Posted by Jason S. on January 15, 2014 at 17:02:38 from (220.127.116.11):
In Reply to: oil for tea 20 posted by RVS on January 15, 2014 at 09:34:55:
Originally they used GL-1 mineral oil. You can use 10w30 engine oil also which helps if you are using it in colder weather. Stay away from the newer hydraulic oils they are thinner viscosity which isn't good for these older worn hydraulic systems and most of them aren't yellow metal and your transmission has bronze bushings in it and the sulfur in the newer hydraulic oils with eat away at the bronze. Stick with GL-1 or 10w30 engine oil.
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