Sherwood M71 Seawater Pump

[Dominic Garofolo]

Quick question.
Can a Sherwood M71 Seawater Pump be used on a 4BTA?

Engine serial numbers 46038383 and 46043905.

Thank you,

Dominic Garofolo

Topic

[Dominic Garofolo]

"The light bulb came on"

Thanks Mr. Athens, Love the new site!

I could never exactly figure out why the sea max pump wouldn’t work either, but your pictures cleared it up for me.

Foot note:
I installed one of these Sherwood strainers on each raw water intake, (see attached), about 4 years ago, and haven’t had a pump go bad on me since. Not saying it would work for everyone but it worked for me.

Thanks,

Dominic Garofolo

[Tony Athens]

Cumming 4BTA 3.9 Seawater pump issues

It will not Physically FIT or clear the injection pump…………………………….Basically, Sherwood took a GC1 or GC5 Pump and made a totally Mickey Mouse” extension piece to move it aft about 4 inches so it would clear the Injection pump assembly… Very poor design, extremely un-reliable, and it’s “proprietary” to this engine and is not sold to any of there dealers/distributors, only to Cummins……………………………….. Some pics attached to help you understand what you are up against………………..You might take this up with Sherwood, although I’d guess it will fall on deaf ears..

[Author]

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