Patented by Richard Dudgeon in 1851, hydraulic jacks consist of six main components; a reservoir to hold hydraulic fluid, a pump to draw fluid from the reservoir, a check/release value to direct ...

Seeing as how tools have become so cheap, we can understand wanting to replace a floor or bottle jack as soon as it stops working. But really, it will cost you a lot less to just fix the one you have ...

Hydraulic jacks and screw jacks serve the same basic purpose, allowing mechanics to lift and support heavy loads in the shop. That said, there are some pretty major differences in how they work, the ...