GL 1 oil
Anyone know where I might find information about the applications of the different rated gear oils specifically GL-1 and GL-4. I need to replace the oil in a 1953 Cat motor grader transmission though it is non-syncromesh it does have brass bushings in it so no GL-5. The operators manual says to use an oil that conforms to Mil-L-2105 or straight mineral transmission oil which ever is most convenient. Since it holds 8 gallons and GL- 4 costs around $50.00 a gallon here I'm wanting to use GL-1 which is a mineral transmission oil and can be bought easily and cheaply.
Any help would be appreciated.
Last edited by D. Jones; 08-09-2019 at 04:29 PM.
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