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Old 08-17-2015, 10:28 AM   #1
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Shannon / Peninsular Diesel

Good Morning,

In my search for a 32'-36' Trawler I came across a Shannon with twin Peninsular.

Anyone familiar with the Shannon brand or the Peninsular diesels. Is peninsular part General Motors ?

Thanks,
Bill R. Chocowinity, NC
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Old 08-17-2015, 10:41 AM   #2
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Info on those engines here Bill:

Peninsular Engines - diesel - quality??

Not aware of Shannon Trawlers, but they had a good reputation in the sailboat world..
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Old 08-17-2015, 11:52 AM   #3
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Peninsular would not be my first (or second) choice for diesel power plant myself, rather specialized from a parts/service standpoint and reduced resale ability.
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Old 08-17-2015, 02:19 PM   #4
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Guys,

Thanks for the information, everything helps.

Bill R.
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Old 08-17-2015, 02:54 PM   #5
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Not a damn thing wrong with Shannon powerboats. They are well built and usually damn good looking. Check out Shannon Voyager 36. Beautiful boats!

I don't know much about the Penninsular engines.
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Old 08-17-2015, 03:06 PM   #6
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And if you are looking at the 36... There are only two on YW...one with Penninsular engines and the other with Cummins. Cummins would not be a bad choice.
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Old 08-17-2015, 03:15 PM   #7
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mmm never heard of Penninsular engines. I would imagine parts would be expensive and hard to find???
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Old 08-17-2015, 04:33 PM   #8
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Based on the GM 6.5l V8. This is a really big indirect injection aka swirl chamber or glow plug engine. Fuel consumption won't be as good as a direct injection. Also use aluminum exhaust manifolds and turbo crossover.

Not my favorite marine engine, but can get the job done.
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Old 08-17-2015, 04:42 PM   #9
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Quote:
Originally Posted by Baker View Post
Not a damn thing wrong with Shannon powerboats. They are well built and usually damn good looking. Check out Shannon Voyager 36. Beautiful boats!

I don't know much about the Penninsular engines.
Are these the same guys that build Shannon sailboats ?
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Old 08-17-2015, 04:48 PM   #10
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Quote:
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Are these the same guys that build Shannon sailboats ?

Yes!
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Old 08-17-2015, 06:19 PM   #11
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Guys,

Thanks again, They are beautiful and they look like boats !
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Old 09-18-2015, 09:51 PM   #12
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Just bought a 1987 Shannon 32 Brendan, built in Rhode Island, with twin Cummins 6BT 210 hp engines. Despite the year the decks & cabins are solid with very little crazing. The hull is very good, no blistering. Just a few leaks around a couple of windows, forward bit and 2 hatches. Oh and the biggie starboard fuel tank leaks.

She's a V hull with enough keel to prevent low speed slewing. Also, has an easy roll when on the mooring.

Plumbed engines to port tank and made the six hour trip home. Cruised at 15 knots @ 2000 rpm most of the time.

So, far so good. Now if I can get sound level down. My guess is in the high 90 decibel range.
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Old 09-19-2015, 04:40 PM   #13
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All,

We closed on a boat with Cummin's so the Pennisular's are no longer a concern
just worked out that the boat had Cummins.

Thanks for all the input,
Bill R.
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