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Farm Tractors and Implements Discussion of farm equipment


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  #1  
Old 09-06-2010, 07:37 AM
kolpen kolpen is offline
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Default John Deere 9520T - 1/16

Here is a little progress on the 9020T tractor I am working on.


Belttension is designed with bearings in the 'forks' instead of placing them in the wheels.

The walking beam is now done. On the pictures you will see how I made the attachments to the frames.

The issue is that, by moving the two frames up and down from center/zero the distance is getting bigger and when the beam is attached, it forces the frames to move inward and therefore no longer parallel.

I came up with the idea, that if I let it 'rotate' over a square piece, it would spread the frames when the beam travels up and down. Also the beam will be able to travel backward (about 1.5mm) on the mid axle. As this distance also get's shorter.

Next up is the gearbox.


















Comments are welcome :-)


Anders Kolpen
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  #2  
Old 09-06-2010, 07:38 AM
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Default Re: John Deere 9520T - 1/16

More pics:

Mainframe is milled out to make room for transmission and rearaxles.



Left and right side of the undercarriage is almost done.





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Old 09-06-2010, 11:01 AM
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Default Re: John Deere 9520T - 1/16

Kolp- Thanks for coming over to this new forum and sharing your builds. I saw this new build on modelltruck and it is a huge leap forward from your previous one.
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Old 09-09-2010, 10:55 AM
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Default Re: John Deere 9520T - 1/16

Wow! I remember drooling over your other RC tractor designs, but you've really taken it to a whole new level with this latest post! Looks amazing! I expect this will be your best performing tractor to date.
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Old 09-09-2010, 04:43 PM
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Default Re: John Deere 9520T - 1/16

Gonna be another amazing build. I wish I had the knowledge and resources to convert my CAT Challenger like that.

Ben
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Old 09-10-2010, 02:19 AM
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Default Re: John Deere 9520T - 1/16

Hi Anders


thanks for bringing your fantastic builds over to this site
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Old 09-10-2010, 03:53 PM
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Default Re: John Deere 9520T - 1/16

Anders, welcome a-board

Those tracks, are they the gel-type or the stiff vinyl type?
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Old 09-11-2010, 02:40 AM
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Default Re: John Deere 9520T - 1/16

Thank you all.

Rob >> I have them both. The gel types seems way better than the hard plastics. But we will see how they act when they are mounted.




Anders
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Old 09-13-2010, 06:14 AM
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Default Re: John Deere 9520T - 1/16

Quote:
Originally Posted by Espeefan View Post
Wow! I remember drooling over your other RC tractor designs, but you've really taken it to a whole new level with this latest post! Looks amazing! I expect this will be your best performing tractor to date.
I also expect this to be one of the best tractors, but my 7920 is hard to beat. I do expect a lot of the Servonaut M220 track ESC that is goinginside the 9520T.

I'm looking forward for the 1st testrun!!
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Old 11-09-2010, 12:33 PM
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Default Re: John Deere 9520T - 1/16

wow @ the roller setup!
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Old 11-09-2010, 09:34 PM
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Default Re: John Deere 9520T - 1/16

you have a lot of work in the roller assy. I can't wait till the rest of the tractor is done.
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Old 11-09-2010, 09:56 PM
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Default Re: John Deere 9520T - 1/16

Wow! Really nice work.
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Old 11-09-2010, 10:45 PM
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Default Re: John Deere 9520T - 1/16

I don't know how the 1:1 is done but on my old Caterpillar tractors the equalizer bar or spring sits in a saddle and can float sideways but trapped under a pin to prevent the powertrain from going over.
Anyway,Very nice milling work. I like the way you made that ball setup.
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Old 01-10-2011, 09:20 AM
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Default Re: John Deere 9520T - 1/16

So here is the latest activity from my workbench.

The undercarriage and transmission of the 9520T tractor is finally taking shape.
Trackframes has been done for a while, just some small touch ups here.





















Transmission though is now nearly complete and fits perfectly inside the mainframe.













As you will see on the back, I have drilled the holes for all the bolts to fit either a 3pt hitch or a wide swing bar. I am not sure what to make yet. I better start with the swing bar as I want to get the rig pulling as soon as possible.





Not much to say, as the pics will tell you the most
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Old 01-10-2011, 10:41 AM
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Default Re: John Deere 9520T - 1/16

"Not much to say, as the pics will tell you the most"


and **** do they say allot! this is a super build!
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Old 01-10-2011, 11:08 AM
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Thumbs up Re: John Deere 9520T - 1/16

This is some very nice work you have done a lot of detail is added. Ed
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Old 01-10-2011, 11:49 AM
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Default Re: John Deere 9520T - 1/16

Wow, that's impressive! You do amazing work. Did you mill the bevel gears in the transmission or buy them. You can buy these type of gears at SDP-SI but they are not inexpensive and they charge a lot for shipping.
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Old 01-10-2011, 12:33 PM
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Default Re: John Deere 9520T - 1/16

Simply awesome.
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Old 01-10-2011, 02:23 PM
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Default Re: John Deere 9520T - 1/16

Absolutely great build! Workmanship and engineering are awesome. Can't wait to see it go!

Ken
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Old 01-10-2011, 02:30 PM
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Default Re: John Deere 9520T - 1/16

You have built the best RC conversion ever! Very nice!
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