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LIEBHERR LR 1750/2 CRAWLER CRANE

TECHNICAL DATA AND PHOTOS

Model: LR 1750/2
Manufacturer: LIEBHERR
Type: heavy crawler crane


Maximum load capacity: 750t at 9.00 m radius
(Maximum load capacity: 1,653,000 lbs at radius 30 ft)
Main boom, lightweight/heavyweight from: 21 m (69 ft)
Main boom, lightweight/heavyweight up to: 140 m (460 ft)
Maximum load torque: 9 864 tm at 18 m radius
(Maximum load torque: 72,753,000 lbs-ft - 1208 kips at 59 ft radius)
Lattice jib from: 14 m (46 ft)
Lattice jib up to: 105 m (344 ft)
Derrick boom from: 31,5 m (103 ft)
Derrick boom up to: 38,5 m (126 ft)
Central ballast: 95 t (209,200 lbs)
Counterweight at superstructure: 245 t (539,600 lbs)
Derrick ballast: 400 t (881,000 lbs)
Total ballast: 720 t (1,587,325 lbs)

Maximum hook height (with main boom and lattice jib): 192 m (640 ft)

ROPE:
Rope diameter: 28 mm (1 ft 1 in)
Number of lines:
Load 600/312t (1322.7/688 kips) - 2 x 22
Load 400/215t (882/474 kips) - 2 x 14
Load 200t (441 kips) - 11
Load 125t (276 kips) - 7
Load 50t (110 kips) - 3
Load 16t (35.3 kips) - 1

ENGINE:
Model: Liebherr D9508 A7
Type: 8-cylinder diesel
Engine power: 455 kW (618 hp) at 1800 rpm
Maximum torque: 2842 Nm
Fuel tank approx.: 820 litr
Exhaust emission: according to directive 97/98/EG and EPA/CARB

TRACK:
Track length: 11 900 mm (39 ft 1 in)
Wheelbase: 10 600 mm (34 ft 9 in)
Track width: 10 300 mm - 10 800 mm (33 ft 10 in - 35 ft 10 in)
Track gauge: 8 800 mm (28 ft 10 in)
Width track shoes - standard: 1 500 mm (4 ft 11 in)
Width track shoes - optional: 2 000 mm (6 ft 7 in)
Track height: 2 130 mm (7 ft)
Ground clearance: 457 mm (1 ft 6 in)

Driving speed: 1.65 km/h (1.03 mph)


LIEBHERR LR1750/2 heavy crawler crane
LIEBHERR LR 1750/2 heavy crawler crane.
Date of the photo: 31 January 2018
Author of the photo: Kecko
License : (CC BY 2.0)
Changes made: cut of the original photo.
The original photo is under the photo.


LIEBHERR LR 1750/2 heavy crawler crane
LIEBHERR LR 1750/2 heavy crawler crane.
A snapshot from the moving train on the crawler crane with which the big parts of the new railway bridge are placed. The Rhaetian Railway is building a new stretch of double track near Reichenau-Tamins. The bottleneck is the old single-track bridge. This construction site can be seen from the trains to and from St Moritz and Disentis. Switzerland, Jan 31, 2018.
Date of the photo: 31 January 2018
Author of the photo: Kecko
License : (CC BY 2.0)


LIEBHERR LR 1750/2 heavy crawler crane
LIEBHERR LR 1750/2 heavy crawler crane.
The largest crawler crane in Switzerland, Liebherr LR 1750/2, for the assembly of the big bridge parts. Lifting capacity 750 tons. Construction of a second Hinterrhein bridge for the Rhaetian Railway. Switzerland, Feb 11, 2018.
Date of the photo: 11 February 2018
Author of the photo: Kecko
License : (CC BY 2.0)


The counterweight of the LIEBHERR LR 1750/2
The counterweight of the LIEBHERR LR 1750/2.
The suspended ballast as counterweight at the crawler crane on the construction site of the new RhB Hinterrhein bridge (27x12.5 t). With the parts attached to the crane it's a total of 487.5 tons. The weight parts are removed or added as needed by a crane truck. The whole package is hydraulically controlled. The maximum lifting capacity that can be achieved is 750 tons. The 'Liebherr LR 1750/2' is considered as largest crawler crane in Switzerland. Switzerland, Feb 11, 2018.
Date of the photo: 11 February 2018
Author of the photo: Kecko
License : (CC BY 2.0)


LIEBHERR LR 1750/2 heavy crawler crane
LIEBHERR LR 1750/2 heavy crawler crane.
Construction Hinterrheinbrücke RhB.
The second part of the new bridge is put down by the crane at the western end. Switzerland, Feb 13, 2018.
Date of the photo: 13 February 2018
Author of the photo: Kecko
License : (CC BY 2.0)


Liebherr LR 1750/2 heavy crawler crane
Liebherr LR 1750/2 heavy crawler crane.
The second part of the new bridge is put down by the crane at the western end. Switzerland, Feb 13, 2018.
Date of the photo: 13 February 2018
Author of the photo: Kecko
License : (CC BY 2.0)


A hook of the LIEBHERR LR 1750/2 crane
A hook of the LIEBHERR LR 1750/2 crane.
Deflection pulleys and a second, larger crane hook for exchange. The crawler crane Liebherr LR 1750/2 can lift loads up to 750 tons. Switzerland, Feb 13, 2018.
Date of the photo: 13 February 2018
Author of the photo: Kecko
License : (CC BY 2.0)






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