Volvo EC20E - Hydraulic System

Hydraulic system
EC15E EC18E ECR18E EC20E
Load Sensing flow sharing hydraulic system.
Type Open circuit
Servo pressure 35 bar (508
psi)
31 bar (450 psi)
35 bar
(508 psi)
Standby pressure 18 bar
(261 psi)
20 bar
(290 psi)
Operating pressure:
Hydraulic system
170 bar (2466 psi)
210 bar
(3046 psi)
Secondary pressure
Boom cylinder, full bore or
piston side
250 bar (3626 psi)
Boom cylinder, rod side 250 bar (3626
psi)
280 bar (4061 psi)
Dipper arm cylinder, full
bore or piston side
250 bar (3626 psi)
280 bar (4061
psi)
Dipper arm cylinder, rod
side
280 bar (4061 psi)
250 bar (3626
psi)
Specifications
Hydraulic system 197