Kubota U25-3 Repair Manual

U20-3, U25-3 WSM Hydraulic system (Service section)
IV-S-138
[4] Pilot hose
1) List of pilot hoses
List of pilot hoses
No. Location
Part No.
Part name Q'ty
Dimension
(mm)
Ta pe
color
Hose shape Remarks
U20-3 EU U25-3 EU
1 Between pump and line filter P4 RB411-6324Δ←
Hydraulic hose (3/8) 1240 G3/8 PLT06 G3/8 632-040
2 Between line filter and accumulator RB419-6325Δ← Hydraulic hose (3/8, P4, 2-1) 1300 G3/8 PLT06 G3/8 632-090
3 Between accumulator and selector valve RB419-6326Δ← Hydraulic hose (3/8, P4, 2-2) 1300 G3/8 PLT06 G3/8 632-100
4 Between line filter and CV (travel straight) RB419-6328Δ←
Hydraulic hose (1/4, travel
straight)
11120 G1/4 PLT04 G1/4 632-080
5 Between selector V and Swivel M Swivel brake release RB411-6327Δ← Hydraulic hose (1/4) 11120 G1/4 PLT04 G1/4 632-070
6 Between selector V and P/V (right) P RB411-6331Δ← Hydraulic hose (1/4) 11360 G1/4 PLT04 Quick 633-090
7 Between selector V and P/V (left) P RB411-6332Δ← Hydraulic hose (1/4) 1710 G1/4 PLT04 Quick 633-100
8 Between P/V (right) T and PV (left) T P/V drain RB411-6334Δ← Hydraulic hose (1/4) 11190 G1/4 PLT04 Quick 633-110
9 Between selector V and R/J Travel two-speed RB411-6445Δ← Hydraulic hose (1/4) 1970White G1/4 PLT04 G1/4 644-050
10 Between C/V and return pipe Boom lock drain RB411-6356Δ← Hydraulic hose (1/4) 1430 G1/4 1500-03 G1/4 Nitta-made 635-030
11 Between C/V and P/V (right) Boom up RB411-6341Δ← Hydraulic hose (1/4) 11820Gray G1/4 1500-03 Quick 634-010
12 Between C/V and P/V (right) Boom down RB411-6342Δ← Hydraulic hose (1/4) 11920 Sky-blue G1/4 1500-03 Quick 634-020
13 Between C/V and C/V Lock valve release RB411-6343Δ← Hydraulic hose (1/4) 1320 G1/4 1500-03 G1/4 634-030
14 Between C/V and P/V (left) Arm dump RB419-6344Δ← Hydraulic hose (1/4, arm D) 11420Blue G1/4 1500-03 Quick 634-040
15 Between C/V and P/V (left) Arm scoop RB419-6345Δ← Hydraulic hose (1/4, arm C) 11210Green G1/4 1500-03 Quick 634-050
16 Between C/V and P/V (right) Bucket dump RB411-6346Δ← Hydraulic hose (1/4) 11950Brown G1/4 1500-03 Quick 634-055
17 Between C/V and P/V (right) Bucket scoop RB411-6347Δ← Hydraulic hose (1/4) 12020Pink G1/4 1500-03 Quick 634-060
18 Between C/V and P/V (left) Swivel left RB419-6348Δ← Hydraulic hose (1/4, swivel L) 1 1310 Red G1/4 1500-03 Quick 634-070
19 Between C/V and P/V (left) Swivel right RB419-6349Δ← Hydraulic hose (1/4, swivel R) 1 1140 Yellow G1/4 1500-03 Quick 634-080
20
Unload valve Front P/V (left)
Control valve
Front P/V (right)
Blue
Back
Red
Green
Rod Left Rod Rod
Bottom Bottom
Back
Gray
Pink
Brown
Sky-
blue
Yellow
Communicating
valve
Dozer
Bottom Rod Right Bottom Bottom
Swing Swivel Reserve Bucket Arm
Boom
Bottom
Travel
(left)
Travel
(right)

Kubota U25-3 Specifications

General

Brand	Kubota
Model	U25-3
Category	Excavators
Language	English