Toyota Motor Oil

[mrshow]

Looking at ordering some 0W-20 Genuine Toyota Motor Oil. You can order it from the Toyota parts website, but there are multiple options with no descriptions. Does anyone know what the difference between all these listings are?

GTMO 0W20 BK SN
GTMO 0W20 BK SN EQ1
GTMO 0W20 BK SN EQ1W
GTMO 0W20 BK SN EQ2
GTMO 0W20 BK SN EQ2W
GTMO 0W20 BK SN EQ3
GTMO 0W20 BK SN EQ3W
GTMO 0W20 BK SN EQ4
GTMO 0W20 BK SN EQ4W
GTMO 0W20 CS SN 6X1
GTMO 0W20 CS SN LX
GTMO 0W20 DR SN
GTMO 0W20 DR SN WTY
GTMO 0W20 QT SN LX W
GTMO 0W20 QT SN WTY