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orange81 
Bronze Level
Joined: 21 Nov 2009
Location: Jefferson, IA
Points: 4
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 Topic: looken at gettin an 8070 mfd
Posted: 21 Nov 2009 at 10:33am |
I am looking at getting a 8070 mfd the problem i have is that there are none to me close by that i can demo. Ive been told they are ruff riden in the field but i dont know for sure. I currently have a black belly 7060 and a 4-175 white. I would be replacing the 4-175. are there any real problems i should be looking for on this model or are they a pretty stand up model. thanks to all and have a great holiday season
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Dave King
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Joined: 24 Sep 2009
Location: OK
Points: 97
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Posted: 21 Nov 2009 at 12:51pm |
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Being so short-coupled, they do tend to buck a little, but a good set of radials on the front keeps that to a minimum. The history of the engine is highly important. If it has been turned up and not had extremely good maintenance, the engine will not have a long life. Running stock output with good maintenance will give the engine a decent lifespan, but not extraordinary. The transmission in that tractor is very reliable even under 190+ hp. Some 8070's have had the front axle moved foreword which should help the ride, but the turning radius for 60" row crop would be pretty bad. Overall, they're very good tractors, but not AC's longest lasting.
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orange81
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Joined: 21 Nov 2009
Location: Jefferson, IA
Points: 4
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Posted: 21 Nov 2009 at 1:22pm |
thanks for the reply, im looken at one that has just short of 5000 hrs with new radials all the way around and is a one owner machine that was supposedly "babied" for the last 12 years before that it was his big tractor and did all the tillage. it has had new bearings rolled in it 2 years ago as a precaution other than that not much has been done to it
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Bryan
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Joined: 12 Sep 2009
Location: Illinois
Points: 463
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Posted: 21 Nov 2009 at 6:05pm |
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You can move the front axle up. After the first year of use dad moved both of are 8050's up. I'll try to get a picture of it and post it for you to look at.
Edited by Bryan - 21 Nov 2009 at 7:06pm
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MI8050
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Joined: 08 Oct 2009
Location: West Central MI
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Posted: 21 Nov 2009 at 7:35pm |
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orange81
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Joined: 21 Nov 2009
Location: Jefferson, IA
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Posted: 23 Nov 2009 at 7:27am |
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thanks for the info guys and bryan i would be interested in the pictures if you can find them i think moven it forward would help
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Kcgrain
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Joined: 24 Sep 2009
Location: Wisconsin
Points: 770
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Posted: 23 Nov 2009 at 3:11pm |
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I am not sure why the comments on 426 engines read they were not some of " Allis best " or dont have a "long life" . These comments are rumours genertaed by the unknowing, or the people who bought a 426 from a bad home or very very poorly serviced. The facts of the matter is that the 426 is one hell of a powerful and long lived engine. The flaw in the 8070 426 was not the design, build or quality of the engine it was a poor fuel injection system that caused most if not all the problems. The Reliance Works has kits to solve that issue. The 426 is capable and designed to be a long living, powerful quick responced engine and it fullfills this with minimal care. In the 20 some years of the 8000 and 30+ years of the 7000 not to mention the start of the 426 back in the D-21 I have only seen 2 engines fail to the point of non repairable. 1 was due to the injectors being in upside down and the other was to a stuck thermostat and a constant cooking of the engine till it siezed
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Bryan
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Joined: 12 Sep 2009
Location: Illinois
Points: 463
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Posted: 23 Nov 2009 at 7:26pm |
It will probably be a couple of weeks before i can get some Pics. Stopped by tonight to get some pictures and my uncle has one of them and the other is in getting an overhaul. Almost 8000hrs on it, running 220-230 hp.
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Bryan
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Location: Illinois
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Posted: 05 Dec 2009 at 8:40am |
Orange81, I got a couple of picture but it wont let me delete my old pictures, so if you'll get me your email I'll send them to you. Dad say, the 4 bolts holding the axle to the frame need to be removed. Slide the axle forward till the back holes line up with the front holes. Put them bolts in and redrill and tap the front two.Ypu will also need to have the front drive shaft lengthened.
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Bryan
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Location: Illinois
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Posted: 22 Jan 2010 at 10:14pm |
Here is our 8050 with the front wheels moved out.
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