QSC 8.3 600 HO saltwater side capacity

[geraldsteele]

I own a 2010 3900 Tiara with twin Cummins QSC 8.3 600 HO diesels.

I’m searching for, and cannot find anywhere, what the saltwater cooling side capacity is. I’ve called Cummins and Tiara – they both told me to call the other. I can’t believe Cummins doesn’t know this.

Does anyone know the saltwater cooling site capacity. The engines have the typical marine gear cooler, turbo after cooler, and engine heat exchanger.  

 I’m trying to get an idea of entire SW capacity starting from the sea strainer through the entire system of one engine. 

 

Topic

[John]

I’ll chime in with 11 gallons.  Use that and you’ll see it come out the exhaust no problem.

I use -100 just in case there’s some residual SW diluting it but 11 gallons will sort you NP.

[geraldsteele]

Your right. I should have said gallons of sea water. <br />I’m trying to find out how much antifreeze to use to winterize the sea water side 

[Tony Athens]

What exactly do you mean by capacity — What are you trying to actually figure out– simple terms that make sense, please. Never heart the term capacity related to seawater.. I have heard   flow rate, and psi pressure numbers though,  and maybe btu minimum rejection numbers..

[Steve Lewis]

Counter Questions……

GS,

Why exactly do you want to know this data point?  There is variability in the length of hoses and such so the volume of the sea water cooling circuit is probably not known……..   Get a bucket and drain the sea water side of your system and determine your specific situation.

Again….  Why do you want to know?  What is your overall goal?

I would be more interested in the loading of the engine, aftercooler maintenance intervals, addition of a fresh water flush system(assuming you are in salt water)…..  Is that why you are asking?  Trying to figure out FWF flow?

Help us out here, the forum will want to understanding why you are asking………

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Tony Athens

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