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j hancock

Koehring Dumptor

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This rig uses a variation of a gravity dump.  Release the catch while loaded and slam on the brakes and the bed dumps the material.  Go in reverse and hit the brakes and the bed will reset.

A couple of videos.  It is a single function vehicle so as hydraulics improved for the construction equipment industry, a multi-use wheeled loader would run circles around a Dumptor.

https://www.youtube.com/watch?v=siGtpP2biwg

https://www.youtube.com/watch?v=wnTjY6EDVHU

 

Koehring Dumptor Brochure.jpg

Koehring Dumptor.jpg

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I could imagine a few of them running around a jobsite could get pretty hectic.   

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little newer version than what i remember but same idea , that thing would rattle your teeth when the bed slammed back empty

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I have posted a new video of Howard's Dumptor after restoration and running well.

https://youtu.be/-IYIML4pTr4

Dave Steamcrane

 

 

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Always interesting to see one in action.  Looks like running one could be a very long day!

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On 2/24/2020 at 9:58 AM, j hancock said:

Always interesting to see one in action.  Looks like running one could be a very long day!

And I would imagine that "back in the day" , they were being loaded by cable shovels or backhoes.  Add the stress of watching that bucket swing toward you-then again back then, operators were "operators"😎

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