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Discussion in 'Mechanic and Repair' started by MississippiLawnKid, May 11, 2014.
Which is best?
Used to be SAE 30 was cheaper, but doesn't really look like it any more. a multi viscosity engine oil works for engines that vary in rev range (like a car or truck) SAE 30 works for an engine that typically runs and steady rpms (like mowers or tractors)
I would simply use the cheapest one.
10w30 won't hurt your mower.
But like I said, it 'used' to be more expensive and now really isn't. So It used to be a waste to spend more to put fancier oil in there.
I find in several cases, the 10 w30 is less expensive than SAE 30 now…but I think its based on who carries it, and how much volume they move.
Thanks for the reply. We run SAE30 (Oreilly's brand) in our hustler super z's. Is SAE30 better for hotter temperatures..??
I use a good quality SAE 30 for nearly all of my equipment. As far as what is best, I think you will hear a variety of answers.
on kohler need to run 10w30 with just 30 you get lifter knock from 30w
I run 10w30 in all my mowers
I run Castrol oil
Read your dang owner's manual !
5w30 Pennzoil in the 4 strokes, Lucas semi in the 2 strokes. May go to Pennzoil Platinum in mower I am dealing on......Kawasaki 6hp on a Gravely!. But I will read the manual when I buy it. Probably just stay with the regular Pennzoil so I don't have to carry another can of oil.
I use 10-30 Mobile 1 in all my 4cycle engines and Lucas in my 2 cycle.
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Good grade or Gravely SAE 30 in Kawasaki 21hp here
Multi weight oil is made for a wider range of operating temperatures. Has ABSOLUTELY NOTHING to do with RPM.
As said above, read your owner's manual. Often times, one or the other will be specified depending on the temperature range you are using it in.