SD33 Oil

Vehicles powered by Nissan six-cylinder SD diesel engines.

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deborahanddon@gmail.com
Posts: 1
Joined: 11 months ago

SD33 Oil

#1

Post by deborahanddon@gmail.com »

My first post on this forum so apologies if I am asking a question already covered! I recently bought an old troller powered by a Nissan SD33. The previous owner was using SAE30 engine oil but the manual states 10-30 or 10-40. Am I ok to continue with 30W?
Thanks,
Don
waynosworld
Posts: 525
Joined: 8 years ago
Location: Vancouver Washington USA

Re: SD33 Oil

#2

Post by waynosworld »

This is just my opinion, but the oils made today are different than what was made when the SD33 was made, I would use a diesel oil in your engine as they have anti-scuff agents in them like when your engine was made, I use Delo 15/40 in my SD25 engines, but there are lots of different diesel engine oils out there.
I know the voices are not real,
but they have some really good ideas.
plenzen
Posts: 869
Joined: 14 years ago
Location: Cochrane Alberta Canada

Re: SD33 Oil

#3

Post by plenzen »

Little late to this party but I agree with Wayne.
I use 15/40 Delvac in the summer and 5W/40 Rotella in the winter. I see pretty consistent -10C weather overnight from middle end of October to early mid March. The truck starts much better with the 5/40 and does not take as long for the oil light to go out either.
My dad ( the original owner ) used 15/40 Delo or Duron ( whatever the shop had at the time ) year round in Vancouver B.C. ( wet coast ) with no issues.
Retired Pauly
Problem with being retired is that you never get a day off.
1987 D21-J SD25 KC
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