It's probably obvious from the photo of the gear that I did something supremely stupid (long story, & not very flattering) - and stripped the helical gear of my old Hickey Sidewinder winch. It's worked perfectly well for nearly 30 years now, and if I can find a replacement gear it may live for another 30. The number cast into it is: HE101311A The very talented machinists at the mine where I work offered to cast a new gear, if it weren't for the unknown helical cut of the teeth and the time required to figure out the keyway. Also, that original gear is all aluminum - as is nearly the entire winch, as far as I can tell. Anybody got a dead Hickey Sidewinder they'd be willing to sell the gear out of? They are simple to remove, and the gear alone is nowhere near as heavy to ship as the entire winch. Thanks!