Engineering
The Silent Pressure of Hydraulic Systems in Giant Excavators
Quick fact
The hydraulic system in a giant excavator can operate at pressures exceeding 350 bar (about 5,000 psi), which is powerful enough to lift a small car with just a few square centimeters of cylinder area.
Why this is interesting
Have you ever watched a giant excavator effortlessly scoop up tonnes of earth? What you don't see is the enormous, hidden pressure that makes it possible.