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mhbier 
Bronze Level
Joined: 17 Feb 2015
Location: Montrose, co
Points: 34
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 Topic: 6to12 conversion
Posted: 10 Feb 2024 at 5:37pm |
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Any suggestions about converting my D14 AC from 6 to 12? What kind of alternator, what kind of coil etc.? Thanks
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steve(ill)
Orange Level Access
Joined: 11 Sep 2009
Location: illinois
Points: 81103
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Posted: 10 Feb 2024 at 6:22pm |
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any alternator with an INTERNAL VOLTAGE REGULATOR would be fine.. The "old reliable" was the DELCO 10SI ...... The last 10 years many people have started using the SMALLER DELCO CS130 , or the DENSO mini alternators. The wiring is similar for all. Tell us which one you get and we can post a wire diagram.. ... Coil is not a big deal.. Just get a 12 volt ( with internal resistor) at the local Auto store or Amazon, etc.
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Like them all, but love the "B"s.
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steve(ill)
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Joined: 11 Sep 2009
Location: illinois
Points: 81103
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Posted: 10 Feb 2024 at 6:24pm |
This is a common alternator to use... the "three wire" is a better choice than the "one wire".. 
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Like them all, but love the "B"s.
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steve(ill)
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Joined: 11 Sep 2009
Location: illinois
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Posted: 10 Feb 2024 at 7:37pm |
something like this.......
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Like them all, but love the "B"s.
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DSeries4
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Joined: 12 Sep 2009
Location: Ontario, Canada
Points: 7332
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Posted: 10 Feb 2024 at 8:16pm |
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No alternator required. You can get the generator rebuilt and wired for 12 volt. Get a 12 volt voltage regulator, coil and points for 12 volt system. Done deal.
Did it to my 58 D14. Works perfectly.
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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)
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Joined: 11 Sep 2009
Location: illinois
Points: 81103
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Posted: 10 Feb 2024 at 8:38pm |
You can get the generator rebuilt and wired for 12 volt. Get a 12 volt voltage regulator..............
..what did that cost ?
Edited by steve(ill) - 10 Feb 2024 at 8:39pm
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Like them all, but love the "B"s.
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DSeries4
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Joined: 12 Sep 2009
Location: Ontario, Canada
Points: 7332
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Posted: 10 Feb 2024 at 9:02pm |
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I think it was around $150 a few years ago. But no mods required trying to make an alternator fit.
I have a bit of a pet peeve seeing modern alternators on classic tractors too. It's a cheap price to pay to maintain the tractor's originality.
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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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Ed (Ont)
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Joined: 08 Nov 2009
Location: New Lowell, Ont
Points: 1290
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Posted: 10 Feb 2024 at 9:35pm |
I like that idea Myron. Nice to keep the original look. 
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Steve in NJ
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Joined: 12 Sep 2009
Location: Andover, NJ
Points: 11791
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Posted: 11 Feb 2024 at 12:05am |
Everybody has their own opinion about how they want to set their Tractor up. When it comes down to it, going with an Alternator is the cheaper way to convert. I've converted a lot of 6V Gennies to 12, with mated VR's, as well as the Starter motors. Completely up to the individual. It is more expensive having the OEM components changed over, but again, like I said, it's up to the individual. We offer a 12V conversion for the "D" series Tractors in kit form with different options. If you visit our website, you can see what we offer. We specialize in electrical, but we touch a little on each category of the Tractor. ie-engine, drivetrain, fuel system etc. Steve@B&B bb-customcircuits.com
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39'RC, 43'WC, 48'B, 49'G, 50'WF, 65 Big 10, 67'B-110, 75'716H, 2-620's, & a Motorhead wife
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