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Old 03-29-2016, 11:38 AM   #21
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220B is turbo, but no aftercooler. It's a good engine.

I've been in the engine business for a long time, and still not sure what the heck "Diamond Series" means. I think some marketing guy came up with it and got some stickers printed.

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Old 03-29-2016, 11:46 AM   #22
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Wow, if I read and believe all the negative things about 3208s, I should immediately rip up my floor and convert my 3208T/As to anchors (opps sorry didn't mean to mention the "A" word)! So long as you do proper maintenance, and run most any engines will last for many many hours.

Also I think Ford Leahman were farm equipment engines.......They make great trawler engines.

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Old 03-29-2016, 12:00 PM   #23
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Originally Posted by cardude01 View Post
Is a 220hp Cummins B "diamond" engine a good engine? What does the "diamond" mean? This is about a 2002 year engine I think.

Is the 220hp version after cooled?
It is a perfectly fine engine....especially for the intended use of most of them. They are usually installed on boats that are not meant to maybe an Island Gypsy or a NT32. SO they live a very easy life in those types of installations and will last FOREVER! They have no charge air cooler(aftercooler) and no fuel cooler. Both of those things can make your life miserable and ruin your engine....although they do provide added power.

As far as what makes the a Diamond...I am not sure but I bet Ski can tell you. Edit: I guess Ski can't...hahaha. I did read somewhere that there is a difference or a reason they are called Diamonds. But when I heard it I remember thinking that it was marketing crap.
Prairie 29...Perkins 4236...Sold
Mainship Pilot 30...Yanmar 4LHA-STP...Sold
Carver 356...T-Cummins 330B
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Old 03-29-2016, 12:08 PM   #24
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The one thing that concerned me with 3208's was their rating of 30,000 gallons before overhaul. But I run two DD 8.2L's myself, as a mechanical amateur, so am not averse to turbo risks. I keep them very dry, cool, and clean and visit them often.
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Old 03-29-2016, 01:24 PM   #25
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There are many, many shrimp boats around here that have 10's of thousands of hours on them. These guys make their living and depend on there equipment-if it was a bad engine they'd removed them hours ago. Of course most shrimpers do their on mechanicing and don't like the computerized engines.
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Old 03-29-2016, 07:52 PM   #26
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I've replaced 2 turbo's port and stbd and 2 exhaust risers because the original install allowed sea water to back up into the exhaust side of the turbo. Cummins 330B's.

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Carver 355 ACMY Twin Cummins Diesels
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