Answer / bxfgx

SAE-40 is desiganation oil. whwre 40 represent viscosity
index

Answer / nikhil_p_mech

SAE-40 is the oil grade as per SAE (Society of Automotive
Engineers) standards. The number 40 stands for viscosity of
that oil which is measured in SUS (Saybolt's Universal
Seconds).
1 SSU = 0.2158 centistokes or 0.2158 mm2/s (approx.)

Answer / sasidhar

SAE-40 indicates oil viscosity number.higer the num.. more
the visccous.it is recommended by (society of automobile
engineers)

Answer / guest

lubricating oil

Answer / suresh

society of american enginners desiganation this oil grade

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