Good Sam Club Open Roads Forum: Class A Motorhomes: Oil for generator
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down home

south

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Joined: 06/01/2008

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Posted: 12/14/20 05:47am Link  |  Quote  |  Print  |  Notify Moderator

I used Royal Purple full synthetic 15-40 for diesel. Take the best care of your engine, generator, batteries and chassis and house part of coach and enjoy peace of mind and fewer problems.
I would use Euro Spec Mobile One real full synthetic but not sure where to get it except at Mercedes speced for the AMG.

ArchHoagland

Clovis, CA, USA

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Posted: 12/16/20 09:41pm Link  |  Quote  |  Print  |  Notify Moderator

Onan manual says use 30 weight above 0 degrees.


2004 Monaco La Palma 36DBD
Workhorse W22 8.1 Gas Allison 1000, 7.1 mpg

2000 LEXUS RX300 FWD 22MPG 4020 LBS
US Gear Brakes


Blaster Man

USA

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Posted: 12/17/20 01:30pm Link  |  Quote  |  Print  |  Notify Moderator

Use what ever you use in the engine....15W40 Rotella for me on diesel number four.


2014 American Eagle

map40

Florida

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Posted: 12/18/20 05:07pm Link  |  Quote  |  Print  |  Notify Moderator

15w40 Mobil 1. Covers all temperatures. Some people use diesel oil, but I keep the diesel for the diesel and the gas with the gas.


Alfa SeeYa
Life rocks when your home rolls

olfarmer

Iowa

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Posted: 12/19/20 09:55pm Link  |  Quote  |  Print  |  Notify Moderator

My onan 4000 says use 30W but I use 10W30 and it works fine with no oil consumption. It is the sa
me oil I use in the engine and if it is cold the genny cranks over easier.


Ed & Ruby & the 2 cats
2001 Winnebago Brave 30W
7.4 gas Work Horse Chassis
99 Jeep Grand Cherokee


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