Saturday, January 10, 2015

Oil Viscosity Recommendations


Crankcase Oils


Hydraulic System
Operating Temperature
Range1
SAE Viscosity
Designation
–23degC to 54degC
(–10degF to 130degF)
5W, 5W-20,
5W-30
–18degC to 83degC
(0degF to 180degF)
10W

–18degC to 99degC
(0degF to 210degF)

10W-30,
10W-40

10degC to 99degC
(50degF to 210degF)

20-20W






Antiwear Hydraulic Oils



Hydraulic System
Operating Temperature
Range1
ISO Viscosity
Grade

–21degC to 60degC
(–5degF to 140degF)
22

–15degC to 77degC
(5degF to 170degF)
32

–9degC to 88degC
(15degF to 190degF)
46

–1degC to 99degC
(30degF to 210degF)
68



 1 Temperatures shown are cold (ambient) start-up to maximum operating. During cold start-up, avoid high-speed operation of hydraulic components until the system is warmed up to provide adequate lubrication.



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