Dimensions, Basic machine lrb 255, Technical data – Liebherr LRB 255 User Manual
Page 4: Operating weight and ground pressure
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4
LRB 255
Dimensions
Basic machine LRB 255
4000
4230
5700
900
4700
90°
90°
R 4200
21200 (24000) [27200] {30200}
1:6
1:3
2.8°
2.8°
800
Technical data
Leader length
21/24/27/30 m
Capacity hammer including cap plus pile
30 t
Max. hammer weight
15 t
Max. pile weight
15 t
Max. pull, leader on ground
450 kN
Max. torque
300 kNm
Working radius machine
center of rotation — front edge leader
3.2 — 4.9 m
Stepless rig inclination adjustment
Lateral inclination
± 1:20
Forward inclination
1:6
Backward inclination
1:3
Vertical leader adjustment
above ground level (depending on radius)
3 m
below ground level (depending on leader length)
5 m
Leader swing range
± 90°
Operating weight and ground
pressure
Total weight with 900 mm 3–web shoes
80.8 t
Ground bearing pressure
0.91 kg/cm
2
The operating weight includes the basic machine LRB 255 (leader
length 21.2 m, without working tools) and 12.5 t counterweight.