6v generator w/cutout question

Farmall C, Super C Tractors, 200 & 230 1948-1958
Forum rules
Notice: For sale and wanted posts are not allowed in this forum. Please use our free classifieds or one of our site sponsors for your tractor and parts needs.
5+ Years
5+ Years
Posts: 103
Joined: Mon Jul 11, 2016 11:13 pm
Zip Code: 52625
Tractors Owned: 1949 C, 1953 Super M, 1953 Super H, 1955 Cub LoBoy, 1967 Cub LoBoy, ?? 574

6v generator w/cutout question

Postby mikes5785 » Thu Aug 31, 2017 9:53 am

I have a 49 C with a 6v generator and I'm told a cutout (IIRC, the rotary switch on the dash has 6 or 8 positions). I'm trying to figure out how this thing functions.

1. Being 6v positive ground which way will the ammeter point when charging the battery?
2. What should the output voltage be in low charge? High charge?
3. What are all the possible switch positions, it "seems" to me there are more positions available in the switch than I was told, but I do suffer from CRS.



User avatar
501 Club
501 Club
Posts: 4814
Joined: Wed Nov 22, 2017 6:24 am
Zip Code: 00000
Tractors Owned: .
1970 International 140
1972 International 140
1949 John Deere A
1993 Ford 4630 W/Loader
1965 John Deere 110
1961 Cub Cadet Original
Circle of Safety: Y

Re: 6v generator w/cutout question

Postby Slim140 » Thu Aug 31, 2017 11:14 am

The amp gauge will show a positive charge if it's charging doesn't matter if it's negative or positive ground. If you're 100% sure it's charging and it shows negative charge all you have to do is switch the wires on the amp gauge to correct it. Not sure about the rest of your questions, someone will be able to tell you.
Every home is a school, what are you teaching?

Circle of Safety

User avatar
John *.?-!.* cub owner
Team Cub Guide
Team Cub Guide
Posts: 23689
Joined: Sun Feb 02, 2003 2:09 pm
Zip Code: 63664
Tractors Owned: 47, 48, 49 cub plus Wagner loader & other attachments. 41 Farmall H.
Location: Mo, Potosi

Re: 6v generator w/cutout question

Postby John *.?-!.* cub owner » Thu Aug 31, 2017 11:31 am

If it has the normal light light switch for a cut out, positions are L (low charge, approx 2 amps), H (high charge, approx 9 to 11 amps), D (dim lights with high charge), B (bright or less dim lights, plus high charge). L is for extended run time to keep from overcharging the battery and boiling it dry. H is for faster recharge when only running for short periods or a lot of stop and start type use.
If you are not part of the solution,
you are part of the problem!!!

Jim Becker
Team Cub
Team Cub
Posts: 16453
Joined: Sun Feb 02, 2003 2:59 pm
Zip Code: 55319
Circle of Safety: Y
Location: MN

Re: 6v generator w/cutout question

Postby Jim Becker » Thu Aug 31, 2017 11:39 am

A cut-out charging system does regulate voltage, the battery does. If working, the voltage will be whatever it takes to push the amperage John listed. If you measure battery voltage with the engine off and again with the engine up to speed, the increased voltage will tell you it is charging.

  • Similar Topics
    Last post

Return to “Farmall C, Super C, 200 & 230”

Who is online

Users browsing this forum: No registered users and 0 guests