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Foretravel Motorhome Forums => Foretravel Tech Talk => Topic started by: bigfoot on December 06, 2018, 02:05:51 am

Title: Motor mounts 6.5 lp gen
Post by: bigfoot on 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
Title: Re: Motor mounts 6.5 lp gen
Post by: John44 on 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.
Title: Re: Motor mounts 6.5 lp gen
Post by: stump on 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 (http://www.foreforums.com/index.php?topic=26133.0)
Title: Re: Motor mounts 6.5 lp gen
Post by: Andy 2 on 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
Title: Re: Motor mounts 6.5 lp gen
Post by: Old phart phred on 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
Title: Re: Motor mounts 6.5 lp gen
Post by: bigfoot on 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
Title: Re: Motor mounts 6.5 lp gen
Post by: Old phart phred on December 06, 2018, 11:25:20 pm
Good idea, get them while still available maybe.
Title: Re: Motor mounts 6.5 lp gen
Post by: wolfe10 on 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.
Title: Re: Motor mounts 6.5 lp gen
Post by: nitehawk on 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.
Title: Re: Motor mounts 6.5 lp gen
Post by: Pamela & Mike on 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
Title: Re: Motor mounts 6.5 lp gen
Post by: wolfe10 on 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.
Title: Re: Motor mounts 6.5 lp gen
Post by: nitehawk on December 07, 2018, 02:12:05 pm
So did I, but I'm not made of rubber!! >:D
Title: Re: Motor mounts 6.5 lp gen
Post by: bigfoot on 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