Backhoe bucket, Digging envelope, Digging forces – Liebherr R 926 User Manual
Page 18: Buckets
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18
R 926 Litronic
Backhoe Bucket
with Straight Mono Boom 6.00 m
Operating Weight
and Ground Pressure
Operating weight includes basic machine with straight mono boom
6.00 m, stick 2.70 m, quick coupler 48 and bucket 0.95 m
3
.
Undercarriage
NLC
SLC
Pad width
mm 500
600
750
500
600
750
Weight
kg 25,700 25,950 26,700 25,800 26,050 26,800
Ground pressure
kg/cm
2
0.62 0.52 0.43
0.62 0.52 0.43
Undercarriage
LC
WLC
Pad width
mm 500
600
750
500
600
750
Weight
kg 25,900 26,150 26,900 26,000 26,250 27,000
Ground pressure
kg/cm
2
0.63 0.53 0.43
0.63 0.53 0.43
Digging Envelope
with Quick Coupler
1
2
3
4
Stick length
m 2.40
2.70
3.00
3.70
Max. digging depth
m 5.75
6.05
6.35
7.05
Max. reach at ground level
m 9.90 10.20 10.45 11.10
Max. dump height
m 7.50
7.70
7.90
8.25
Max. teeth height
m 10.70 10.95 11.15 11.50
Digging Forces
without Quick Coupler
1
2
3
4
Digging force ISO
kN
151
139
129
110
t 15.3
14.1
13.1
11.2
Breakout force ISO
kN
192
192
192
192
t 19.5
19.5
19.5
19.5
with Quick Coupler
Digging force ISO
kN
143
132
123
106
t 14.5
13.4
12.5
10.8
Breakout force ISO
kN
165
165
165
165
t 16.8
16.8
16.8
16.8
Optional: heavy counterweight
(Heavy counterweight increases the operating weight by 500 kg and
ground pressure by 0.01 kg/cm
2
)
12
11
35
30
25
20
15
10
5
0
-5
-10
-15
-20
-25
m
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
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
1,250
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
1,600
1)
1.75 1,060
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
1,600
2)
1.75 1,070
* 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