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Author Topic: Can I use Synthetic oil in my generator?  (Read 4713 times)

JamesIII

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Can I use Synthetic oil in my generator?
« on: February 20, 2010, 09:32:02 PM »
I have a Generac Q55G generator in my RV and I have two problems. I have no operators manual and I would like to use synthetic oil in the engine. Has anyone had any experience with that?

utahclaimjumper

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Re: Can I use Synthetic oil in my generator?
« Reply #1 on: February 20, 2010, 10:39:04 PM »
By all means do so, a Generag needs all the help it can get.>>>Dan
38' American Tradition/330 turbo Cummins
Jeep liberty 4 down
72 VW Baja 4 down
Cedar City, Utah
USAF vet. 59-63

Fred G.

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  • 1988 Winnie Elandan
Re: Can I use Synthetic oil in my generator?
« Reply #2 on: February 20, 2010, 10:41:29 PM »
I put Mobil 1 10w-30 synthetic to my Onan and it purrs smooth! ;D
I rather die on my feet than live on my knees. (Emiliano Zapata)

Gary RV Roamer

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Re: Can I use Synthetic oil in my generator?
« Reply #3 on: February 21, 2010, 10:09:54 AM »
No reason not to. Synthetic meets the specs for 10w-30 just like dino oils.
Gary
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Gary Brinck
2004 American Tradition
2007 GMC Acadia
Homebase: Ocala National Forest, FL

billwild

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Re: Can I use Synthetic oil in my generator?
« Reply #4 on: February 21, 2010, 10:58:27 AM »
Now is there not a difference for diesel generators. Do you use diesel oil in a diesel generator??

Bill
2005 Holiday Rambler---2004 Honda CRV

donn

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Re: Can I use Synthetic oil in my generator?
« Reply #5 on: February 21, 2010, 11:39:57 AM »
YES!!!

scottydl

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Re: Can I use Synthetic oil in my generator?
« Reply #6 on: February 21, 2010, 03:04:17 PM »
I put Mobil 1 10w-30 synthetic to my Onan and it purrs smooth! ;D

Same here.  No problems!
Scott, wife, 3 boys... and the dog
1994 Thor Residency 3500 sold but not forgotten
Now looking for the next perfect RV...

Fcranger

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Re: Can I use Synthetic oil in my generator?
« Reply #7 on: February 21, 2010, 09:14:00 PM »
I use Mobil 1 in my Onan 4000 and my V10 no problem    :)
Frank

Gary RV Roamer

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Re: Can I use Synthetic oil in my generator?
« Reply #8 on: February 21, 2010, 09:43:38 PM »
Diesel engines diesel spec oil, i.e the CG-4 spec for lubricating oils. That's different than the API spec for gas engines.
Gary
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Gary Brinck
2004 American Tradition
2007 GMC Acadia
Homebase: Ocala National Forest, FL

taoshum

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Re: Can I use Synthetic oil in my generator?
« Reply #9 on: February 21, 2010, 10:13:54 PM »
I use Shell Rotella T in lots of our vehicles, especially diesels and motorcycles.  They came out with a full synthetic recently, about $10 more per gallon; and, compared to the oil with a motorcycle manufacturer's label on it, it is still very economical.  The motorcycles with a wet clutch cannot use car oil because of the additives.  The new cars call for a 5W20 though so I can't use it there.  Seems like it would be fine for a generator, diesel or gas.

07 Itasca Meridian 34SH.  '08 Jeep Sahara.
Taos, NM.

John From Detroit

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Re: Can I use Synthetic oil in my generator?
« Reply #10 on: February 22, 2010, 08:59:31 AM »
Can you use Synthetic in your Generator?

Well... I do.  Total problems to date = ZERO

Nothing adds excitement like something that is none of your business
My Home is where I park it.

Hank W

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Re: Can I use Synthetic oil in my generator?
« Reply #11 on: February 24, 2010, 06:45:40 PM »
I have a Generac also. Have used synthetic oil for 6 years with no problems. Over 650 hours with no problems at all. Runs great!

Here is a link with info on parts, manuals and diagnostics.
http://www.generator-parts.com/

JamesIII

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Re: Can I use Synthetic oil in my generator?
« Reply #12 on: February 25, 2010, 08:16:46 AM »
Thank you all for the input. I will start with synthetic this week.