allis chalmers power unit
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=37663
Printed Date: 12 Nov 2025 at 1:46pm Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com
Topic: allis chalmers power unit
Posted By: darrel in ND
Subject: allis chalmers power unit
Date Posted: 21 Sep 2011 at 7:56am
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I am kind of fishing for some advice or input here. Here's the deal: I have a concorde air seeder, and bought a new to me, but used air cart for it about a year ago, with a 2 cylinder air cooled Lombardini diesel engine that that powers the blower. When I put it to work this last spring, the engine turned out having more oil leaks than not, and resulted in quite a mess, as well as dripping oil on the belt and causing it to slip. Now I have been around a few of these Lombardini engines on the concordes (They were a factory installed option by concorde) and for the most part never heard of any trouble with them, but I am considering buying an Allis power unit to put on there instead of the Lombardini, because I have no idea where to take the lombardini to to get it worked on, and I think it would be kind of neat to put an allis engine on there. I'm not sure what model Allis power unit would work best, but It would have to be D17 sized or smaller. Even a D17 would be an over kill, cause I'm thinking that 20 to 25 HP would be enough. So, any thoughts here; should I try to get the Lombardini fixed up and stick with it, or would an appropriately sized allis power unit be a god substitute, and if so, where could I get a good rebuilt one, and how much should I expect to pay for one? Thanks for any input, Darrel
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Replies:
Posted By: Brian Jasper co. Ia
Date Posted: 21 Sep 2011 at 9:58am
If 20 to 25 HP is all you need, I'd guess a B125 power unit ought to have enough to run it. I've repowered stuff with different engines over the years. If you're good at fabricating, go for it.
------------- "Any man who thinks he can be happy and prosperous by letting the government take care of him better take a closer look at the American Indian." Henry Ford
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Posted By: wjohn
Date Posted: 21 Sep 2011 at 12:42pm
You should be able to get Lombardini parts through Kohler. However, if you're planning on having someone else do the work, I don't know if most of Kohler's service techs are trained on Lombardini engines or not.
------------- 1939 B, 1940 B, 1941 WC, 1951 WD, 1952 CA, 1956 WD-45
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Posted By: Kcgrain
Date Posted: 21 Sep 2011 at 1:04pm
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The only down side I see is the same problem we have with our sprayer, which is equiped with a Honda Gas engine, and that is you always have to have gas on hand for just that, where our trucks all have diesel tanks on for the farm equipment.
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Posted By: darrel in ND
Date Posted: 21 Sep 2011 at 2:15pm
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Any one know where I could get a good B125 power unit? I think it wouldn't be terribly difficult to mount, and having gas around for it wouldn't be an issue for us. I probably wouldn't be as efficient as the diesel, but it shouldn't be just too bad either. Thanks for the input, Darrel
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Posted By: DonDittmar
Date Posted: 21 Sep 2011 at 2:31pm
Check Surplus Center, last catalog I got they had a small 15hp Kubota Diesel, and some smaller and larger too.......if you want diesel
------------- Experience is a fancy name for past mistakes. "Great moments are born from great opportunity"
1968 D15D,1962 D19D Also 1965 Cub Loboy and 1958 JD 720 Diesel Pony Start
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Posted By: 427435
Date Posted: 21 Sep 2011 at 3:57pm
I bought a used Simplicity 7790 with a 2 cylinder Lombardini air-cooled engine in it (10LD-400-2). It was leaking fuel from the top of the fuel pump. A couple of new copper washers and a couple of O-rings solved the problems. I got the copper washers from the local fuel injection repair station and the O-rings at the hardware store. I think the leak was mostly from the O-rings.
I did have to overhaul the engine due to grass plugging up the cooling fins and the rings losing their temper from overheating. I got the pistons, rings, and a gasket kit from http://www.psep.biz/ - http://www.psep.biz/ . It was an easy engine to work on. It now runs fine and just sips fuel.
Kohler has bought them and you may be able to get service manuals from them. I have service and parts manual for my engine, which I could email you if you're interested.
------------- Mark
B10 Allis, 917 Allis, 7116 Simplicity, 7790 Simplicity Diesel, GTH-L Simplicity
Ignorance is curable-----stupidity is not.
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Posted By: Dayton
Date Posted: 24 Jun 2023 at 10:49am
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Could you send me the service manual for the Lombardini engine sir
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Posted By: rtwfarm
Date Posted: 24 Jun 2023 at 11:40am
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B power unit 402-469-1738
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Posted By: im4racin
Date Posted: 24 Jun 2023 at 12:11pm
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You had the clutch housing from a 125. I have the rest
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Posted By: AC7060IL
Date Posted: 25 Jun 2023 at 6:44am
Dayton wrote:
Could you send me the service manual for the Lombardini engine sir | welcome to the AC forum. The great individual 427/435, Mark Sickman, was a previous AC ATD (ag tractor division) engineer lead for the 8000 series tractors. Mark passed away in 2016. His reply that you’re responding to was posted in 2011. Here’s a weblink that I found for the Lombardini diesel engines. I haven’t used it myself, but it looks like it offers what you might need? Just locate your engine model & click on it to view whatever parts & shop repair specs being offered. https://deltaservicedieselengines.com/en/lombardini-engines-208" rel="nofollow - https://deltaservicedieselengines.com/en/lombardini-engines-208
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