Reconditioned  KROLL Luffing Jib Tower Cranes and accessories.

2 UNITS
Model : Kroll K80L – INTERNAL climbing type
Serial Number: 1346 and 1347
Year of original manufacture: 1992
Date of factory upgrade and reconditioning: 2008

Each topkit identical as follows:

Jib: 40m
Max capacity: 8 tons at 16.6m
Tip capacity : 2 tons at 40m

• Forced ventilation unit with air filter
• With Lenze electro magnetic motor brake.
• Speed:  8T capacity- 55m/min
              4T capacity-110m/min
• NEW hoist wire rope

Luffing winch  : 55 kw DC stepless control with dual brake system.

• Forced ventilation unit with air filter
• Lenze electro magnetic motor brake
• Bubenzer electro hydraulic disc brake
• 15 deg to 85 deg luffing action
• NEW Luffing hoist wire rope

Slewing : 1 x 5kw DC stepless drive with K brake.

Electrical : System upgrades to 2008 specifications (supplied and installed at Kroll factory) including.

• Full replacement of analog DC control system with Siemens digital programmable converter systems.
• New updated Programmable Logic Controller for crane management (PLC)
• New operator display system,
• New joystick control systems
• New load  pin/ load moment gauge/ anemometer
• All DC and AC motors checked, bearings replaced, brush gear replaced where required. Motors run – tested under workshop conditions.

All electrical upgrades were performed, installed and certified by Kroll Crane factory.

Operators cabin  : With ergonomic seat, new joystick controls, new PLC and display,
                               window blinds and wipers.

Electrical room   : Complete with upgraded Siemens digital control panel and airconditioning.

Accessories        : Counterweights and NEW power cable included. All bolts and fittings.

AVAILABLE MASTS

Kroll K400 SN 1503

Crane Model:   K-400, Serial number 1503
Crane Type:     1 unit static Krøll tower crane model K-400 as per layout
                           drawing C1-00.00090341-1

CRANE DATA:
Jib reach                    :  70 m.
Jib tip load                 :  4.0 tons.
Max. load                  :  20 tons at 19.1 m reach.
Height under hook    :  174 m (above foundation).
Erected on                 :  Expendable mast section.

DESIGN STANDARDS:
Steel structure and stability        :  FEM 1.001 - 3rd edition - 1987.10.01.
Drives                                           :  DIN 15020.
Electrical                                      :  EN 60204-1.
Material                                       :  EN 10025.
Welding                                        :  EN 288-3.
Max Wind speed in service        :  20 m/sec.
Max Wind speed out of service  :  42 m/sec.

Jib structure  :      1 off inner section      10 m long.
                              3 off heavy section     10 m long.
                              1 off eye section         10 m long.
                              1 off light section        10 m long
                              1 off light section          5 m long
                              1 off tip section            5 m long.
All sections are incl. gangway, handrail and all necessary accessories service platforms in jib tip section and inner section.

Counter jib structure   :      1 off inner section 6 m.
                                             1 off middle section 6 m.
                                             1 off outer section 5 m.
All sections are incl. gangway, handrail and all necessary accessories, but exclusive concrete counterweight blocks.

Top tower structure     :      1 off front leg section, stay bar connection.
                                             1 off rear leg section.
Incl. Ladders, back guards, platforms and all necessary accessories.

Slewing structure         :     1 off slewing frame fitted with roller bearing ring.
                                             Incl. platforms, railings and all necessary accessories.

Mast structure            :       1 off masthead.
                                             1 off CTM28, collar telescopic mast section.
                                             11 off M40 mast sections, 5.8 m long.
                                             1 SET FIXING ANGLES - USED
All mast sections are incl. inclined ladder system with platforms, cable ladders and all necessary accessories.

Stay bar for 70 m jib                     :    1 set

Hoist winch     :     1 pc. 100 kW with stepless control.
                        :     1 pc. 100 kW DC-motor, IP44 degree of protection according to IEC 35.
                              Fitted with encoder and overspeed switch.
                        :     1 pc. fail-safe calliper disc brake, spring applied.
                        :     1 pc. special Lebus grooved drum to give controlled multilayer spooling.
                        :     1 pc. 22 mm diameter hoist rope.

Lifting capacity speeds:

2 Part line   :            0  -  2,000 kg        0.1-160      m/min.
                          5,000  -  5.000 kg        0.1- 94       m/min.
                          5.000  - 10.000 kg       0.1- 52       m/min.
                                  
4 Part line   :            0  -  4,000 kg         0.1- 80       m/min.
                          4,000  - 10.000 kg        0.1- 47       m/min.
                        10.000  - 20.000 kg        0.1- 26       m/min.

Trolley winch     :     1 pc. Trolley winch with stepless control build onto a winch frame.
                           :     1 pc. 10 kW  AC squirrel cage brake motor with degree of protection
                                  IP 44 according to IEC 35.
                           :     1 pc. helical grooved drum with rope capacity for 70 m jib in one layer,
                                  incl. min. two dead wraps at each rope dead end.

Drive capacity   :     10 tons with 2 part reeving.
                                 20 tons with 4 part reeving.

Trolley ropes     :     1 off Inner rope 12 mm diameter.
                                 1 off Outer rope 12 mm diameter.

Trolley/hook assembly    :     1 set 20 tons system 2/4 part reeved.
                                                - Fitted with trolley wire rope break safety device.
                                                1 off 20 tons double hook acc to Din 15402.

Trolley Speed    :     0 – 10 tons         0-70 m/min
                                 0 – 20 tons         0-35 m/min

Slewing drive     :     3 pcs. stepless control drives with build-in slip clutch vertical mounted.
                           :     3 pcs. 5 kW DC-motor. Degree of protection IP 54 according to IEC 35.
                           :     3 pcs. Fail-safe spring loaded electro-magnetic brakes.

Slewing speed, neutral wind         :    0-0.6 rpm.

Collector           :     1 off fitted inside mast head with sliprings for power supply.

Power cable      :     Cable to bottom of mast, 190 m.
                                
Anemometer     :     1 off at top tower, incl. indicator in cabin. Alarm for max. wind speed.

Aircraft warning light :     1 off red steady light at top tower.

Lightning conductor   :     1 off at tower top with 50mm2 insulated cable connection to
                                              ground.

Power supply              :     3 x 460 V, 60 Hz

Surface treatment structure    :     a) Shot blasting.
                                                        b) Zinc spraying.
                                                        c) Final layer of paint.

Colour                  :     Red , RAL 3002.
                                   
Documentation    :     3 set manual in English:         
                                    - operation
                                    - maintenance
                                    - service
                                    - erection        
                                    - electrical
                                    - assy. drawings

Kroll Tower Crane
Model K10000 Very Large Tower Crane

Manufactured by Kroll Cranes A/S in Denmark
This crane model is the largest capacity such crane in the world with a 10,000-tons/meter rating.

Characteristics:

• Bottom slewing saddle jib tower crane
• With variable radius counterweight system
• With twin winch ultra lift system
• Mounted on rail traveling portal bogie system.
• Equipped with a 400-tons/meter capacity service crane
• Equipped with a personnel (man) lift installed in the mast.

• 240 tons capacity hook block
• Rail traveling electric powered undercarriage, 18 x 18 meters
• Liebherr service crane:
  - Max capacity 20 tons @ 20 meters radius
  - Tip load 4.4 tons @ 63 meters radius

Slewing motors - performance details:

Rail traveling bogie - performance details: