FACTS ABOUT CAT C SERIES EXCAVATORS REVEALED

Hydraulic excavators generally few engine electric power to (typically) a few hydraulic pumps as opposed to to mechanical drivetrains. The 2 main pumps provide oil at large force (as much as 5000 psi, 345 bar) for that arms, swing motor, track motors and accessories while the third is usually a reduced strain (≈seven hundred psi, forty eight bar)