Dba 80, Double rotary drive – Liebherr LRB 255 User Manual
Page 8

8
Due to impr
ovement and engineering pr
ogr
ess we r
eserve the right to change specifications without notice.
All dimensions in mm / inch; only metric values are valid.
DBA 80
With basic machine LRB 125
Specifications DBA
80
Max. speed
Drive I
1
st
gear
18 rpm
Drive I
2
nd
gear
36 rpm
Drive II
1
st
gear
24 rpm
Drive II
2
nd
gear
48 rpm
Max. torque
Drive I
1
st
gear
80 kNm
60,000 ft.lbs
Drive I
2
nd
gear
40 kNm
30,000 ft.lbs
Drive II
1
st
gear
60 kNm
45,000 ft.lbs
Drive II
2
nd
gear
30 kNm
22,000 ft.lbs
Weight
approx.
4200
kg
9,259 lbs
Indicated values do not consider efficiency loss.
• Extremely compact and lightweight design
• Specially designed drives for “in front of the wall” applications
• Relative adjustment cylinder for auger +/- 150 mm (+/- 6 inch)
• Flushing head DN100 (4 inch)
• Concrete pressure sensor
Special features
Double rotary
drive
Basic machines
LRB 125
LRB 125XL
LRB 155
3371
280
280
583
500
100
880
132.72
11.02
11.02
22.95
19.69
3.94
34.65
828
225
32.56
8.86
300
11.81
stroke
Concreting kelly,
octogon 150 mm (5.9 inch)
Cardan
Drive flange with taper bolts
Lubrication pump
Drive I for casing
Hydraulic motors
Oil drain plug
Sliding cylinder for relative adjustment
Flushing head DN100 (4 inch)
Drive II for auger