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lattice-boom crane - Liebherr Cranes - #3

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Crane carrier

Crane superstructure


	Frame	Liebherr designed and manufactured, box type, torsion resistant, all-welded construction made of high-tensile structural steel.
	Outriggers	4 hydraulic swing-out beams with support pad jacks.
	Engine	Diesel, 8 cylinder, watercooled, make Liebherr, type D 9408 Tl-E A5, output 440 kW DIN (598 HP) at 2100 min¹ acc. to ECE-R 24.03 and 2001/27/EG (Euro 3), max. torque 2580 Nm at 1200 min¹ -1500 mirr¹. Fuel tank capacity: 600 litres.
	Transmission	Allison, type CLBT 755 automatic transmission with torque converter and hydro-dynamic retarder brake, 5 forward speeds, 1 reverse. Splitter gearbox with differential and differential lock, off-road range.
	Axles	Heavy-duty crane truck axles, all 8 axles sprung. Axles 1 to 4 and 7 and 8 steered. Axles 1,2,5 and 6 have planetary reduction gears with differential locks.
	Suspension	All axles are hydropneumatically sprung with automatic levelling. Load equalization between all axle pairs. Suspension can be hydraulically locked.
	Tyres	24 tyres. Axles 1,2,5 and 6 with single tyres, axles 3, 4, 7 and 8 with twin tyres. Tyre size: 14.00 R 25.
	Steering	ZF semi-unitary hydraulic power steering with 2 pump circuits. Main pump circuit driven from enging, auxiliary pump circuit from final drive.
	Brakes	Service brake: servo assisted air brakes acting on all wheels, dual circuit system. Hand brake: spring-action, acting on all wheels of axles 2 to 7.
	Driver's cab	Large-area, all-steel cab with resilient mountings, safety glass windows and full range of instruments.
	Electrical system	24 Volts DC, 2 batteries, lighting to German road vehicle regulations.


	Frame	Self-manufactured, torsion resistant, welded construction of high-tensile steel. Connected to chassis by a 3-row roller slewing ring, 360° slewing range.
	Engine	Diesel, 6 cylinder, watercooled, make Liebherr, type D 9406 Tl-E, output 300 kW DIN (408 HP) at 1900 mirr¹, max. torque 1710 Nmat 1400 min-¹.
	Crane drive	Hydraulically by pump transfer case and 5 axial piston variable displacement pumps with capacity control, closed hydraulic circuits.
	Crane control	Servo control with electronic synchronizing device on hoisting winches. Energy recycling during lowering of load. All motions controlled independently by joystick selectors.
	Winches	Winches, hydraulically controlled by axial piston variable displacement pumps and planetary gears. Spring-loaded multi-disc brakes with hydraulic release.
	Slewing gears	Hydraulically controlled by axial piston pump and planetary gear, spring-loaded multi-disc brake with hydraulic release. Infinitely variable slewing speed 0-1.2 min^-1.
	Counterweight	160 t, consisting of: 1 base slab of16t, 12 slabs of10t each and 4 slabs of 6 t each. Additional counterweight 40 t option.
	Operator's cab	Sheet steel design with safety glazing, movable sideward and inclinable to the rear, including operating equipment and check instruments.
	Safety devices	LICCON safe load indicator, hoist limit switch, safety valves to protect hydraulic system against pipe and hose fracture.
	Electrical system	24VDC-2 batteries, 143 Ah each.

Boom configurations

Design

Optional features

SL - SLD -SD-SW- SWN - SDW - SDWN.

Suspended ballast of 250 t for SLDB - SDB -SDWB.