Thread: Cat 3116 & 3126
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Old 01-05-2020, 05:34 PM   #4
ghost
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City: Anacortes
Join Date: Nov 2012
Posts: 1,189
Hard question to answer given that a low percentage of marine diesels in pleasure boats die from hours related failure in the first place. Relatively few pleasure boats in that age group reaching that number as well. Can’t trust a rule of thumb based on hours when that number is going to be based on a low sample rate. It’s basically unanswerable.

I’d be looking for general condition and the only hour condition that was likely to ring an alarm would be low hours.

Cats in pleasure service are usually rated in the 20-30K gallons of fuel range. So hour wise, the distance between scheduled overhauls is a lot, certainly a lot more than 4K hours.

Doesn’t mean you won’t be spending serious cash on engine work in practical experience, just saying it is low probability that it will be based on predicted hours. Spend the money to zero the cooling system tip to tail and you will be ahead of the game.
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