Measuring Drawbar pull

   / Measuring Drawbar pull #1  

Shell Farm

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Joined
Jan 20, 2024
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1
Tractor
JD 4010
Simple to modify hydraulic cylinder with psi gauge to measure lbs of pull exerted by tractor when pulling.
Can determine DB horsepower if speed is determined mph and convert to ft/min.
1 HP is 33000 ft.lbs/minute
 
   / Measuring Drawbar pull #2  
   / Measuring Drawbar pull #3  
Simple to modify hydraulic cylinder with psi gauge to measure lbs of pull exerted by tractor when pulling.
Can determine DB horsepower if speed is determined mph and convert to ft/min.
1 HP is 33000 ft.lbs/minute
If you go to the Nebraska Tests, et al, they usually can provide this info. This data is based on tests conducted on a concrete pad.
Using the piston/air pressure method you can do this for the soil conditions you are operating in.
 
   / Measuring Drawbar pull #4  
Or just enter your tractor model into the Tractor Data website. They use NT in their tests.
 

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