I bought a used TX-472 a while back, had posted some questions here about
it, and received helpful replies.
The people at US Tower gave me the following advice: ". the TRX80 . is
designed for towers 55' and under because of the weight. The winch capacity
is only 1500 lbs. I would recommend a TRX80HD with the pulley reduction and
a 2500 lbs capacity winch." The TX-55 weighs 670 lbs, and the TX-472 with
the motor drive is 1,210. That's quite a difference in weight and force.
So, if you're considering the 472, the TRX80HD is the way to go.
I'm looking forward to getting mine installed. It's a good thing we have
mild winters down here in Oklahoma. Of course, now watch it snow like
nobody's business! J
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