The pivot pin mounts to the side of the dump body. The pin is 3-1/2" long and 1-3/16" thick, with a notch along the pin to fixedly seat the spiral torsion springs. The mounting plate is 8" x 3-5/8". The pin is welded to the mounting plate. The mounting plate has two 5/8" holes, spaced 5-1/2" apart.
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