FACTS ABOUT CAT C SERIES EXCAVATORS REVEALED

Hydraulic excavators generally pair motor ability to (normally) a few hydraulic pumps rather than to mechanical drivetrains. The two major pumps supply oil at superior pressure (up to 5000 psi, 345 bar) for the arms, swing motor, track motors and accessories while the third is usually a lower strain (≈seven hundred psi, 48 bar) pump for pilot con