Kubota U25-3 Repair Manual

U20-3, U25-3 WSM Hydraulic system (Mechanism section)
IV-M-4
C.Main pump
a. Structure & specifications
No. PARTS NAME Q’ty No. PARTS NAME Q’ty No. PARTS NAME Q’ty No. PARTS NAME Q’ty
Body S 1 21 Rod G 1 41 None 61 Hex nut 1
2 Body H 1 22 None 42 Plug 1 62 Sealing washer 1
3 Shaft 1 23None 43O-ring 1 63None
4 Cylinder barrel 1 24 Retainer 2 44 Hex socket bolt 5 64 None
5 Valve plate 1 25 Stopper pin A 1 45 None 65 Gear pump 1
6 Piston 10 26 Stopper pin B 1 46 None 66 Coupling 1
7 Shoe 10 27 Socket pin 1 47 None 67 Collar 1
8 Shoe holder 1 28 None 48 None 68 Hex bolt 2
9 Barrel holder 1 29 None 49 Hex socket plug 5 69 O-ring 1
10 Swash plate 1 30 Ball bearing 1 50 None 70 Washer 2
11 Needle 3 31 Needle bearing 1 51 Plug 1 71 O-ring 1
12 Oscillating pin 2 32 Oil seal 1 52 None 72 O-ring 1
13 Packing 1 33 Plate spring 4 53 None
14 Spring C 1 34 Snap ring 1 54 None
15 Spring T1 1 35 Snap ring 1 55 None
16 None 36 Snap ring 1 56 Spring pin 1
17 None 37 None 57 None
18 Spring holder 1 38 None 58 None
19 Spring guide 1 39 O-ring 1 59 None
20 Pin 1 40 O-ring 2 60 Hex socket lock screw 1
Machine model U20-3 U25-3
Engine RPM 2200 2400
Manufacturer Fujikoshi Fujikoshi
Type PVD-OB-24P-6G3-4694A PVD-OB-24P-8G3-4837B
Variable displacement pump + Gear pump Variable displacement pump + Gear pump
Discharge
Capacity
P
1, P2
23.0 L / min
6.1 GPM
28.8 L / min
7.6 GPM
P
3
12.8 L / min
3.4 GPM
19.2 L / min
5.1 GPM
P
P
5.9 L / min
1.6 GPM
6.5 L / min
1.7 GPM

Kubota U25-3 Specifications

General

Brand	Kubota
Model	U25-3
Category	Excavators
Language	English