Kubota U25-3 Repair Manual

U20-3, U25-3 WSM Machine body (Service section)
II-S-54
[3] Track frame
Dwg. No. Part No. Part name
Q’ty
Interchangeability Remarks
A
010 RB411-2121-3 Frame (track, center) 1 Weight about 152 kg
020 RB411-2122-2 Frame (track, left)
1
~50185
020 RB411-2122-4 Frame (track, left)
1
50186~
≠ Weight about 103 kg
030 RB-411-2123-2 Frame (track, right)
1
~50185
030 RB411-2123-4 Frame (track, right)
1
50186~
≠
040 RB-411-2115-0 Cover (moter) 2
050 RB411-2126-0 Cover (hose) 2
060 01135-61020 Bolt 10 M10×20L×1.25p 7T 48.1~55.9N·m(4.9~5.7kgf·m)
070 RB411-2127-0 Plain washer 1
080 01138-61020 Bolt 4 M10×20L×1.25p 7T 48.1~55.9N·m(4.9~5.7kgf·m)
090 04015-60100 ??? 4
100 RB401-2122-0 Pin 2 φ30×62L
110 01133-61020 Bolt 2 M10×20L×1.25p 7T 48.1~55.9N·m(4.9~5.7kgf·m)
120 RB411-2125-0 Bolt (stopper) 4 Tipφ24 M32 fine-threaded 7T Tightning torgue:294.2~343.2N·m(30~35kgf·m)
130 04512-60200 Spring washer 4
140 06331-35012 Plug 8 Rubber crawler
150 RB411-2181-2 Plate (slide) 4 Iron crawler
160 01133-61220 Bolt 8 Iron crawler M10×20L×1.25p 7T 48.1~55.9N·m(4.9~5.7kgf·m)
170 04013-60120 Plain washer 8 Iron crawler
180 RB411-2182-0 Guide (crawler) 4 Iron crawler
190 01133-61020 Bolt 12 Iron crawler M10×20L×1.25p 7T 48.1~55.9N·m(4.9~5.7kgf·m)
While
Bolt
Bolt (stopper) 4 pcs.
Spring washer 4 pcs.
Discontinued as from the 7th unit in August production
Frame (track, center): discontinued as from Hirakata production lot
Frame (Frack, right)
Frame (Frack, center)
Frame (track, left)
(Do the same for the right side.)
(Do the same to the frame (track, right)).
Apply grease all over the
hatched inner surfaces.
Apply grease all over the
hatched inner surfaces.
Not
Blade, assembly (center)
Pin (30-135)
Blade (left)
Blade (right)
pressing tightly
enough, lock the nut.
Then make sure the extension
blade lock pin can be smoothly
pulled and pushed.
Preparatory steps
Greasing the track frame stretcher
1. Press down the track stretch lever to get
the track width to maximum (1500 mm).
2. Remove mud off the stretcher, and apply
grease evenly all around the square pipe.
(4 locations at front and back)
3. Do the track stretching several times
between maximum (1500 mm) and
minimum (1300 mm) in order to get the
stretcher well greased.
Grease here.Grease here.
Iron Crawler

Kubota U25-3 Specifications

General

Brand	Kubota
Model	U25-3
Category	Excavators
Language	English