As far as I know, all CMP dump bodies were hydraulically powered from the PTO (the transfer case PTO, not the transmission). This means that it is unlikely that there were any dump trucks equipped with a winch. (for the same reason - transfer case PTO already used for the 2nd rear axle - I haven't seen any listings for C60-X with a winch) This makes sense on another level - the electrical system on all trucks of the era, not just CMPs, didn't have the capacity of modern trucks to support loads like winches or snow plows and electric motors also were larger, heavier and I think less efficient due to advances in magnet technology. I think they would have preferred hydraulic over electric for applications that might get wet.
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