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I am trying to collect (building a data base) pictures of torsional coupling failures that may have occurred during a vessels normal operation.. I am especially interested in ones related to a Vulkan L type (usually used on medium to larger diesel engines -- 300-1000HP + )...

In case any of you guys have the early Cummins 480CE's or QSM11's & are dealing with "fading" or non-working displays, we now have a less painful answer.. It took about 1 year of blood, sweat, & some tears, but finally we have great "Plug & Play" solution to upgrade your old Cummins ED-1 display...

This link may also help you guys........ http://www.sbmar.com/cummins-qsc8.3-tech-info.php We try and make it easy to find factory specs, besides adding as much info as we can to help owners understand their QSC better.. No fluff, just what we have learned. If something technical comes up...

http://www.cumminsfiltration.com/html/en/products/cooling/coolant/fleetcool.html http://www.cumminsfiltration.com/html/en/products/cooling/coolant/es_compleat/oat.html Here is the real poop.. Both are EG based and both 100% compatible with the other, and according to Cummins, basically...

I can't help much on the access the builder supplied, but for sure, following my tips below will ease the pain of the rest........................... Tricks & Tips to Extract an Old Impeller & Installing a New One This is something that should, or needs to, be done with ALL impellers...

Cardan shaft drive-lines when designed and and used within the guidelines on companies like Dana Spicer have no issues doing 2000-5000 hours between overhaul. Much has to doing with the operating environment they are in--With saltwater dripping on them, they may fail from "Marine Age" long...

Old issue that was never confirmed to be filter related.. The actual issue was related to some "less than perfect" oil lines of some of the early QSB's................The LF3894 is considered the premium upgrade to the LF3959 OEM unit.. But, there is nothing wrong w/ the LF3959--I just happen...

Re: Cummins QSB - Fleetguard oil & filter numbers Oil pan-------------- http://sbmar.com/index.php/taking_the_mystery_out_of_oil_pan_capacities/ Oil Filter------------- http://sbmar.com/Products/SM-FF_Spares.php Most any good local truck place that handles Feetguard products can help you...

We have seen and decent % of the low pressure pumps give issues, and give off 2 or 3 various alarm codes and running symptoms.. The Pump is under $170 to an end user should you not be under warranty..................Recently, CMD has went to a new design & vendor to try and solve the issue...

The QSB 380 does not have a wastegate.. The engine uses the same turbo as the mechanical 330/370 Diamond.. As to our posters possible issues, he may have aftercoolers that needs proper servicing--That could or would account for different IMT reading .. Air clearen condition ?? If he has...

No such Cummins engine model as a "446".......How about sending me some good pics of the engines so I can ID the model.. Plus, be sure to include some of the aftercooler and turbo... Bilges are 100% clean? Have you calibrated your dip sticks? Have you read this...

I would suggest that you find out why it is failing, if indeed it is.... What is the exact symptom that you are experiencing leading you to believe your CR pump is failing? Be precise and explain all.. With many QSB's (30+) in the field that we watch over with 2000+ hours and some with 8000+...

The Cummins part is exactly the same as the Sherwood 26000 impeller--Just repackeaged & labeled. Tony http://www.sbmar.com

Quite a few of the caps do not vent well (gasket issues or ??)........If the plastic tank is off then engine ( on the engine they vibrate too much) , consider removing the gasket and being sure the tank cap in vented ( an very small hole is needed that does not clog).. You can make a better...

Jason, Do you have CMD Vessel View panels so you could actually "see" the intake temperature and monitor it?? What vintage are the engines and how many total hours??. IMT is just that.. Your intake manifold temp was exceeding a predetermined parameter.. In this case it's about...