Kubota U25-3 Repair Manual

U20-3, U25-3 WSM Hydraulic system (Service section)
IV-S-25
[3] Specifications and dimensions
1) Specifications and dimensions at a glance
Unit U20-3 U25-3 Remarks
Boom
Tube I.D. × Rod O.D. mm 65×35 70×40
Stroke mm 482/452 476/455 canopy/cabin
Max.retraction length mm 778/778 795/795 canopy/cabin
Seal Kit No. RB411-71471 RB511-71471
Piston tightening torque
N·m
kgf·m
578
59
747
76
Piston screw size mm M27 M30
Width for tightening by spanner mm 41 50
Arm
Tube I.D. × Rod O.D. mm 65×40 70×40
Stroke mm 450 484
Max.retraction length mm 733 800
Seal Kit No. RB411-71551 RB511-71551
Piston tightening torque
N·m
kgf·m
644
65
747
76
Piston screw size mm M30 M30
Width for tightening by spanner mm 50 50
Bucket
Tube I.D. × Rod O.D. mm 60×35 60×35
Stroke mm 416 416
Max.retraction length mm 679 741
Seal Kit No. RB411-71791 RB511-71791
Piston tightening torque
N·m
kgf·m
735
75
462
47
Piston screw size mm M27 M27
Width for tightening by spanner mm 41 41
Swing
Tube I.D. × Rod O.D. mm 60×35 60×35
Stroke mm 420 420
Max.retraction length mm 686 686
Seal Kit No. RB411-71871 RB411-71871
Piston tightening torque
N·m
kgf·m
470
48
470
48
Piston screw size mm M27 M27
Width for tightening by spanner mm 41 41
Dozer
Tube I.D. × Rod O.D. mm 80×40 90×45
Stroke mm 138 126
Max.retraction length mm 499 505
Seal Kit No. RB411-71671 RB511-71671
Piston tightening torque
N·m
kgf·m
795
81
855
87
Piston screw size mm M33 M36
Width for tightening by spanner mm 55 55

Kubota U25-3 Specifications

General

Brand	Kubota
Model	U25-3
Category	Excavators
Language	English