Loads moved into position hydraulically.Patented 'Speed Pak' eliminates handle pumping, saves lift times - the air does the work.Includes all the features of the W93600 plus.Quantity in Basket: None Code: W93662 Price: $1,299.00 Shipping Weight: 430.00 pounds Quantity: Reconditioned Equipment FEATURES Capacity 10 Ton Is not the one I would have thought, but is actually for a Lincoln/Walker jack. I did find one manual for a floor jack that said the fluid should be changed every. Find great deals on eBay for walker hydraulic jack. Compare 30 million ads Find Walker Jack faster! Buy 93667 Lincoln, Walker Air/Manual Floor Jack 4 Ton Seal Replacement Kit (All-Series/All Years of Production): Jacks - FREE DELIVERY possible on eligible purchases. Find used Walker Jack for sale on eBay, Craigslist, Amazon and others.