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John Deere 140 Crawler Build


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#1 BTS ONLINE  

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Posted January 09, 2014 - 11:09 PM

I'm back !

I started this track modification several months ago, I got busy with work and I ran out of time and funds.

Just now getting started on it again, hopefully I can finish it this winter.

 

I made the rear sprockets out of old pickup rims and 3/4" shaft. The smaller sprockets and chain are from a combine.

I am putting in a Kholer 2 cyl 18hp engine, I already had to move the exhaust and I had to do a little cutting on the frame to get the engine to fit.

Now I just need to get a drive shaft built and drill new bolt holes in the gt to mount the engine.

 

I made a sub frame for the tracks to run on so there will be no stress on the garden tractor or axle/rear end.

I also have a Kwik-Way Garden Master "G" loader I am going to put on it, I also have a hydraulic blade that I am also going to use on it.

 

I got one track finished a couple months ago, and I just finished the other track the other day.

 

The pictures are from start till now, I'll get more pictures when I start working on it again.

 

JohnDeere140GardenTractorandLoader003.jp

 

JohnDeere140GardenTractorandLoader004.jp

 

 

JohnDeere140GardenTractorandLoader001.jp

Attached Thumbnails

  • John Deere 140 021.JPG
  • John Deere 140 002.JPG
  • John Deere 140 040.JPG
  • John Deere 140 046.JPG
  • John Deere 140 007.JPG

Edited by BTS, January 10, 2014 - 10:23 AM.

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#2 MH81 ONLINE  

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Posted January 10, 2014 - 01:37 AM

Neat project. Will be very interesting to see this.

How are you planning on steering?
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#3 boyscout862 OFFLINE  

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Posted January 10, 2014 - 03:58 AM

Cool! What are the tracks from? Good Luck, Rick


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#4 superspeedex OFFLINE  

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Posted January 10, 2014 - 06:23 AM

What size track chain is the ca 550.  You got a good set up though spring tensioners rock guards high track


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#5 JDBrian OFFLINE  

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Posted January 10, 2014 - 06:25 AM

Nice start. A Cub Cadet engine?


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#6 IamSherwood OFFLINE  

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Posted January 10, 2014 - 06:26 AM

I'm looking forward to seeing this progress. Looks like a real neat project.

Like MH81, I'm wondering too, about steering. Are those brake drums I see

there? Hard to tell. Have you got any better detailed pics of your undercarriage?


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#7 Chopperhed OFFLINE  

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Posted January 10, 2014 - 08:32 AM

good to see you back.
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#8 BTS ONLINE  

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Posted January 10, 2014 - 09:50 AM

Thanks,

 

Yes the engine is out of a cub cadet.

 

I'm planing on steering with the individual brakes, so I'm going to steer it with the right foot, I was going to change it to hand brakes/steering but I think the foot would be better because the hydro is controlled by hand and same with the loader/blade valves.

 

For the undercarriage I am using channel iron that is a little narrower then the tracks, which will have a guide in the middle to help keep the tracks straight, I am then going to attach dump truck bed liner which is about 3/4" thick plastic, I am going to have that between the channel and the tracks, hoping to give it a slick surface to slide on.

I think small wheels or something might be more trouble, I'm hoping this is going to be easy and cheap.

 

I made the tracks, I'm not sure of the size of the chain, but I got it off of a combine. This chain had rubber paddles to haul the grain to the top of the combine, we where scrapping the combine so I got the chain and 4 small sprockets free :dancingbanana:

I then welded 2" wide strap to the chain for the cleats, when I get it finished I am thinking about welding on small rebar for better traction if I need it. Although I also don't want something that's going to shred the lawn, I know it's not going to be very turf friendly but I would like to be able to drive it across the yard.

 

I'm going to work on it today, I will get better close up pictures and I will post them tonight.

 

I added a couple pictures of the chain and the track when I was building it.

Attached Thumbnails

  • John Deere 140 006.JPG
  • John Deere 140 027.JPG

Edited by BTS, January 10, 2014 - 11:07 AM.

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#9 BairleaFarm OFFLINE  

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Posted January 10, 2014 - 07:07 PM

Looks good. All these crawler builds are making me jealous.

Sent from my SAMSUNG-SGH-I437P using Tapatalk


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#10 BTS ONLINE  

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Posted January 10, 2014 - 11:55 PM

Got the second track put together, also got the engine mounts finished.

Next I need to build a drive shaft, I have the original drive shaft off the jd 140 and I have the original cub cadet drive shaft that fits the engine. I guess I'm going to cut both into and then weld them together?

Probably going to use a coupler of a sort to make sure it is straight.

I made a drive shaft for a Ford LGT165 and it worked out really well, hopefully I can get this figured out too.

 

I will get more picture tomorrow, I'm going to try and get it put together just to see how the new track fits.

 

 

Attached Thumbnails

  • John Deere 140 002.JPG
  • John Deere 140 003.JPG

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#11 MH81 ONLINE  

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Posted January 11, 2014 - 05:43 AM

Really cool, glad you're making headway.
I have a feeling you will be wanting rebar not L-R and a short piece F-B on each cleat. Anyone who has ever ridden a std track sideways will tell you that it's a spooky feeling.

:thumbs: on the Leatherman. I had one like that, lost it and they stopped making that model. Still getting used to my new one.
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#12 IamSherwood OFFLINE  

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Posted January 11, 2014 - 07:35 AM

Use some pieces of angle iron and flat bar if nesc. as splints, as well as the coupling, when

building your drive shaft. Clamp the shafts into the angle, on either side of the coupling

and then bridge over the coupling with another piece of straight angle, or whatever.

Just trying to get it as straight as possible.

 

Nice progress on the track.


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#13 BTS ONLINE  

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Posted January 12, 2014 - 12:23 AM

Thanks for the info,

Didn't get as much done today as I was hoping, went to put on the new track just to find out it was 6 chain links to short, I'm still not sure how I messed that up :(.

But now it's the right size so I'm hoping to get both tracks on for a test fit on Monday.

 

Oh and I looked at the chain I am using and the number stamped on the side is 550


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#14 zippy1 OFFLINE  

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Posted January 12, 2014 - 01:19 AM

Interesting build. Where did you come up with the idea? Have you been around track types before?

I would agree with others, on making something for the pads to grip with. Twenty some odd years ago I rode down a side slope with a D-7 in the winter :biting_nails: wasn't the ride I was looking for! You will need some kind of traction.

Again cool build.


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#15 superspeedex OFFLINE  

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Posted January 12, 2014 - 01:28 AM

Ca 550 is what they used for the struck mini dozer


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