I am still looking for a 66" single drum comapctor (smooth w/pad foot shell kit). I can find many Bomag BW177s, and IR SD 70/77s. What I would like to have is a drive system that will put power to the drum and drive wheels regardless of traction loss to one or the other. I know that Cat has such a system due to seperate pumps and motors for drive wheel and drum. Is Cat the only one who has such a system? Can the effect be accomplished some other way, and more importantly does someone else offer said other system? Despite the obvious advantages on slopes, another primary concern is safe loading onto my trailer. I have loaded an SD77 on there many times, and it is pretty dangerous when the drum looses traction. I have not had this problem when loading Cats. I am not opposed to owning a Cat (I've had great luck with all the Cats I have owned) but they are usually much more expensive to purchase. I'm not sure I want to pay top dollar for a compactor that may not compact any better but climbs up the trailer better.
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