I'm not sure if that airplane is really that enormous, or the camera angle and lens just make it look that way...

https://www.flickr.com/photos/133697406@N05/18747150775/

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innovate, adapt, and overcome.. and if you have a farm boy around, tell him the problem and soon enough he'll solve it

https://www.flickr.com/photos/133697406@N05/18773940995/

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a tractor with a striking resemblance to a drawing from an Oz book (Thanks Phil!)

https://www.facebook.com/Mes-Mus%C3%A9es-dAutos-MMA-488557874679626/

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the Allis-Chalmers M-7 Snow Tractor, it used the Jeep engine and transmission.

The tractor was motivated by the US Army Air Forces need for rescue capability in northern areas where reaching a downed crew might entail c...

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The Cletrac, the high speed 7 ton M2 tractor dozer

https://www.flickr.com/photos/oldbuckshots/8545525130/in/album-72157636999226295/ a "Cletrac," dozer tractor was used for moving a...

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1877 Fowler Steeplechaser with 12 foot high wheels

The 12-foot wheels were intended to reduce the ground pressure and give better propulsion in soft soil. http://www.douglas-self.com/MUSEUM/T...

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Fordson with a Hadfield-Penfield Rigid Rail traction system

https://classicdozers.files.wordpress.com/ I posted something like this about 9 years ago that I came across by accident   http://justacargu...

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Gray Drum Drive 1918 tractor

The large drum on this tractor was used for traction to by pass Caterpillar patents. The wide drum on this tractor also prevented the soil f...

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the Belt Rail tractor, a lot like a snowmobile track pushing it along

http://www.staritraktor.si/userfiles/images/Ameri%C5%A1ki%20traktorji/

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1906 3 wheel Best steam tractor with huge drum wheels

http://www.davisenterprise.com/local-news/california-agriculture-museum-celebrates-regions-rich-ag-history-on-family-day/attachment/calagmus...

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