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Restore or Replace?

S

Skeeter102

Member
The '46 B I just got came with the magneto lying on the seat of the tractor. Previous owner stated that the couldn't get spark with the magneto and just stopped messing with it.

It is the H4 magneto. I pulled it apart. Everything is pretty rusty. I got the armature out. The bearings have surface rust and the races are pretty pitted.

Is it worth trying to source these parts or should I just put in a distributor? This is not a show tractor, it will be a worker, thus needs to be reliable when I need it.

I'm leaning to getting a distributor but will rebuild the magneto if it is cost effective and reliable.

I assume, in addition to the distributor itself, I would need the drive shaft, distributor housing, and coil.

The tractor will be 12V negative ground.

Thanks for any help yall can provide.
 
You could probably find a used mag on craigslist. As a working tractor its fine.
I put a distributor on my C that came with a mag. Luckily I had a tractor around that I was willing to swap some parts off of. I took the distributor and the drive housing off my parts tractor and it went on the C just fine. If you had such a parts tractor, the swap is literally a 5 minute job.
I swapped the mag off because I pull with my C.
 
I don't think it could be cost-effective to rebuilt a (NOT rare) mag in that condition.

You can find working ones for $100 and up on ebay.

You can find complete working "battery ignition units" for $70 and up on ebay.

Of course, really nice "restored" units sell for a LOT more.

Any antique parts swap meets in your area?

Anyhow, you can go either way you choose, mag or distributor for not a HUGE amount of money.
 
AnI-H one should have everything needed. When you get one make sure the bushings are good and the shaft doesent wobble
 

I was thinking I'd get the one in the link below. It's the new one listed on this site.

http://www.yesterdaystractors.com/Farmall-B_Distributor-New_107304C91.html
 
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