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Discussion Starter #1
I have an Amplepower 120A 12V alternator burned up.
It looks like it is not adjustable :-(
It used on a Yanmar 4 cyl. 62hp with an external regulator Next Step.

Do you think the Delco 10DN could be a good replacement ?

Thanks in advance.
Stefano
 

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I don't know that alternator. I assume it is a general use one and not a specific for marine use.

Last year I have beefed up my electric charging capacity batteries capacity and I have learned something about it. Also found a competent electrician but that was way from Toscania in Sabiadouro.

If you want the best, probably it is Balmar. They have an Italian importer. Mastervolt is also good.

Welcome to Balmar

Alternators & charge regulators | Mastervolt Marine

If you are going to change the alternator probably it is a good idea to take the opportunity to mount a regulator (see Mastervolt site).

It was the Balmar dealer that had recommended me a very good electrician to do the work...and in the end I did not buy his alternator:eek: (did not have enough space on the engine compartment). It is very important to have a guy that knows what is doing and in what regards that job and they are not many
 

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Discussion Starter #3
Hi, and thank for reply.
I already have an External Regulator that is named Next Step (Amplepower).
I know the Balmar dealer and I've already asked him a quotation for a new Balmar alternator.
The price was € 800 including shipment. I think is too high. In the USA the street price is half of this !!!!!
So, I'm trying to understand if I can find something less expensive but still a good alternator.
Ciao.
 

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I have an Amplepower 120A 12V alternator burned up.
It looks like it is not adjustable :-(
It used on a Yanmar 4 cyl. 62hp with an external regulator Next Step.

Do you think the Delco 10DN could be a good replacement ?

Thanks in advance.
Stefano

These are good alts, I use the same high performance builder for my own brand of alts that Ample does. They use only the best of the best components. Balmar and Electromaax are also good as is Mark Grasser DC Power Solutions

That said any alt can wear out, even high performance alternators, especially if placed into hard duty and without the use of temp sensors.

The Ample is based on a 10DN but is very high performance inside. Your average "auto grade" 10DN will NOT hold up the way the Ample did and is in no way even similar in quality. You also won't likely find a Yanmar mount foot on a standard 10DN because the Ample cases are custom made and only "based on" a 10DN.......
 

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Discussion Starter #5
These are good alts, I use the same high performance builder for my own brand of alts that Ample does. They use only the best of the best components. Balmar and Electromaax are also good as is Mark Grasser DC Power Solutions

That said any alt can wear out, even high performance alternators, especially if placed into hard duty and without the use of temp sensors.

The Ample is based on a 10DN but is very high performance inside. Your average "auto grade" 10DN will NOT hold up the way the Ample did and is in no way even similar in quality. You also won't likely find a Yanmar mount foot on a standard 10DN because the Ample cases are custom made and only "based on" a 10DN.......
Well, this was I was thinking about, unfortunately.
On the other hand there is an enormous difference in pricing between the two.
I've seen the PowerMax alternator as an option that are less expensive and seems to be well built.
What do you think about them?
Thanks.
 
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