Knuckle Boom
PK 21.501 SLD 1
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- PK 21.501 SLD 1
PK 21.501 SLD 1
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The knuckle joint on the crane's knuckle boom improves lifting power significantly in typical working positions. Developed by PALFINGER, this knuckle boom can be angled upwards providing excellent movement geometry. Difficult crane jobs can be performed with precision even in the tightest spaces.
- Technical data U.S. Units
- Technical Data Metric
- Lifting Capacities U.S. Units
- Lifting Capacities Metric
Max. lifting moment | 151290.0 ft lbs |
Max. lifting capacity | 13,700 lb |
Max. hydraulic outreach | 48' 11'' |
Max. manual outreach | 62' 4" |
Slewing angle | 400° |
Slewing torque | 16960.0 ft lbs |
Stabilizer spread (std) | 16' 5'' |
Width folded | 8' 2'' |
Max. operating pressure | 4785 psi |
Pump capacity | 11.9 - 15.9 gpm |
Dead weight (std) | 4960 lbs |
Cranes shown in the leaflet are partially optional equipped and do not always correspond to the standard version.
Country-specific regulations must be observed. Dimensions may vary. Subject to technical changes, errors and translation mistakes.
Max. lifting moment | 20.9 mt |
Max. lifting capacity | 6200 kg |
Max. hydraulic outreach | 14.9 m |
Max. manual outreach | 19.1 m |
Slewing angle | 400° |
Slewing torque | 2.3 mt |
Stabilizer spread (std) | 5.0 m |
Fitting space required (std) | 0.91 m |
Width folded | 2.50 m |
Max. operating pressure | 330 bar |
Pump capacity | 45 - 60 l/min |
Dead weight (std) | 2260 kg |
Cranes shown in the leaflet are partially optional equipped and do not always correspond to the standard version.
Country-specific regulations must be observed. Dimensions may vary. Subject to technical changes, errors and translation mistakes.
Lifting moment (ft_lbs) | Outreach | Slewing angle (°) | Slewing torque (ft_lbs) | Pressure (psi) | Pump capacity (gpm) | Crane Weight (lbs) | Crane Height (inch) | Crane Width (inch) | Installation Width (inch) | |
---|---|---|---|---|---|---|---|---|---|---|
A | 148317.5 | 26'11" | 400 | 16960.0 | 4785.0 | 11.9-15.9 | 4960.4 | 90.9 | 98.4 | 35.6 |
B | 144700.0 | 34'1" | 400 | 16960.0 | 4785.0 | 11.9-15.9 | 5313.1 | 90.9 | 98.4 | 35.6 |
C | 141806.0 | 41'4" | 400 | 16960.0 | 4785.0 | 11.9-15.9 | 5599.7 | 90.9 | 98.4 | 38.4 |
D | 139635.5 | 48'11" | 400 | 16960.0 | 4785.0 | 11.9-15.9 | 5820.2 | 90.9 | 98.4 | 38.4 |
Lifting moment (mt) | Outreach (m) | Slewing angle (°) | Slewing torque (mt) | Pressure (MPa) | Pump capacity (l/min) | Crane Weight (kg) | Crane Height (mm) | Crane Width (mm) | Installation Width (mm) | |
---|---|---|---|---|---|---|---|---|---|---|
A | 20.5 | 8.2 | 400 | 2.3 | 33.0 | 45-60 | 2250 | 2310 | 2500 | 905 |
B | 20.0 | 10.0 | 400 | 2.3 | 33.0 | 45-60 | 2410 | 2310 | 2500 | 905 |
C | 19.6 | 12.6 | 400 | 2.3 | 33.0 | 65-90 | 2540 | 2310 | 2500 | 975 |
D | 19.3 | 14.9 | 400 | 2.3 | 33.0 | 45-60 | 2640 | 2310 | 2500 | 975 |
The outreaches stated are with a boom angle of 20° and are therefore not the maximum. When using mechanical boom extensions, the loads shown on the charts need to be reduced by the weight of these extensions.
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