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TO35 Voltage

A

agdodge4x4

Member
I know I posted this yesterday but it must?ve not gone through.

I?m trying to figure out the voltage on a TO35 from 1955.

Serial 142xxx

Is this a 12v or 6v?
 
I'm thinking 55 was the year they changed to 12v, but could have been a mid year change?

Look for clues...

The tag on the generator, black is 6v, red is 12v.

Look for numbers on the regulator.

Check the coil, if 6 volt it will likely say 6 volt and there won't be a resistor ahead of it. Also 6v were positive ground, the coil will be wired with the + terminal to the distributor, - terminal to the switch.

Look at the number on any lamps. Look up the number, it will tell the voltage.

But a lot could have changed over the years. If it's converted to an alternator, 99.999% it's 12v neg ground.
 
(quoted from post at 16:41:34 07/13/19) I'm thinking 55 was the year they changed to 12v, but could have been a mid year change?

Look for clues...

The tag on the generator, black is 6v, red is 12v.

Look for numbers on the regulator.

Check the coil, if 6 volt it will likely say 6 volt and there won't be a resistor ahead of it. Also 6v were positive ground, the coil will be wired with the + terminal to the distributor, - terminal to the switch.

Look at the number on any lamps. Look up the number, it will tell the voltage.

But a lot could have changed over the years. If it's converted to an alternator, 99.999% it's 12v neg ground.
Click to expand...

OK. I don't have any tools on me right now to really get a lot apart, and everything is horribly rusted to the point I cannot see any numbers or stampings. Here are some pictures. Does this shed any light on anything?

https://photos.app.goo.gl/8cndx3KiyYb8e8Lr8

Also, there is no tach on the tractor, the spot is empty as it's been removed, and there may be a reason for that. ;)
 
The only clue I can see, the coil says "use without external resistor" which tells me the coil is a 12v. That says it was probably running 12v, but anything is possible.

If the starter is 12v, it will require 12v. If it's 6v, it will work best on 6v, but can be operated on 12v.

What are your intentions for the tractor?

If it's to be kept original, you'll need to keep the generator and try to get it working.

The tach drives off the back of the generator, another reason to keep the generator.

If this is more of a working tractor, and you don't care about the mechanical tach, the easy fix is to adapt a Delco 10SI alternator. It will be more reliable and easier to maintain and diagnose than the generator.
 
agdodge 4x4; The factory used 6 volt in 1955 up to serial number 161249. Then at S/N 161250 they used the 12 volt system.
 
My intentions for the tractor are to use it. However, I would like to have a functional tach. Is that possible to have 12V AND a useful tach? If not, then I may get it running well as it and then convert the whole thing back to 6V. I would have to locate a tach.
 
Took my generator to a rebuilder. He asked if I wanted it 12 volts. I said yes. Has worked great for several years and I still had the tac connections.
 
OK. So this has been converted to 12V. How do I get a new 'original' tach that looks like the one from the factory to work on a 12V system and a generator/alternator to go with it?

Where do I get a complete set of parts?
 

Based on my photos, how can I tell if the alternator/generator is original that may hook up to a tach or if its some sort of aftermarket job?

I don't mind throwing a brand new set of everything on this tractor to make the system work properly. But...I would like to have an original looking tachometer that works. Is this a possibility?
 
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