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art · 05-04-2008, 09:03 AM

Engine oil being used in hydraulic systems is not new and some older tractors as well as gray market compacts use gear oil for the hydraulic fluid.

Thinner hydraulic oil used on newer tractors might enhance your hydraulic leaks.

05-04-2008, 09:03 AM	#3 (permalink)
art Elite Member Join Date: Apr 2000 Location: central New York Posts: 2,797	Re: Vintage tractor hydraulic fluid Engine oil being used in hydraulic systems is not new and some older tractors as well as gray market compacts use gear oil for the hydraulic fluid. Thinner hydraulic oil used on newer tractors might enhance your hydraulic leaks.