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Oliver, Cletrac, Co-op & Cockshutt Tractors Discussion Forum
:

Oliver oc-3 pto alternator

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mikewood869

01-12-2021 17:13:15




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Anyone ever get a one wire alternator for a Oliver oc-3?




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Jethrow4

01-13-2021 06:41:26




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 Re: Oliver oc-3 pto alternator in reply to mikewood869, 01-12-2021 17:13:15  
I installed a Delco 10SI alternator in my OC-3 a while ago using the attached schematic. Low RPM's were never a problem. Also replaced the magneto with a Farmall H distributor. Worked great, allows you options for a high output coil. Have since sold the machine.



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MikeS55d

01-12-2021 22:31:42




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 Re: Oliver oc-3 pto alternator in reply to mikewood869, 01-12-2021 17:13:15  
Here is an earlier thread on the conversion.

https://www.yesterdaystractors.com/cgi-bin/viewit.cgi?bd=crawlers&th=111792



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MikeS55d

01-12-2021 22:22:24




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 Re: Oliver oc-3 pto alternator in reply to mikewood869, 01-12-2021 17:13:15  
I converted my early OC46 (same engine as the OC3) using a small Denso alternator that is common on sub-compact diesel tractors such as JD. It is very small and fit in the OC46 engine bay unobtrusively. I followed instructions posted on this forum probably 10 years ago, he also posted them on the old Cletrac forum. My conversion has been working perfectly for around 8 years.

He has a YouTube video of the finished conversion. I found an old bookmark of what I think that I used, got it from Rareelectric.com.

https://www.youtube.com/watch?v=B37YWbXImTE

https://www.rareelectrical.com/i-26880810-new-alternator-fits-john-deere-tractor-3120-3320-3520-4200-129423-77200-101211-1170.html

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mikewood869

01-12-2021 19:48:55




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 Re: Oliver oc-3 pto alternator in reply to mikewood869, 01-12-2021 17:13:15  
Thanks, anyone have any luck getting one? Been have some trouble getting one. The last one seems a little big.



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old

01-12-2021 20:39:12




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 Re: Oliver oc-3 pto alternator in reply to mikewood869, 01-12-2021 19:48:55  
I can buy a 3 wire alternator all day long from my local O'Reilly's for around $50 plus a $10 core



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banjoman09

01-12-2021 19:40:50




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 Re: Oliver oc-3 pto alternator in reply to mikewood869, 01-12-2021 17:13:15  
The one- wire alternator has a "self-exciting regulator" so thus needs only one wire and looks cleaner and easier to install. The draw back with this alternator is you need rpm to make it charge; if your going to idle around much and no rpms then the 3-
wire is the way to go. My opinion.



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old

01-12-2021 18:07:48




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 Re: Oliver oc-3 pto alternator in reply to mikewood869, 01-12-2021 17:13:15  
I put a 3 wire on the OC-3 I had but that was years ago and I have sold it since



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