Backhoe bucket, With mono boom 5.70 m digging envelope, Operating weight and ground pressure – Liebherr R 924 User Manual
Page 16: Digging forces, Buckets
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16
R 924 Litronic
Backhoe Bucket
with Mono Boom 5.70 m
Digging Envelope
with Quick Coupler
1
2
3
4
Stick length
m 2.40
2.70
3.00
3.70
Max. digging depth
m 6.25
6.55
6.85
7.55
Max. reach at ground level
m 9.50
9.80 10.05 10.65
Max. dump height
m 6.35
6.50
6.65
6.80
Max. teeth height
m 9.40
9.55
9.70
9.80
Operating Weight
and Ground Pressure
Operating weight includes basic machine with mono boom 5.70 m,
stick 2.40 m, quick coupler 48 and bucket 0.95 m
3
.
Undercarriage
NLC
SLC
Pad width
mm 500
600
750
500
600
750
Weight
kg 23,500 23,750 24,350 23,600 23,850 24,450
Ground pressure
kg/cm
2
0.60 0.50 0.41
0.60 0.50 0.41
Undercarriage
LC
WLC
Pad width
mm 500
600
750
500
600
750
Weight
kg 23,650 23,900 24,500 24,300 24,550 25,300
Ground pressure
kg/cm
2
0.60 0.50 0.41
0.59 0.49 0.41
Digging Forces
without Quick Coupler
1
2
3
4
Digging force ISO
kN 132
121
112
96
t 13.5
12.3
11.4
9.8
Breakout force
kN 178
178
178
178
t 18.1
18.1
18.1
18.1
with Quick Coupler
Digging force ISO
kN 125
115
107
92
t 12.7
11.7
10.9
9.4
Breakout force
kN 153
153
153
153
t 15.6
15.6
15.6
15.6
Optional: heavy counterweight
(Heavy counterweight increases the operating weight by 1,000 kg and
ground pressure by 0.02 kg/cm
2
)
Buckets
Machine stability per ISO 10567* (75 % of tipping capacity)
NLC-Undercarriage
SLC-Undercarriage
LC-Undercarriage
WLC-Undercarriage
Stick length (m)
Stick length (m)
Stick length (m)
Stick length (m)
2.40
2.70
3.00
3.70
2.40
2.70
3.00
3.70
2.40
2.70
3.00
3.70
2.40
2.70
3.00
3.70
mm
m
3
kg
1,050
1)
0.95 700
1,250
1)
1.15 780
1,400
1)
1.35 860
1,500
1)
1.45 900
1,600
1)
1.55 940
1,500
1)
1.65 1,020
1,050
2)
0.95 710
1,250
2)
1.15 790
1,400
2)
1.35 870
1,500
2)
1.45 910
1,600
2)
1.55 ,950
1,500
2)
1.65 1 030
* Indicated loads are based on ISO 10567 max. stick length, lifted 360° on firm
1)
Standard bucket for direct mounting with teeth Z 40
2)
Standard bucket for mounting to quick coupler with teeth Z 40
Other backhoes available on request
Max. material weight
Y
= ≤ 1.8 t/m
3
,
V
= ≤ 1.5 t/m
3
,
y
= ≤ 1.2 t/m
3
,
v
= not authorized
Cutting
width
Capacity
ISO 7451
Weight
11
m
35
30
25
20
15
10
5
0
-5
-10
-15
-20
-25
ft
m
0
0
5
10
15
20
25
30
35
40
1
2
3
4
5
6
7
8
9
10
11
12
ft
10
9
8
7
6
5
4
3
2
1
0
-1
-2
-3
-4
-5
-6
-7
-8
1
2
4
3