Backhoe bucket, Operating weight and ground pressure, Digging forces – Liebherr R 956 User Manual

Page 32: Buckets

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background image

Y

V

v

Y

V

v

V

y

v

V

y

v

y

v

v

y

v

v

v

v

X

v

v

X

v

v

Y

v

v

Y

v

v

V

v

v

V

v

v

y

v

v

y

32

R 956 Litronic

Backhoe Bucket

with Mono Boom 9.20 m and Heavy Counterweight

Digging Envelope

1

2

3*

Stick length

m 2.90

3.80

5.00

Max. digging depth

m 9.70 10.60 11.60

Max. reach at ground level

m 14.10 15.00 15.90

Max. dump height

m 9.55 10.05 10.75

Max. teeth height

m 13.15 13.70 14.00

Operating Weight

and Ground Pressure

Operating weight includes basic machine with heavy counterweight
and mono boom 9.20 m, stick 3.80 m and bucket 1.65 m

3

.

Undercarriage

LC

LC-V

Pad width

mm 500

600

750

500

600

750

Weight

kg 52,150 52,750 54,000 54,250 54,850 56,100

Ground pressure

kg/cm

2

1.10 0.93 0.76

1.15 0.97 0.79

Digging Forces

1

2

3*

Digging force ISO

kN

217

181

150*

t 22.1

18.6

15.3

Breakout force ISO

kN

313

313

236

t 31.9

31.9

24.1

* with bucket R 946

litronic

`

Buckets

Machine stability per ISO 10567* (75 % of tipping capacity)

LC-Undercarriage

LC-V-Undercarriage

Stick length (m)

Stick length (m)

2.90

3.80

5.00

2.90

3.80

5.00

mm

m

3

kg

1,350 1.65 2,100

1,550 2.00 2,250

1,750 2.35 2,450

1,200 1.25 1,280

1,350 1.50 1,370

1,500 1.75 1,460

1,650 2.00 1,580

* Indicated loads are based on ISO 10567 max. stick length, lifted 360° on firm

1)

Standard bucket with Liebherr teeth Z 70 (appropriate for materials up to classification 5, according to VOB, Section C, DIN 18300)

2)

Standard bucket from R 946

litronic

`

with Liebherr teeth Z 50

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

Cutting

width

Capacity

ISO 7451

Weight

STD

1)

STD

2)

14

15

16

17

13 12 11 10

7

8

9

6 5 4 3 2 1 0 m

45

50

55

40

35

30

25

20 15 10

5

0 ft

R0063

-40

-30

-35

-25

-20

-15

-10

-5

0

5

10

15

20

25

30

35

ft

45

40

1

2

3

-10
-11
-12

-9

-8

-7

-6

-5

-4

-3

-2

-1

0

1

2

3

4

5

6

7

8

9

10

11

15

12

13

14

m

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