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  #1  
Old 03-29-2013
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Replacement Motor Mounts

Looking for advice and recommendations on replacement motor mounts for our Perkins 4.108.

The existing ones are Bushings. They're not broken, but they are showing their age. Looking at them, I suspect that there are better models out there.

Here are a few particulars:

- The current ones have 3/4" studs, and these are a loose fit in the openings on the engine mounting brackets.

- The engine beds are drilled/tapped for 4" o/c mounts.

- When aligned with the prop shaft, the front engine bracket sits 3 3/4" above the bed; the rears sit 3 1/2" above.

Can anyone suggest alternatives?

Thx in advance,
PF
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Old 03-29-2013
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Replacement Motor Mounts

I've been looking into this a little myself for our Volvo. I haven't tried them yet, but his company has recommendations for most marine diesels. http://www.bushingsinc.com/marine.htm
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Old 03-29-2013
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Re: Replacement Motor Mounts

itsa,

Thanks, those are the ones currently installed -- I'm hoping to find more robust alternatives.
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Old 03-29-2013
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Re: Replacement Motor Mounts

Gosh how long do you want them to last? Perkins 4 108 was last made in 1992. So at least 20 years old.
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Old 03-29-2013
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Re: Replacement Motor Mounts

from another thread;
Quote:
Originally Posted by Maine Sail View Post
The red colored mount is the OEM style I am referring to not the Bushing's Inc. mounts. Universal used to use Bushing's Inc mounts but they really are a poor mount.

If you want to replace the Bushings Inc. type mounts DO NOT buy them from the dealer they can be had for a lot less and much closer to what they might be worth.

The new Universals ship with the red style mounts though they now have a solid cap cover. They are an excellent design if not inexpensive..


The red mount on the right was replaced at 2800 hours and was still working fine. The two failed Bushings Inc. mounts at 640 hours....
I used Vetus engine mounts for reasons detailed in the other thread.

They come in various sizes based on the weight of your engine and transmission.
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Last edited by eherlihy; 03-29-2013 at 09:45 PM.
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