Universal Atomic 3 Diesel alternator - SailNet Community

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Go Back   SailNet Community > On Board > Gear & Maintenance > Engines > Diesel
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Diesel This is a forum dedicated to diesel engines and their applicable accessories.


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Old 08-29-2010
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Universal Atomic 3 Diesel alternator

Newest of newbies thanks. Previous owner told me that the motor is a universal atomic 3 diesel. I a, confidant that it is a diesel and a 3. All kinds of problems already. The motor was running but not charging. Previous owner said he would take a look at it. He took the alternator off found out it was bad and i don't think i am seeing it again.(core charge) So now i am left with the motor and no part number to order a new alternator. Any help would be very much appreciated and if you know the part numbers for fuel and oil filters for this engine that would be great also.
Thank you.
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Old 08-29-2010
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Re the alternator any alternator that will allow you to line up the pulley correctly +- 2 mm will do. Take measurements and head to NAPA.

Before you go see if you have an external regulator for it. They will want to know that.
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Old 08-29-2010
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That's a very common engine.. a quick tour around your marina should turn up a few examples, I'd just ask around and get some data from them.

In addition to pulley alignment you'll have to be sure there's going to be clearance for the new alternator inside the compartment, and also that there's room to accommodate the length of the alternator alongside the engine.

btw these engines are mostly referred to as Universal Diesels - the Atomic label was only attached to the early versions.
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Old 08-29-2010
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I don't know anything about Universal Diesels--though I thought I had read that Universal didn't make the diesels with their name on it, only the gas engines. Maybe Westerbeke?

There is some information out there:

An Owners Manual
http://www.ewmanchester.com/CalDocs/...s%20Manual.pdf

And this looks interesting:
westerbeke, marine generators, engines, Official Site
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The Universal Diesels are basically marinized Kubota tractor engines. While it's doubtful that the tractors would have a high enough output alternator, there's another place to start looking.
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Old 08-29-2010
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I asked the same question a while back.
Maine Sail (one of the members here) suggests this place.
Spider Marine Electric Supply, Inc.
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that a wooden boat you have there Fly?
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Thanks for all of the replies yes it is a wooden boat so i have my work cutout for me. Lapworth 40 older than me and i am not that young. I will measure it the best i can i know that the alternator that came out of there was only 30 amp so i think i want something bigger any sugestions?
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Quote:
Originally Posted by Faster View Post
...btw these engines are mostly referred to as Universal Diesels - the Atomic label was only attached to the early versions.
This one would be very early.
Thanks

Last edited by Faster; 08-29-2010 at 04:08 PM. Reason: fixed quote
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Quote:
Originally Posted by deniseO30 View Post
that a wooden boat you have there Fly?
Yes wooden.
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