Value of an A-C Electric Motor?
Printed From: Unofficial Allis
Category: Allis Chalmers
Forum Name: Farm Equipment
Forum Description: everything about Allis-Chalmers farm equipment
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=148275
Printed Date: 14 Sep 2025 at 1:03am
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Topic: Value of an A-C Electric Motor?
Posted By: steelwheelAcjim
Subject: Value of an A-C Electric Motor?
Date Posted: 07 Mar 2018 at 6:10pm
My local grain elevator just removed it from their feed grinding equipment, It's 25HP, 440V 3-phase. It is burned out. The supplier would not take it for a core and told the Managers to just scrap it. Is there any collector following for these? What is one worth just for looks? Just found it so i didn't have time to call the scrap yard for a quote. Any ideas?
Thanks.
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Pre-WW2 A-C tractors on steel wheels...because I'm too cheap to buy tires!
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Replies:
Posted By: DougG
Date Posted: 07 Mar 2018 at 6:12pm
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Really doubt it,,, I was working at AT T in St Louis a few months ago and they have a few AC electric motors running various stuff, they were installed in the 30,s , pretty neat
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Posted By: Ken(MI)
Date Posted: 07 Mar 2018 at 7:15pm
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Scrap motors are paying pretty good right now, other than that, used and especially burned up three phase motors aren't in high demand.
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Posted By: DaveKamp
Date Posted: 07 Mar 2018 at 8:04pm
A motor rewinding shop could probably get it back in operation for a reasonable price (considering replacement)... as long as the 'burned out' is in the stator (not the rotor). A set of bearings with shields, a good cleaning, and it'd go another hundred years.
I salvaged an AC 7.5hp 1800rpm motor from an old air compressor, it had some wiped-out bearings and boogered up shaft... a little cleanup with a file and some emory cloth, blew out the crud, put in new bearings, and mounted a toothed-belt on it, now it's in the belly of my Monarch 10EE lathe, driven by an Allen-Bradley 1336F varible frequency drive at up to 180hz, it'll really cut metal...
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Ten Amendments, Ten Commandments, and one Golden Rule solve most every problem. Citrus hand-cleaner with Pumice does the rest.
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