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Motor mounts 6.5 lp gen

December 06, 2018, 02:05:51 am

Has anyone replaced Motor mounts on their onan generator and is it a difficult job. Not much room. Hopefully someone has replaced them and would be kind enough to give me a few tips. Mine are looking pretty worn. Where would one order replacements. Thanks in advance

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Re: Motor mounts 6.5 lp gen

Reply #1 – December 06, 2018, 02:33:33 am

Not sure about yours but some of the mounts have a part number on them,if you could remove one that may work.

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Re: Motor mounts 6.5 lp gen

Reply #2 – December 06, 2018, 06:00:15 am

I do not know if yours are the same,But here is a thread on generator mounts..
LORD #283P-155 Powertech Generator Plate vibration mount

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Re: Motor mounts 6.5 lp gen

Reply #3 – December 06, 2018, 08:12:11 am

You might try a Cummins dealer in your area, if it's an Onan there are the dealer. Good luck

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Re: Motor mounts 6.5 lp gen

Reply #4 – December 06, 2018, 08:45:48 pm

Do you think the mounts are bad because it tilts slightly towards the front, pretty sure this is normal for the 6.5

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Re: Motor mounts 6.5 lp gen

Reply #5 – December 06, 2018, 09:57:24 pm

The mounts are dry and cracked so. Will probably be quieter with less vibration with replacement. Eventually they will just deteriorate so might as well take care now is what I am thinking. They may last another few yrs but it looks all negative to me if I wait

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Re: Motor mounts 6.5 lp gen

Reply #6 – December 06, 2018, 11:25:20 pm

Good idea, get them while still available maybe.

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Re: Motor mounts 6.5 lp gen

Reply #7 – December 07, 2018, 09:16:11 am

Have you checked with Onan/Cummins?

Very much doubt they would be the same as for diesel generators which way several time more.  Mounts are speced for both weight and also to control known harmonics/vibrations.

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Re: Motor mounts 6.5 lp gen

Reply #8 – December 07, 2018, 09:32:46 am

Per my Onan 6.5 parts manual the motor mounts are apparently called vibration isolators. #4 Pt#402-0597 Qty (2) generator end
#8 Pt #402-0549 Qty (1) isolator, vibration-engine end.

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Re: Motor mounts 6.5 lp gen

Reply #9 – December 07, 2018, 09:57:28 am

I think that the 402-0597 isolator number has been updated to 402-0624 a couple of years ago. There may still be some NOS out there under the old number. The 0549 is still a good number according to my book.

Mike

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Re: Motor mounts 6.5 lp gen

Reply #10 – December 07, 2018, 10:09:11 am

But, being rubber, I would shy away from old stock.  As with tires, rubber compounds do loose their elasticity with age.

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Re: Motor mounts 6.5 lp gen

Reply #11 – December 07, 2018, 02:12:05 pm

So did I, but I'm not made of rubber!!

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Re: Motor mounts 6.5 lp gen

Reply #12 – December 07, 2018, 11:23:47 pm

Brett. Found some isolaters from Cummings. Look like rubber. Will call tomarrow and see if they know manufacture date
 Hope this works I have no way of knowing what else would work on my onan 6.5 lp unless I took them out and looked for a number. Thanks for the Cummings suggestion. They are 11 something a piece. What a deal. Add 8 bucks ship from Md

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