Backhoe bucket, With straight mono boom 6.50 m digging envelope, Operating weight and ground pressure – Liebherr R 936 User Manual
Page 18: Digging forces, Buckets
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18
R 936 Litronic
Backhoe Bucket
with Straight Mono Boom 6.50 m
Digging Envelope
with Quick Coupler
1
2
3
4
Stick length
m 2.50
2.80
3.10
3.90
Max. digging depth
m 6.05
6.35
6.65
7.45
Max. reach at ground level
m 10.65 10.95 11.25 12.00
Max. dump height
m 7.95
8.15
8.40
8.95
Max. teeth height
m 11.50 11.70 11.90 12.50
Operating Weight
and Ground Pressure
Operating weight includes basic machine with straight mono boom
6.50 m, stick 2.50 m, quick coupler 66 and bucket 1.00 m
3
(960 kg).
Undercarriage
NLC
LC
Pad width
mm 500
600
750
500
600
750
Weight
kg 30,650 31,000 31,950 30,750 31,100 32,050
Ground pressure
kg/cm
2
0.71 0.60 0.49
0.71 0.60 0.49
Digging Forces
with Quick Coupler
1
2
3
4
Digging force ISO
kN
143
133
125
107
t 14.5
13.5
12.7
10.9
Breakout force ISO
kN
166
166
166
166
t 16.9
16.9
16.9
16.9
without Quick Coupler
Digging force ISO
kN
152
141
131
111
t 15.5
14.4
13.4
11.3
Breakout force ISO
kN
193
193
193
193
t 19.7
19.7
19.7
19.7
Max. breakout force with ripper bucket
255 kN (26.0 t)
Buckets
Machine stability per ISO 10567* (75 % of tipping capacity)
NLC-Undercarriage
LC-Undercarriage
Stick length (m)
Stick length (m)
2.50 2.80 3.10 3.90 2.50 2.80 3.10 3.90 2.50 2.80 3.10 3.90 2.50 2.80 3.10 3.90
mm
m
3
kg
kg
without quick coupler
with quick coupler
without quick coupler
with quick coupler
1,050 1.00 940 960
1,250 1.25 1,070 1,090
1,400 1.45 1,140 1,160
1,550 1.60 1,210 1,230
1,650 1.75 1,280 1,300
1,650 2.00 1,400
–
1,050 1.00 1,100 1,120
1,250 1.25 1,250 1,270
1,400 1.45 1,340 1,360
1,550 1.60 1,430 1,450
1,650 1.75 1,520 1,540
* Indicated loads are based on ISO 10567 max. stick length, lifted 360° on firm
1)
Standard bucket with teeth Z 50
2)
HD bucket with teeth Z 50
3)
Bucket for direct fitting
4)
Bucket for fitting to quick coupler
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
3)
Weight
4)
STD
1)
HD
2)
Optional: heavy counterweight
(heavy counterweight increases the operating weight by 900 kg and
ground pressure by 0.02 kg/cm
2
)
m
ft
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-5
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-30
0 m
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0 ft
R0050