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Old 01-16-2017, 10:22 PM   #1
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Kubota diesel water pump

Does anyone know where to get parts (impellers & seals) for my old kubota diesel generator water pump? See pics. Thanks.
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Old 01-16-2017, 11:10 PM   #2
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Do you have any part numbers? Is it an Onan Genny? If so, Google the part number. I also use this:


https://www.jackssmallengines.com/
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Old 01-17-2017, 12:01 AM   #3
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He did say kubota.
Onan are cummins right?

Saying that surely the pump is nothing to do with either, it'd be a jabsco, Johnson, fynspray or the like.
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Old 01-17-2017, 12:42 AM   #4
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Quote:
Originally Posted by Simi 60 View Post
He did say kubota.
Onan are cummins right?

Saying that surely the pump is nothing to do with either, it'd be a jabsco, Johnson, fynspray or the like.
Close. Onan used Kubota engines, though I recall someone posting they initially made their own engines, ? for MDJE. Cummins acquired Onan.
And while I can`t find it right now, I know the crappy Service Manual says there are 2 different pumps for my MDKD, from memory one is Sherwood, can`t recall the other.
I do know my mechanic just got in the wrong one and is exchanging it.
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Old 01-17-2017, 02:06 AM   #5
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Look at the pump cover plate, maybe with an angled inspection mirror or phone camera. It looks like a Johnson pump, probably an F4B-8 or similar. It should be marked like the image below.


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Old 01-17-2017, 07:17 AM   #6
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Looks like a custom installation, not factory. That pump could be whatever the installer chose. Back cover plate should identify manufacturer. Factory pumps usually direct drive, not belt driver.
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Old 01-17-2017, 11:27 AM   #7
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Bruce you are correct. Onan did use a 3 cylinder Kubota engines. I was a little surprised when I got the manual from NW Cummins. Not sure when, but Cummins bought out Onan. Mine is OEM and is belt driven.
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Old 01-17-2017, 03:54 PM   #8
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Wow, some great information here guy's! The picture was taken with my phone and unfortunately I could not get to the back pump plate. I was hoping someone would recognize the pump by the picture. Time to take it out and have a look. Thanks again for ALL of your inputs.
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Old 01-17-2017, 09:04 PM   #9
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My bet is a Johnson F35B pedestal pump.
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