In Reply to: Re: The Hydraulic Oil Story posted by TheOldHokie on December 27, 2013 at 10:39:48:
It is not the same.I have 90 in my hydraulic system.I have lift power summer and winter with 90.I could not lift 300 pounds in warm weather with 134.I could lift 14 inch ash and elm logs with 134 when the weather was cold.Above 40 degrees couldnt lift them.These were dead trees on field edges.Dosent matter what your figures say.With 90 wt I can lift logs in hot weather,with 134 NO LIFT.Tell us what 100C is on the thermometer we all use.Ford says to use 2 quarts of 80 in the system with the rest 90 wt in cold weather.You can buy 8 quarts of 90wt oil for 15.00.Cheap fix for a no lift problem.I will drain the 134 from the transmission this spring.
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