What brand of oil in you lawnmowers, or tractors?

Messages
369
Location
Michigan
Old AeroShell 50w left over from my father's airplane in my Craftsman 17.5 hp B&S lawn tractor. No problems last year, looked clean when I dumped and replaced this year. I still have enough to run it next year as well....any comments?
 
Messages
495
Location
South Carolina
 Originally Posted By: oilboy123
Amsoil Small engine oil.
Ditto. I'm running the Amsoil small engine 10w-30 in a Gravely Model L. Two months and no problems. Runs better than ever and is actually starting to consume less oil. Had to add a make-up quart the first 4 operating hours. Haven't had to add any this past 4 operating hours. It might be reconditioning the axle seals and gaskets somewhat. I'm pleased with it so far.
 
Messages
5,215
Location
Houston, Tx, USA
I use RTS, M1 0W-40, and Valvoline Premium Blue 15W-40 but will be switching to M1 15W-50EP GoldCap at the next OCI for all 4 cycle equipment. I keep spare a spare gallon or so of Premium Blue around in case I need a break-in oil for a newly rebuilt engine. For my father's riding mower that uses a spin-on filter, I use only M1 filters.
 
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