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DSeries4 
Orange Level
Joined: 12 Sep 2009
Location: Ontario, Canada
Points: 7303
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 Topic: Best 8030 Alternator
Posted: 06 Sep 2023 at 4:57pm |
Took the alternator from the 8030 to our local shop as it has issues. They looked at it and mentioned that it is a combination of 2 or 3 different alternators all put together! The manual shows Neihoff alternators 80 and 100 amp for the tractor. What size Delco would work best, and would there be any fitment issues?
Many thanks!
Edited by DSeries4 - 06 Sep 2023 at 5:06pm
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'49 G, '54 WD45, '55 CA, '56 WD45D, '57 WD45, '58 D14, '59 D14, '60 D14, '61 D15D, '66 D15II, '66 D21II, '67 D17IV, '67 D17IVD, '67 190XTD, '73 620, '76 185, '77 175, '84 8030, '85 6080
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steve(ill)
Orange Level Access
Joined: 11 Sep 2009
Location: illinois
Points: 80183
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Posted: 06 Sep 2023 at 5:32pm |
they list a version of the DELCO 10SI with 100 amp output as a HEAVY DUTY "direct replacement"..
there may be cheaper options, but many are not 100 amp output.
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Like them all, but love the "B"s.
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Leon B MO
Orange Level
Joined: 12 Sep 2009
Location: Old Monroe, Mo
Points: 2098
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Posted: 06 Sep 2023 at 7:55pm |
A factory alt replacement for my 8070 was $1100 at Napa. We did a little searching and found a very nice 100amp unit for less than tha $200. Works fine. Bolted right on. Leon B MO
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Uncle always said "Fill the back of the shovel and the front will take care of itself".
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victoryallis
Orange Level
Joined: 15 Apr 2010
Location: Ludington mi
Points: 2876
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Posted: 06 Sep 2023 at 8:55pm |
Shoup has them since it’s over $200 they got free shipping and they are running a sale currently.
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8030 and 8050MFWD, 7580, 3 6080's, 160, 7060, 175, heirloom D17, Deere 8760
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Unit3
Orange Level
Joined: 17 Oct 2009
Location: NC Iowa
Points: 5529
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Posted: 06 Sep 2023 at 10:42pm |
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Call Carroll Imp in LuVerne, Iowa. They look like a Delco, but I don't know if they are. They have an alt that I have put on 3 of our 8000's. They come with a small pigtail wiring for the dash light and the right size pulley. Best things about them, is price and they work for years. I have tried Neihoff after Neihoff. After 40 years, they just will NOT work anymore. You might want to ask for Kevin and have him tell you what he has put on our AC's. Sorry, I don't know the name of the brand he sells me.
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2-8070FWA PS/8050PS/7080/7045PS/200/D15-II/2-WD45/WD/3-WC/UC/C
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SteveM C/IL
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Joined: 12 Sep 2009
Location: Shelbyville IL
Points: 8159
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Posted: 07 Sep 2023 at 8:09am |
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Think my 2 replacements on 8070's are Bosch. Have to run a switched wire to excite. Not overpriced either.
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PeteMN
Bronze Level
Joined: 12 Sep 2009
Location: Hutchinson, MN
Points: 196
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Posted: 07 Sep 2023 at 4:36pm |
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I took a Neihoff to the local starter/alternator rebuilder. He said parts are too expensive to rebuild them. He recommended a Delco 10SI. It works fine. Some bale monitors can have problems with the Delco alternator, not sure if the Delco has a slightly higher voltage output or what, but it can cause a bale monitor to shut down unless you run with the headlights turned on all the time.
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Hurst
Orange Level
Joined: 11 Sep 2009
Location: Midway, Ky
Points: 1211
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Posted: 08 Sep 2023 at 10:51am |
Look at the Delco CS130. It's the newer replacement for the 10si. Can look up the late 80's-early 90's chevy vehicles for these. The corvette of that era used one that is supposed to have the same bolt pattern as the 10si. I have one on my 7000. Only catch is that the tach reads a little slower with the factory pully (factory was a 10si). It may match up fine with a Neihoff application though, as I think when switching to a 10si from a Neihoff you have to use a slightly larger pulley to keep the tach reading correctly. But if you read up about them, they put out cleaner power than the 10si alternators, and tend to be more reliable. They also put out more amps at lower RPMs if you look at the amp/rpm curves.
Hurst
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1979 Allis Chalmers 7000
5800 Hours
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