SAE Viscosity Classification for Axle and Manual Transmission Lubricants

 

SAE Viscosity Number

Maximum Temperature for Viscosity of 150,000 cP (150 Pa· s)

Viscosity at 210° F (99° C)

Minimum

Maximum
 

75

80W

85W

90

140

250

 ° F

-40

-15

10

-

-

-

 ° C

-40

-26

-12

-

-

-

 cSt

4.2

7.0

11.0

14.0

25.0

43.0

 SSUa

40

49

63

74

120

200

 m2/s

4.2

7.0

11.0

14.0

25.0

43.0

 cSt

-

-

-

<25

<43

-

 SSUa

-

-

-

120

200

-

 m2/s

-

-

-

25

43

-

aapproximate

Note: One Pascal· second (Pa· s) equals 103 centipoise (cP).

One meter2/second (m2/s) equals one centistoke (cSt).

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