Hydraulic Oil4 Post Lift Frequently Asked Questions (F.A.Q.)



Hydraulic fluid is the only recommended fluid/oil for your lift. AW 32 or AW 46 is the proper type of oil recommended by the lift manufacturer. Synthetic oil, automatic transmission fluid, and other substitutes are not recommended.

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Most four post lifts require an average of 3-3.5 gallons of hydraulic fluid.



Hydraulic fluids can typically be found at most local parts, home improvement, or tractor supply stores.



Shipping regulations will not permit Greg Smith Equipment Sales from shipping hydraulic fluid. Hydraulic oil is available at our INDY location.

Hydraulic fluid only needs to be added if there is a leak in the sealed system of the lift. Over time, extreme temperature fluctuations may create water particles to form inside the system over time. "MILKY" fluid should be evacuated and changed to ensure smooth operation.