How does an Air/Hydraulic Jack work?

14 Jul.,2023

 

OK, well, my question in the other thread seems to have been lost in the shuffle, so I'm asking it in its very own!

OK, so while we're on this subject... using hyjacks.com as an example:

71245A List Price 551.79 Their price 386.26 shipping wt 120lbs.
71230A List Price 278.97 Their price 195.28 shipping wt 97lbs.

info pretty clearly says that the 71245 is a 71230 with the air capability.

So, my question is, what is really different about it? There's 23 lbs of something added, and it costs $190.98 to add it. I feel like it should take maybe $20 worth of hose and fittings plus maybe a few bucks for some different seals or something. How does the air part work and why does it cost so much?

 

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