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  1. gringeltaube

    winch PTO gear ratio ?

    Following may help to calculate, or better say estimate HP needed to operate our winches at rated power (and over), using the popular formula: HP = torque x rpm / 5252 Winch facts: PTO low range for the Spicer 3053 is 650rpm @ 1000 engine rpm; equals 520rpm at 800rpm (engine idle) 520rpm...
  2. gringeltaube

    winch PTO gear ratio ?

    You should have started by doing a simple search for "PTO ratio".... :) 2nd page: PTO speed, here.... G.
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