onan genset with AC
Printed From: Unofficial Allis
Category: Allis Chalmers
Forum Name: Construction and other equipment
Forum Description: everything else with orange (or yellow) paint
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=20291
Printed Date: 04 Apr 2025 at 3:29pm
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com
Topic: onan genset with AC
Posted By: divedigger
Subject: onan genset with AC
Date Posted: 03 Nov 2010 at 10:04am
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I just bought a 90KW onan generator with a MK11 allis in her! It was installed in the bank building in 1975 and has 875 hrs on it. I had talked to one of the genset companys about selling but they said the old Allis engines were hard get parts for and not that faithful! I think this yonng pup aint got nothin but yellow in his viens and dont know beans from apple butter about machinery! The only Allis I have is a 125 power unit on my wood spilter from a combine I was the sacker on when I was a pup. Anyway , I would appreacite any info on what I have and what to look and check for. It has has faithful maintance but I have heard of dry stacking where they just exercised and not really brought up to a good running temp and held for a while. I would like to hook her up and put a good load for a hr or 2 just to hear the bellor! Thanks for any input and time someone may have to pass on! Thanks Divedigger By the way I have Cat heavy eq that I make my living with but I like that inline 6 Allis even if it is Onan green!
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Replies:
Posted By: kip in cny
Date Posted: 03 Nov 2010 at 7:54pm
What your talking about is is called wet stacking its from running with no or low loads. To test it your going to need a load bank test done to it. Thats the only way to test it. The reason that guy said its hard to get parts for the motor is they they ordered the parts off onan thats the hard way going to a cummings dealer for allis parts. I never had much of a problem I just went to the allis dealer and parts a easy to get. Whats your plans with the unit 90kw ?
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160 CA 920diesel 5020 HD-3
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Posted By: divedigger
Date Posted: 03 Nov 2010 at 9:05pm
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Right now I am not really sure. I most diffently could not use the 60KW it produces on 1 ph and I have 2 PTO winpower units and everything takes about 15 min to be up and running but I would like to hear Ole Allis bellor. To be honest I just dont know yet, I have seen then on ebay from 5 to 10K but I really dont know what price for 35 yr old unit.Anyway Thanks a bunch for your time to reply! Divedigger
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Posted By: kip in cny
Date Posted: 03 Nov 2010 at 9:33pm
Yea their on e-bay all the time everyone thinks they have gold. I would say a 90kw without a load bank test is worth 3 to 6000 thats with a cooling systemand exhaust and 250 gal fuel tank and a good 3ph transfer switch. and not a onan switch that has the plug in the face with 3 to 6 cards in it. But with 800 hrs I would say its a 4000 max.
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160 CA 920diesel 5020 HD-3
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Posted By: Calvin Schmidt
Date Posted: 04 Nov 2010 at 8:47pm
If its a 90 KW, it will have the 426 cu.in 3500 MK II engine. I bought a 100KW with a 670T engine (newer version of the same engine) with 929 hrs on a trailer for $2G. I had an insider at the sewage plant.
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Nothing is impossible if it is properly financed
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Posted By: divedigger
Date Posted: 05 Nov 2010 at 9:46am
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Well I probably done good also only I did not get a wheel kit, jusy the transfer switch for 1K. Do you have a book on yours? The maintaince personal have changed alot since it was installed, so they said they would look but dont hold my breath. I just like to have paper work with anything i own just in case. I would like to find a load bank and test it, but the Cat house seems to have the monopoly for my area. Thanks for the reply! Divedigger
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