FACTS ABOUT CAT C SERIES EXCAVATORS REVEALED

Hydraulic excavators generally couple motor electric power to (commonly) a few hydraulic pumps rather than to mechanical drivetrains. The 2 major pumps supply oil at substantial tension (approximately 5000 psi, 345 bar) for the arms, swing motor, track motors and accessories even though the 3rd is really a lessen force (≈700 psi, 48 bar) pump for