Backhoe attachment, Digging envelope, Backhoe bucket – Liebherr R 954 C Litronic Demolition User Manual
Page 6: Operating weight and ground pressure
6
R 954 C Litronic Demolition Attachment
Backhoe Attachment
with Main Boom 5,50 m
For backhoe application, following
items are required
Main boom 5,50 m
Stick HD 2,35 m
Stick HD 2,90 m
Supports for backhoe attachment
Optional
Hydraulic lines AHS * for basic boom 5,50 m
Hydraulic lines AHS * for stick HD 2,35 m
Hydraulic lines AHS * for stick HD 2,90 m
Hydraulic lines rotary drive for for basic boom 5,50 m
Hydraulic lines rotary drive for stick HD 2,35 m
Hydraulic lines rotary drive for stick HD 2,90 m
Backhoe bucket – as required
Storage racks with catwalks for backhoe attachment
* AHS = hydraulic control for hydraulic accessor
Digging Envelope
Main Boom
pinned in upper (in lower) bearing
1
2
Stick
lengths
m 2,35 2,90
Max. digging depth
m 4,95 ( 7,20) 5,50 ( 7,75)
Max. reach at ground level
m 13,05 (12,10) 13,60 (12,60)
Max. dump height
m 10,95 ( 7,75) 11,40 ( 7,95)
Max. teeth height
m 14,70 (11,05) 15,15 (11,30)
Digging force SAE
kN/t
233/23,8
206/21,0
Digging force ISO
kN/t
248/25,8
217/22,1
Breakout force SAE
kN/t
269/27,4
269/27,4
Breakout force ISO
kN/t
313/31,9
313/31,9
Max. breakout force ISO
345 kN (35,2 t)
Backhoe Bucket
1)
Cutting
width
mm
1350 1550 1750 1950
Capacity ISO 7451
m
3
1,65 2,00 2,35 2,70
Max. material weight
HD-Undercarriage
t/m
3
1,2
– – –
V-/S-HD-Undercarriage
t/m
3
1,5 1,2 – –
HD-EW-/V-HDW-/VH-HD-Undercarriage
t/m
3
1,8 1,8 1,8 1,5
Weight HD backhoe bucket
kg 2500
2800
3050
3300
For machine stability per ISO 10567 the max. stick length is:
HD-Undercarriage
m
2,35
– – –
V-/S-HD-Undercarriage
m
2,35 2,35 –
–
HD-EW-/V-HDW-/VH-HD-Undercarriage
m
2,90 2,90 2,35 2,35
1)
with Esco teeth 61 (appropriate for materials above classification 6, per VOB, Section C, DIN 18300)
Operating Weight
and Ground Pressure
Operating weight includes basic machine with counterweight 9,0 t
main boom 5,50 m, stick HD 2,35 m and backhoe bucket HD 1,65 m
3
(2500 kg).
Undercarriage
HD
V
S-HD HD-EW V-HDW VH-HD
Pad
width
mm
600 600 600 600 600 600
Weight
kg 54900 57900 59700 63300 66500 69000
Ground pressure
kg/cm
2
0,96 1,02 1,07 1,06 1,12 1,13
4
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