[TowerTalk] US Towers HDX 572 MDPL Raising/Lowering Motor

Richard Zalewski dick.w7zr at gmail.com
Wed Jun 26 16:34:12 EDT 2019

I have had the Harbor Freight unit in use for about 1 year now with
absolutely no issues.  I use it with my 55' tower.


*Be joyful in hope, patient in affliction, faithful in prayer*

On Wed, Jun 26, 2019 at 1:27 PM David Needham <aa4vt.dave at gmail.com> wrote:

> I was asked to share what I had learned. Here is what I put together. The
> motor’s requirements are:
> Capacitor start, 1 HP, 1725 RPM,115/208-230 VAC, 13.4/6.8-6.7 amps AC,
> single phase, NEMA Frame 56H, Enclosure TEFC (Totally Enclosed Fan Cooled),
> Rotation CW/CCW (reversible)
> I relearned something from my days working in industrial plants that the
> model numbers of motors change often, so not all models offered up were
> currently available. My top three choices ended up being:
> 1.     Marathon Electric Farm Motor 5KC49TN0034X from Zoro.com, It cost
> $310.35 with free shipping, tax $27.92, Total $338.27
> 2.     Dayton 1K065BB from Grainger.com. Cost $389.98 plus tax plus
> shipping.
> 3.     68288, Smith & Jones from Harbor Freight. Cost $164.99 plus $6.99
> for $171.98 total.
> I bought #1. Similar Marathon motors were recommended by several. It looks
> to be of good quality. I liked the power connection junction box over my
> current one that is rusted out.
> #2 was recommended to me as the exact replacement for what US Towers
> provided. I am sure it is excellent. It looked to have the same junction
> box as my current one. I just opted to save the $100.00
> #3 met the specifications and was certainly the least expensive, but was
> not in stock at my local Harbor Freight to look at. It may be perfectly
> okay, but I worried about the quality for that price.
> There were others I found when filtering by the specs with the online
> websites. One Dayton motor was less expensive, but had a cradle mount I was
> concerned would trap water and rust out. Another was a Capacitor Start,
> Capacitor Run motor that was also less expensive. May have been just fine,
> but every one of the others was only Cap start, so I figured one less
> failure point.
> The only real issue with my current one is the junction box is 30% rusted
> away. If I can make of find a suitable replacement, I will keep it as a
> backup.
> Andy, NC4AB is going to send me a picture of his rain shield. Andy, maybe
> you post it to the whole group when you get a chance.
> Thanks again for the great response.
> --
> Thank you!
> David Needham, AA4VT (formerly K4AJA and K8AJA)
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