It's Big, Blue, and Born in Iowa! The Kinze 640 tractor, also known as "Big Blue", and "Double Trouble". Built in 1974 to test a 13 bottom plow developed in a joint effort by Kinze and DMI, the 640 appeared at the Farm Progress Show that year. The big tractor was constructed using two John Deere 5020's repowered with Detroit Diesel engines at 320 horsepower each. With two engines to synchronize, and two independent transmissions to shift, the articulated tractor was soon nicknamed "Double Trouble".
The tractor will appear at the 2011 Half Century Of Progress V at Rantoul, Illinois August 25-28, 2011, and will likely be plowing in the field. This will be the first public appearance of the big tractor since 1988.
Keep looking for more announcements concerning additional feature presentations at the show.
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"The Vintage Farm Progress Show"
2011 Show Information
Half Century Of Progress Videos
There will be a Half Century Of Progress IV video. Details will be released soon.
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