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Diesel (Onan) oil?

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Diesel (Onan) oil?

09-29-2011, 08:24 PM	#1
Davebr Junior Member Join Date: Aug 2011 Location: Nebraska Posts: 17	What oil do you all use for these Gensets? Book is kinda vague? __________________

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09-29-2011, 08:55 PM	#2
Doc Mark Senior Member Newmar Owners Club Join Date: Sep 2005 Location: On the road to Maine Posts: 686	Onan recommends API CE oil, but in a call to Cummins Power South, the service tech said they use CJ-4 as the CE is an obsolete API category. Weight of oil depends on climate. I use 15W-40 since I am rarely below freezing. Mark __________________ Mark & Sheila Heilman & The 4 Fur-ball Princesses '07 MADP 4523, '05 Honda Pilot

09-30-2011, 08:41 AM	#3
Perry White Senior Member Join Date: Mar 2011 Location: Milwaukee Posts: 1,422	Rotella __________________

09-30-2011, 09:19 AM	#4
GaryKD Senior Member Newmar Owners Club Join Date: Jul 2006 Location: Wellington, Florida Posts: 6,933	Hi Davebr, I use Penzoil 15W-40 in all my diesel engines. While everyone may have a brand they prefer to use, any major brand oil should be fine. Make sure the label says for diesel engines. 15W-40 is the most common weight. __________________ Gary 2005 Newmar KSDP 3910, The Avatar Is Many Times Around The USA Nobody Knows Your Coach Like Somebody Who Owns One Just Like Yours

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