This is the most comprehensive document I have seen.
It covers most of the major oil specifications around the world in great detail.
I know it has been posted before, but worth a fresh mention as the old link is dead.
www.aftonchemical.com/Afton/media/PdfFiles/Specification_Handbook.pdf (2.2MB)
Main sections cover:
Viscosity
Engine Oils
Driveline
Industrial
Off Road
Engine Tests
Rig Test
It covers most of the major oil specifications around the world in great detail.
I know it has been posted before, but worth a fresh mention as the old link is dead.
www.aftonchemical.com/Afton/media/PdfFiles/Specification_Handbook.pdf (2.2MB)
Main sections cover:
Viscosity
Engine Oils
Driveline
Industrial
Off Road
Engine Tests
Rig Test