J306 Viscosity Classification for Automotive Gear Oils - Effective January 1, 2005
SAE
Viscosity Grade
Maximum Temperature
for a viscosity of
150,000 cP (°C)
ASTM D 2983
Minimum Viscosity
at (cSt) a 100°C
ASTM D 445
Maximum Viscosity
at (cSt) a 100°C
ASTM D 445

70W

-55℃

4.1

-

75W

-40℃

4.1

-

80W

-26℃

7.0

-

85W

-12℃

11.0

-

80

-

7.0

<11.0

85

-

11.0

<13.5

90

-

13.5

<18.5

110

-

18.5

<24.0

140

-

24.0

<32.5

190

-

32.5

<41.0

250

-

41.0

-

Must maintain its viscosity after 20 hours in the CEC L-45-A-99 test.