[AJD] Stupid questions 6v vs 12v B

[John B]

ALL John Deere Model B's, including the 1951 were shipped with 6 volt starters as original equipment and they used only one 6 volt battery. That is why the battery box on the B is smaller than the box on the A. The late A had a 12 volt starter and it used two 6 volt batteries hooked up in series in its larger battery box.
A properly tuned B will start just fine on a 6 volt battery with its 6 volt starter.

John Boehm
Woodland, CA
Visit my web site at vintagetractors.com


 
      From: Vern Evans <vern102 at msn.com>
 To: Antique John Deere mailing list <antique-johndeere at lists.antique-tractor.com> 
 Sent: Wednesday, July 20, 2016 4:51 PM
 Subject: Re: [AJD] Stupid questions 6v vs 12v B
   

All of my JD tractors from 1947 up are 12v. Look in your op manual, it will tell you. Your 51B probably had 2 6v batt's in series. Gen should have a tag on it stating voltage. Looks like somebody stuck a 6v coil on by mistake or stupidity. Volt reg should have volts on it some where.  Look up JD Tractor Data, it will tell you also.  Vern


________________________________
From: antique-johndeere-bounces at lists.antique-tractor.com <antique-johndeere-bounces at lists.antique-tractor.com> on behalf of Paul Sawyer <mustangpaul at gmail.com>
Sent: Tuesday, July 19, 2016 8:55 PM
To: antique-johndeere at lists.antique-tractor.com
Subject: [AJD] Stupid questions 6v vs 12v B

Ok y'all. I have some stupid questions.

How do you tell if a tractor has been changed to 12v?  The people who did the work on the tractor aren't here anymore so I can't ask. It has a 12v battery but a 6v JD coil. I can't see anything on the alternator/generator as it is heavily painted. There is a white ballast above the coil. That cuts voltage, correct?

The tractor is a 51 B.

Help!

If it isn't 12v, I want to move it there.

-Paul

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