API SERVICE?

Messages
33
Location
Iowa
Hi guy's just found this site ,love it great info! I've got one fo you. What do the API service letters meen on an oil bottle? I run mobil-1 in my car and truck and would like to run it in my john dreere garden tractor. But the service letters are sl sj/cf on the bottle and the engine says to use sd,se,sf,sg,sh.What does this all meen? Can I use it or not? Thanks for your time and help!!! PW
 
Messages
2,233
Location
Wisconsin
Every 3-8 years the American Petroleum Institute updates the certification requirements for motor oils. SD is a service grade from the 70's & SE, SF,SG,SH,all supercede the previous grades. SJ & SL are the current 2004 service grades & CF is a diesel oil service grade. Mobil1 10W-30 meets the current Briggs small engine spec of SJ/CF for a synthetic oil.
 
Messages
2,768
Location
Tn
You can. I run M1 in my car, but I prefer the Briggs & Stratton "LawnMower" oil for my garden equipment. It's available at Wal-Mart, Tractor Supply, etc. I like the convenient smaller bottle packaging, so I don't have to measure or deal with left-overs. It's a straight 30 weight formulated for small engines.
 
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