Proof testing FOPS

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ArtB

ArboristSite Guru
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Dropped a 150 ft, 42 DBH black cottonwood onto the backhoe for a proof test of what looked to be factory FOPS/cab of 1970's Ford 4500 tractor, which was 2" rectangular tubing.

FOPS did not survive, but no damage to tractor.
backhoetree.JPG
rebuilt FOPS with close to 1000# of 8 inch channel and 1/4" steel plate, all welded to backhoe frame and bolted to axle housings. Extra weight helps with moving around machinery also<G>
DSCN6852.JPG
 

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