Backhoe bucket, With mono boom 10.50 m and heavy counterweight, Digging envelope – Liebherr R 976 User Manual
Page 18: Operating weight and ground pressure, Buckets
18
R 976 Litronic
Backhoe Bucket
with Mono Boom 10.50 m and Heavy Counterweight
0 m
0
-2
-4
-6
-8
-10
-14
-12
10
14
16
12
8
6
4
2
0
-5
-10
-15
-20
-25
-30
-35
-45
-40
35
30
45
50
55
m
R0016
ft
40
25
20
15
10
5
2
4
5
10
15
20
25
30
35
40
45
50
55
60
65
6
8
10
12
14
16
20
18
0 ft
1
2
3
4
Digging Envelope
1
2
3
4
Stick length
m 3.30
3.80
4.70
5.80
Max. digging depth
m 11.15 11.65 12.55 13.40
Max. reach at ground level
m 16.25 16.70 17.60 18.45
Max. dump height
m 10.65 10.90 11.40 12.25
Max. teeth height
m 15.05 15.35 15.85 16.30
Digging force ISO
kN
361
329
284
249
t 36.8
33.5
28.9
25.4
Breakout force ISO
kN
485
485
485
356
t 49.4
49.4
49.4
36.3
Operating Weight
and Ground Pressure
Operating weight includes basic machine with heavy counterweight,
mono boom 10.50 m, stick 4.70 m and bucket 2.20 m
3
(3,200 kg).
Undercarriage
HD
LC-V
Pad width
mm 500
600
750
500
600
750
Weight
kg 88,500 89,200 90,300 93,600 94,400 95,500
Ground pressure
kg/cm
2
1.71 1.43 1.16
1.68 1.41 1.14
* Indicated loads are based on ISO 10567 max. stick length, lifted 360° on firm
1)
Standard bucket with Liebherr teeth Z 90
2)
HD bucket with Liebherr teeth Z 90
3)
Standard bucket from R 966
litronic
`
with Liebherr teeth Z 70
4)
HD bucket from R 966
litronic
`
with Liebherr teeth Z 90
Other backhoes available on request
Max. material weight
X
= ≤ 2.2 t/m
3
,
Y
= ≤ 1.8 t/m
3
,
V
= ≤ 1.5 t/m
3
,
y
= ≤ 1.2 t/m
3
,
v
= not authorized
Buckets
Machine stability per ISO 10567* (75 % of tipping capacity)
Cutting
width
Capacity
ISO 7451
Weight
HD-Undercarriage
Stick length (m)
LC-V-Undercarriage
Stick length (m)
3.30
3.80
4.70
5.80
3.30
3.80
4.70
5.80
mm
m
3
kg
STD
1)
1,250 2.20 3,200
X
X
Y
v
X
X
X
v
1,400 2.70 3,450
X
Y
V
v
X
Y
Y
v
1,600 3.20 3,750
Y
V
y
v
Y
V
V
v
1,800 3.80 4,000
V
y
v
v
V
y
y
v
HD
2)
1,400 2.60 3,800
X
Y
V
v
X
Y
Y
v
1,600 3.10 4,250
Y
y
y
v
Y
V
V
v
1,800 3.60 4,400
V
y
v
v
V
y
y
v
STD
3)
1,350 2.00 2,750
v
v
v
Y
v
v
v
X
1,550 2.50 2,950
v
v
v
V
v
v
v
Y
1,750 3.00 3,150
v
v
v
y
v
v
v
V
1,950 3.50 3,450
v
v
v
v
v
v
v
y
HD
4)
1,600 2.00 3,550
v
v
v
V
v
v
v
Y
1,800 2.50 3,850
v
v
v
y
v
v
v
V
2,000 3.00 4,100
v
v
v
v
v
v
v
y