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Old 12-22-2015, 09:09 PM   #1
City: Worden
Country: US
Join Date: Dec 2013
Posts: 2
Considering Jefferson 42...pros n cons?

As we steadily creep toward retirement, the Admiral and I are looking at Mainship 40's and Jefferson 42 Sundecks. I don't see a lot of discussion here on Jeffersons. The 42 with Cat 3208's seems to be a lot of boat for the money. I see some have replaced with aluminum fuel tanks. Are the originals problematic? Main issues with a late 80's Jefferson? While I'm sure the larger displacement and larger engines will be thirstier, the extra room and much lower acquisition cost leaves room in the budget for fuel. We will be looking at doing the loop. Thoughts?

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Old 12-22-2015, 11:16 PM   #2
City: Hotel, CA
Country: Fried
Join Date: Sep 2011
Posts: 7,576
Someone here in the Bay Area has or had one and he loved it. Hopefully either he or Flywright will chime in soon with more details. They do seem well priced.

Craig - AKA Some Clueless Idiot

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Old 12-23-2015, 06:51 AM   #3
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City: Marathon
Country: Usa
Vessel Name: silver gift
Vessel Model: 45 jefferson
Join Date: Nov 2013
Posts: 160
Have a 1988 Jefferson 45 with Perkins so its a 8/10 knot boat. Yes I did replace the fuel tanks but that was just age and fuel mixture sitting to long and rusting thru the tanks after a tank polishing/ cleaning. Plenty of room ,storage, and a overall great boat. Water damage under windows ,but just needed to be sealed again. Repainted hull ,and typical updates,repairs. 3208 was a option when new or the Perkins. Living aboard in the keys at our slip and could not ask for a better live aboard or cruiser, enjoy .
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Old 12-23-2015, 07:34 AM   #4
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City: NC-Fl
Country: US
Vessel Name: Blue Bayou
Vessel Model: Hatteras 43 MY
Join Date: Feb 2014
Posts: 79
Dont be scared of the 3208's on fuel economy. I burn 3.5-4.0 gph @ 7.0 kts. Why give up room of a sundeck model for fuel burn. Its not a large amount of difference. The 3208's are known to blow head gaskets between 20-25 years old. Ask me how I know. Both of mine have been changed out recently. Other than that, the cats are great engines . I cant say about the Jefferson. Usually if you get a great price on something there is a reason. Hatteras boats have fiberglass tanks through out so I dont worry about it. BTW, our 43 is for sale. The older Hatts are great too.
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Old 12-23-2015, 08:34 AM   #5
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City: California Delta and SF Bay
Country: Sacramento, CA, USA (boat in Vallejo)
Vessel Name: FlyWright
Vessel Model: Marshall Californian 34 LRC
Join Date: Apr 2008
Posts: 8,450
My best friend recently sold his 1986 42 Jefferson sundeck with twin Perkins 6.354's. It was a great boat that served him well for 9-10 years. The ER was tight with the Perkins. The Cats will swallow up much more of that ER. I'd want to make sure I could reach all maintenance points on the engines.

His tanks were clean and healthy when he sold. A few years ago, one tank had a pin hole leak at a single point where it appeared a weld droplet sat for many years before letting go. It was an easy repair to that tank. He told me they were rust free behind those sound tiles. YMMV

They sure have a lot of space for their size, but you'll go up or down steps all day long. Not a bad trade off for so much space. I've been on that boat with 10-12 people and with so many separate spaces, there was no problem. We both felt that one feature the boat lacked was a cockpit. Apparently the 46 remedies that with a 4 ft cockpit. Also, the ladder to the swimstep got lots of use on his boat. He would have preferred steps, especially for his special needs daughter with mobility problems.

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