MF3165 Alternator Type

   / MF3165 Alternator Type #1  

superbrat123

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Aug 18, 2022
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2
Tractor
MF 3165
I have a Mf3165 and I want to change to an alternator from the old Generator. Can anyone tell me what alternator and how to wire it up?

Thanks John
 
   / MF3165 Alternator Type #2  
6 pr 12 volt genny? If it's a 6 volt, you will have to add a dropping resistor or change the entire system over to 12 volt. I'd suggest a one wire alternator the fits in the provided mount with a drive pulley that matches what you already have.
 
   / MF3165 Alternator Type
  • Thread Starter
#3  
It's 12v. Thanks
 
   / MF3165 Alternator Type #4  
Then any single wire alternator that will physically meet the dimensions and correct sheave size will fit.

Only difference between a single wire and multiple wire alternators is, a single wire will be internally regulated, a multi wire requires external regulation.

Yo will need to remove the external regulator (and there will be one) for the generator. Usually mounted on the generator itself.
 
   / MF3165 Alternator Type #5  
I have always used ac delco for them cheap and readily available you can use the one wire self
Exciting or the three wire with plug
Just have to run a wire from key or oil pressure switch to excite alt
Tractor is almost as old as I am
 
   / MF3165 Alternator Type #6  
I have always used ac delco for them cheap and readily available you can use the one wire self
Exciting or the three wire with plug
Just have to run a wire from key or oil pressure switch to excite alt
Tractor is almost as old as I am
Probably a good idea as there are a of imported (as in Chinese) alternators on the internet and far as I'm concerned, most all of them are suspect. I'm a Delco person as well
 
 
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