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Cummins 6cta's

  • Thread starter Thread starter whoover
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whoover

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Jul 11, 2011
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857
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  1. OWNER - I own a Hatteras Yacht
Hatteras Model
42' CONVERTIBLE (1971 - 1978)
I have a friend looking at a boat with these engines rated at 450hp in a formula express. Any opinions on this arrangement, any firsthand experience with these engines.

Thanks
Walt Hoover
 
are you sure they're the 450's? i had a pair at 430,hp wonderful engines. The 6c's are commercial grade, easier to rebuild vs the 6b's. like bostonhatteras said, Tony A likes them. Check out his website. Make sure that the engines turn rated rpm, and the h/e have been cleaned within the past 3 years. Check for exhaust leaks. All the basic diesel things. But my 430 mechanicals were fuel efficient and easy to work on. Loved them and would love to find a small hatt with them.
 
As to Hp I was just reading the listing so I'm not sure. The boat is a 1999, pics look good but it's wrapped up for the winter. I said I would find some information about it for him. I'm a big fan of Tony Athens, I bought shower heads from his company and first class product.

Walt Hoover
 
Good engines and they've been around for a long time. Everything I've ever obtained from Tony Athens has worked exactly as described, no problems.
 
The 6CTAs are great engines indeed, I repowered my 53MY with factory remans. Mines are 435hp but there is a 450hp version which I believe was called Diamond Edition.
 
Thanks I will pass this on to him. He started looking for a 25 to 30 foot bow rider day boat and now he is up to a 40 with diesels. This boat is priced at 100,000.00 canadian so it bears looking at.

Walt Hoover
 
I have owned two Formulas, and have always been very impressed with the quality and thought that goes into their models. This looks like a nice one that shows pride of ownership. Looks good to me!
 
whoover said:
I have a friend looking at a boat with these engines rated at 450hp in a formula express. Any opinions on this arrangement, any firsthand experience with these engines.

Thanks
Walt Hoover
Click to expand...
Pass this to your friend.
 

Attachments

Generally great motors. I’ve been on a few 40 pc’s with these and they run well
 
Nobody may realize this but that 8.3L engine has been around for a long while.
Over shadowed by the many & popular 4 & 6Bs.
The 8.3 in the QSC version outing up to 650 HP.

Other than that F%^&*ng SheetWood raw water pump, really a good engine.
 
Last edited:
With the drastic price reduction, the boat sold before he could see it. I felt that it was more boat than he wanted and he is not a wrench turner. If the head didn't work it would ruin the day. It's alot to take on for a first boat. Thanks for all opinions.

Walt Hoover
 
Seaboard Marine sells a much better seawater pump for Cummins B and C engines.
 
No kidding. One of my friends has Cat 3208s and I'll bet he rebuilds at least one SW pump yearly.
 
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