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Anyone need to run drawbar pull on their tractor
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Posted by El Toro on October 28, 2006 at 13:51:47 from (152.163.100.65):
This is the M7 Mobile Field Dynanmometer used at Aberdeen Proving Ground for conducting full load drawbar and cooling tests. Even though we never
ran any wheeled farm tractors, I'm sure they ran some drawbar and cooling tests on some IH crawlers used during WW2. This vehicle was powered with twin 500hp Ford gas engines. Each engine had dual 4 barrel carburetors and it had an electric drive similar to a locomotive. There's also a loadcell on the
front for measuring drawbar pull in pounds. We could monitor temperatures of the test vehicle too since the temperatures were read on a Fluke recorder in the M7. The M7 and 3 trailers would easily hold 100,000 pounds of drawpull. The trailers had an electric
drive too and were controlled from the M7. I would bet the Nebraska Test Lab would have like to have had this vehicle for their tests. Hal
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