-20#entry904178
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#9 Trav1s OFFLINE  

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Posted August 28, 2019 - 11:07 AM

Do you have any pics of you project?
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#10 Trav1s OFFLINE  

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Posted August 29, 2019 - 10:11 AM

This is a great thread on another forum that talks through a DIY swap of a Vanguard in a 317.  


https://www.greentra...eering-too.html

 

 

I have that stub shaft kit sitting on the shelf and did not use it on my 318 project.  


Edited by Trav1s, August 29, 2019 - 10:12 AM.

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#11 Trav1s OFFLINE  

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Posted August 29, 2019 - 10:16 AM

Looks like the same build with different info in the thread.

https://www.mytracto...n-vanguard.html


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#12 Trav1s OFFLINE  

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Posted September 08, 2019 - 06:44 PM

Bringing this back up for the sake of future reference.  Secondtry now has a service manual but is trying to find pics of what the factory Iso-mount setup looks like to compare to what he has.  Anyone out there have a 317 with a KT-17 or M16/18/20 in it?  My google searching tonight is not yielding what I was hoping for.


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#13 Trav1s OFFLINE  

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Posted September 08, 2019 - 06:50 PM

These are the KT-17 mounts that attached to the frame through rubber isolators.  

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  • s-l300.jpg
  • s-l1000.jpg

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#14 Trav1s OFFLINE  

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Posted September 08, 2019 - 06:52 PM

Here is the Onan plate removed.

 

 

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#15 secondtry ONLINE  

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Posted September 08, 2019 - 10:09 PM

Thanks Travis. I have pictures of my platejohn deere 317 pictures 007.jpg john deere 317 pictures 008.jpg

     Also took pictures of the frame.john deere 317 pictures 012.jpg john deere 317 pictures 013.jpg john deere 317 pictures 014.jpg

  The plate upside down

john deere 317 pictures 010.jpg

  I attempted a test fit last year and the starter seamed to interfere with the frame. I am trying to get back to this project but life keeps getting in the way.    Don

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  • john deere 317 pictures 015.jpg

Edited by secondtry, September 08, 2019 - 10:16 PM.

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