OPERATING THE MACHINE
5-26
Attachments
Example commercial attachment models (breakers and
crushers) for excavators are shown in the following table.
Among the crusher models, some models are heavier than
the recommended weight on the previous page. Before in-
stalling them, sufficiently coordinate with the attachment
manufacture. Always contact your nearest HITACHI dealer
before installing attachments shown with this mark *.
When the machine is operated with an attachment
other than bucket, generally heavier loads are ap-
plied to the base machine comparing with bucket
only operation. Therefore, unless the machine is
properly operated, damage not only the attachment
but to the base machine may result. Thoroughly
read and understand the base machine operator’s
manual and the attachment manual to prevent acci-
dents.
Breaker
Maker
HI-
TACHI
NPK Okada
Furu-
kawa
Mitsu-
bishi
Toukuu Matuda
Mon-
tabert
STK Ranma
Ger-
many
Krupp
Teisaku
Model
HSB25 H-4X OUB305 HB8G MKB500 TNB6E THBB401 BRH125 SIB305 E26 HM-301 TR305
Weight kg (lb)
420 510 400 430 530 390 430 400 385 500 450 400
Flow Rate (L/min)
50
～
150 50
～
80 60
～
80 45
～
85 40
～
85 45
～
80 40
～
85 40
～
100 60
～
80 60
～
135 45
～
85 42
～
68
Operating Pressure
MPa (kgf/cm
2
)
9.8
～
12.7
(100
～
130)
8.8
～
10.8
(90
～
110)
9.8
～
14.7
(100
～
150)
12.7
～
14.7
(130
～
150)
12.7
～
14.7
(130
～
150)
9.8
～
15.7
(100
～
160)
12.7
～
14.7
(130
～
150)
～
10.8
(
～
110
9.8
～
13.7
(100
～
140)
8.8
～
9.8
(90
～
100)
11.8
～
14.7
(120
～
150)
10.8
～
14.7
(110
～
150)
Secondary Relief
Valve Set Pressure
MPa (kgf/cm
2
)
－
15.7
(160)
17.2
(175)
14.7
(150)
19.6
(200)
17.7
(180)
NOTE: When operating some Montabert breaker models, the return hydraulic line size from the breaker may
be required to increase from 3/4” to 1”. Consult your nearest Hitachi dealer for modification.
Crusher
Maker
SANGO
JYUKI
NPK Oosumi STK
Model
TS700RCD S-7XA MR600 CX500
Weight kg (lb)
500 700 600 500
Overall Length mm
(ft·in)
1540 1820 1510 1700
Rated Pressure Mpa
(kgf/cm
2
)
20.6
(210)
20.6
(210)
31.4
(320)
27.4
(280)
Maximum Opening
Width mm (ft·in)
500 550 600 550
Swing Method Free Free Free Free
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