Generator or Alternator?

[ricky racer]

Okay, here are a couple of pictures of the alternator and external resisters.





Don't ask me what the light bulb is for.

I would assume that with the alternators, it's pretty safe to say that they've been converted to 12 volts.

[Eugene]

2nd photo, the light bulb is used to keep the alternator from back feeding the ignition system. Without the bulb the engine wouldn't shut off once it was started.

[ricky racer]

2nd photo, the light bulb is used to keep the alternator from back feeding the ignition system. Without the bulb the engine wouldn't shut off once it was started.

[Eugene]

http://s101.photobucket.com/user/farmal ... sort=4&o=3

[ricky racer]

Good info.... Thanks Eugene.

[Boss Hog]

My parts manual says the first alternator on a Cub was 1975, starting at serial number 248125.

The conversion from 6 volt generator to 12 volt generator took place in late 1962 at serial number 221293.

So, thinking converted from generator to alternator.

It was in 1964 Eugene, and it was a red and white cub

[Eugene]

It was in 1964 Eugene, and it was a red and white cub.

I have a wall fall of automotive and engine reference books. I just read them and report the printed material. I make no inference to their accuracy. I know of several references that have errors in the material.

So, , , , it's not my fault. It's someone else's.

[bob in CT]

You need a resistor, diode, or a warning light, in the circuit in between the alternator and the coil or there is enough voltage to keep the tractor running even with the key off.

[CharlieK]

snowed at HOG WALLOW also not to mention the WIND yesterday

[Smokeycub]

Hi Rick, Does either tractor have an oil pressure switch wired into the alternator? My Super C has been converted to a 12 volt negative ground alternator and has that oil pressure switch to activate the 10SI alternator, works flawlessly.

Could you possibly post a picture of this setup? Thanks.

I'll try to get some pic's. In the mean time here's a site Eugene posted some time ago from Yesterdays Tractors, http://www.yesterdaystractors.com/ttalk ... 32845.html
Hope that helps!

[ricky racer]

So since we've determined that they've been convered to 12 volts, what is the group size of the 12 volt battery that will fit in the battery box?

[Boss Hog]

26

[Bill E Bob]

Make that 26R (so the + and - poles are in the correct position)