Kubota U25-3 Repair Manual

U20-3, U25-3 WSM Hydraulic system (Mechanism section)
IV-M-33
F. Swing motor
a. Structure & specifications
• Specification
U20-3 U25-3
Type 25PB20A1124-C 25PB25A1125-C
Displacement cc/rev 195 244
Theoretical RPM rpm
63.4
at 12.4 L / min
75.4
at 18.4 L / min
Theoretical output torque
N·m
kgf·m
609
62.1
at 19.6 MPa
(200kgf / cm
2
)
629
64.0
at 16.2 MPa
(165 kgf / cm
2
)
Theoretical brake torque
N·m
kgf·m
440
43.1
440
43.1
Brake releasing pleasure
MPa
kgf·m
2.0
20.2
2.0
20.2
Shockless valve type VNS 200S 310A VNS 165S 320A
Releaf valve pressure
MPa
kgf/cm
2
19.6
200
at 10L / min
16.2
165
at 20L / min

Kubota U25-3 Specifications

General

Brand	Kubota
Model	U25-3
Category	Excavators
Language	English