74M35A2
Well-known member
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Yeah, that’s a lunched alternator. For daytime use, the truck will crank and run for a long time on 4 batteries with an inop charging system.
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What have you done to your 5 ton this week?
- Thread starter dezert ratt
- Start date
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Thanks. Seems like I may be a candidate for a brushless unit too. Gotta figure out where those come from. Mine doesn't look as corroded around the middle as the one that m715mike has in the picture above on page 453. It obviously hasn't been touched by a wrench in long time though... My truck came in as a 2 battery system - with extra cables laying in the battery box. Had been planning to get 4 new - but there were a LOT of other things it needed first (until it wouldn't crank).
Thinking about it a little more: I did play with the lights since it was dark. Truck was running at the time, but the last ten minutes or so, I was checking tail, brake, running, front lollipop, and headlights... Ten minutes drain time even with LED headlights could have drained it of the charging system was marginal.
Have to say that big truck is no fun if it doesn't go "udden uddn"!
74M35A2
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I actually advise to go with a traditional brush type clone. They are affordable and work great. If you have an a2 (8.3), I sell a complete proper kit with both brackets, alt, pulley, and all fasteners for $40 above the total cost of parts. PM me, or you can research some threads here and go it your own successfully as well.
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I agree, go with the aftermarket unit. I scouted around for about 2 week looking for a good used or NOS unit and people are wanting $600 for one. Ugh..
- 7,716
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Thanks fuzzytoaster !
I am going to check in with 74M35A2 and see what he has available based on his post above..
I figure when I get this one off, there is a guy here in the neighborhood who rebuilds starters and alternators and generators. Problem is that he is "semi-retired" and if it is hot - he ain't workin! I don't want to wait that long, but having a repaired spare on the shelf would be neat. He is good at tracking down old stuff. He rebuilt the 6v generator on my dad's Model A. It took him six months, but he eventually got it done...
74M35A2
Well-known member
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$289 for full 8.3 kit. Can ship this week. You can safely shut your truck down in any switch order after the swap.
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Looks like two different customers junk has went to lunch at the same time, and need to upgrade. Think M715mike has 8.3, Mullaney looks to have something else. Assuming 855?
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I hate to admit that I don't know. Everything else on this truck has needed a little attention but the engine has been solid. Easy cranking with a couple of revolutions every time but the first... I figure somewhere on the truck or engine there has to be a data plate. Guess I will go look around.
Its an nhc250 which is in the nh855 family
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Thanks Wes!
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Got this girl all dressed up for work. I need to finish the cab interior then off she goes!
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- Charlotte NC
Super Nice looking truck!
- 7,716
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- Charlotte NC
Is there a place that explains the benefits of brushless vs regular brush type alternators and generators? Other than the obvious that there are no brushes riding on a copper coil? Does one have a higher output than another - or is it just flat out reliability?
Better reliability.
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I like it. What size tires are those?
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Thank you!
14.00 Goodyear AT-2, nothing special. I tried to keep this unit stock since it wasn't abused too much.
Except for the person who thought it was a DeLorean and tried to get the 21 jigawatts out of the alternatorThank you!
14.00 Goodyear AT-2, nothing special. I tried to keep this unit stock since it wasn't abused too much.
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And it was SO CLOSE TOO!!!
BenRoberts
Certified insane
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5ton water park for the kids 
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I completed the paint job on my M925
