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Old 09-07-2021, 05:54 PM   #1
City: Victoria
Join Date: Aug 2021
Posts: 1
1999 GB 42' Motor Yacht

Hi all,
We have a 1999 42' GB Motor Yacht under contract and are going through survey and sea trial later this week. Boat has the 210HP Cummins with 3,100 hours and has been very well maintained with records. (2 cabin model)

As this is our first GB, I thought I would ask if there are any areas that should be looked at specifically in the survey process.

We obviously have a well respected surveyor but just thought I would ask the wealth of knowledge that is this forum in case there are any "little things" that one should be aware of or dug into further prior to purchase.

Thank you.
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Old 09-07-2021, 06:05 PM   #2
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City: Narragansett Bay
Vessel Model: Grand Banks 36
Join Date: Sep 2016
Posts: 1,650
Water will be your biggest enemy. Be sure to get a Surveyer that at least claims to be proficient with a moisture meter. Water under the teak in the cored fiberglass is a priority if the teak is screwed down. If it’s got antennas on the sides of the flybridge that is another source for water to find it’s way into the sides of the flybridge. In the long run they are rock solid boats and you will love it. Congratulations and good luck with your new boat.
I don’t regret 1 minute of owning our 37 year old GB.
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Old 09-07-2021, 06:21 PM   #3
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City: Au Gres, MI
Vessel Name: Black Dog
Vessel Model: Formula 41PC
Join Date: Jul 2015
Posts: 18,067
Welcome aboard. Agree with the above response. I donít know when GB went to glued down teak decks but if they are screwed down then the potential for leaks into the core are very high. Good luck and hope it works out well.
Boat Nut:
If you are one there is no explanation necessary.
If you arenít one, there is no explanation possible.
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Old 09-13-2021, 10:30 AM   #4
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City: Little River, SC
Vessel Name: Time Makes Two
Vessel Model: Grand Banks Europa 42
Join Date: Jul 2017
Posts: 36
You might try joining the Grand Banks Facebook group. There are many knowledgeable GB owners that may provide some insight to your questions now and later on if the deal goes through.
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Old 09-14-2021, 08:12 PM   #5
City: Norwalk
Vessel Name: Summer Wind
Vessel Model: Grand Banks 42
Join Date: Jan 2021
Posts: 17
Congrat's. We purchased a 1999 42 Grand Banks with Caterpillar 3208 375 Hp. Spent the winter refurbishing the engine. Best decision I could make. It is a 1999 so it will need a little extra care Find a mechanic familiar with Cummin's. After that enjoy every moment.
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Old 09-17-2021, 11:44 AM   #6
Senior Member
City: Oradell
Vessel Name: Silver Lining
Vessel Model: 2003 42í Grand Banks Europa
Join Date: Sep 2020
Posts: 175
Congrats on your purchase.
In my opinion, you, like myself, are blessed having the best engine ever made.
The 6 BT5.9 is by far the most reliable engine I know. You really will have to go out of your way to kill this engine. Change the oil every 100 hours, keep the water flow going by changing the impeller, check or replace your heat exchanger and you’re good to go.
The mechanical fuel injector is the lifeline of this engine. Sometime in the next 300-500 hours, ( if not done previously within the past five years or 400 engine hours), I recommend pulling and brining it and your injectors to a fuel pump rebuilder. They will check, calibrate all components. Aside from that you are good to go.

This engine will outlive you and your children.
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Old 10-12-2021, 05:42 AM   #7
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City: Suffolk
Vessel Name: ENCORE
Vessel Model: 1972 Grand Banks #32-322
Join Date: May 2015
Posts: 45
As others have said, leaks from the screws fastening the teak decks down. Also the cabin windows for leaks and even more important, the tops of the steel fuel tanks for rust. It's a common GB problem and expensive to fix if the tanks haven't been replaced (most commonly w/ aluminum).
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