I'm not an expert so I just went to Autozone and picked up a quart of Fram Hydraulic Jack Oil. I'm sure there are other things that will work, are cheaper, etc. but I didn't want to over think it. Someone would have a hard time convincing me my choice was "wrong" though.
Pat
Update on the rebuild of my Hollywood Accessories 649N 2 ton floor jack above.
Here's the part numbers and sources for the parts I used:
#55 & #56 - Replaced both with MU25X35X10 from Hydraulic Parts Supply, Sawyer KS
#75 - HW 69407 cup 11.9 mm from HPS above
#43 - 314MMB70 Metric Buna o-ring...
Hey All! New member - wow, great thread on hydraulic jacks.
I'm rebuilding my old Hollywood Accessories 649N 2 ton floor jack from the late '70s/early '80s. I'd like to thank 4xdog for uploading the manual and sticker jpg. I converted the manual to a pdf to make it easier to print out and...