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Crawlers, Dozers, Loaders & Backhoes Discussion Forum

Converting from generator to alt on 530ck diesel

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BKahler

01-03-2005 15:10:58

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I'm in the middle of an engine rebuild on the diesel and while everything is out I'm going to service the parts. What I'm wondering if it would be difficult to swap the generator for an alternator? If so, what make/model did you use? It would be nice if a GM alternator could be made to fit as they are cheap and reliable. I realize I'd have to switch from positive to negative ground and am assuming the hour meter will no longer work. Any other pitfalls to look out for?

Thanks,

Brad

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John Van Valkenburgh

01-04-2005 09:16:10

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Re: Converting from generator to alt on 530ck dies in reply to BKahler, 01-03-2005 15:10:58

I've got a 450 crawler with the 188 Diesel. I converted over to a standard 3 wire GM alternator and made the bracket you see here.

John
1968 Case 450

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stressfree

01-05-2005 02:57:32

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Re: Converting from generator to alt on 530ck dies in reply to John Van Valkenburgh, 01-04-2005 09:16:10

john if you look at your picture in the front overhang of your bracket i took a 1"x1/4" x 6" long bracket heated and twisted it was able to catch lower hole and welded it to the top of that bracket.takes the stress off the 2 bolts.john whats your serial # trying to see what year my machine is.

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motorhead460

01-03-2005 19:27:37

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Re: Converting from generator to alt on 530ck dies in reply to BKahler, 01-03-2005 15:10:58

Hi,just wanted to say watch out for the one wire type GM alt,some of them have to be reved to 2000-2500 rpm before they will put out a good 14.5 volt,they should charge around 12v all the time though.I would go with the standard GM 3 wire hookup.If your hour meter is 12v posi ground then you might just be able to swap the wires on it.I have read a few posts where people have to make a new bracket to mount the alt.Just my 2 cents.

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stressfree

01-04-2005 02:53:52

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Re: Converting from generator to alt on 530ck dies in reply to motorhead460, 01-03-2005 19:27:37

just did it on a case 450.go to page 6 and look up 1 wire alt.i think on page 4 is also alt bracket.when i get more time ill add wiring diagram i used for the gm alt.simple.best to make bracket out of frame.were here to help you.

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BKahler

01-04-2005 15:43:28

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Re: Converting from generator to alt on 530ck dies in reply to stressfree, 01-04-2005 02:53:52

Yep, thats what I"m looking for. Only thing I have to watch out for is the frame of the front end loader. It passes fairly close to the generator. If the GM alternator is to large I"ll check into the smaller ones. We use one from a Geo Metro on my wifes race car that is real small and puts out 50 amps. That might be the route I"d have to go.

Thanks for the info.

Brad

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