QTZ40 tower crane is a self-erecting top slewing, horizontal boom, the car horns, hydraulic jack-up tower crane. The max lifting moment is 400kn.m, independent install height is 29m, add attachment hoisting head reachable 120m,the max lifting weight is 4t, the wore range is 40m. This machine use in top hotel, residential building, high-rise industrial building, large span industrial workshop, chimney stalk and warehouse tower type building's large construction projects in wide range.
Tower Crane Model:QTZ40(5008)
Free Standing Height/Max. Height:29m/120m
Jib Length:3---50m
Mast Section/Material:∠160×160×12 angle steel/Q345B
Size of Mast Section, LXWXH:1500×1500×2200
Anchors Situation:Distance between first collar tie and the ground 22400mm
Other distance 16500mm
Suspension Height no more than 20m
Balanced Weight/Jib Length:8.54t/50m;7.1t/44m
Total Power:25.9Kw
Loading Chart:
2 Falls
| Jib length (m) | 3-21.4 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 |
| Load (t) | 2 | 1.94 | 1.85 | 1.77 | 1.69 | 1.62 | 1.56 | 1.50 | 1.45 | 1.39 |
| Jib length (m) | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 |
| Load (t) | 1.35 | 1.30 | 1.26 | 1.22 | 1.18 | 1.14 | 1.11 | 1.08 | 1.05 | 1.02 |
| Jib length (m) | 41 | 42 | 43 | 44 | 45 | 46 | 47 | 48 | 49 | 50 |
| Load (t) | 0.99 | 0.97 | 0.94 | 0.92 | 0.89 | 0.87 | 0.85 | 0.83 | 0.81 | 0.80 |
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4 Falls
| Jib length (m) | 3-10.966 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |
| Load (t) | 4 | 3.98 | 3.64 | 3.36 | 3.10 | 2.89 | 2.70 | 2.54 | 2.39 | 2.26 | 2.14 |
| Jib length (m) | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 | 31 |
| Load (t) | 2.04 | 1.94 | 1.85 | 1.77 | 1.69 | 1.62 | 1.56 | 1.50 | 1.45 | 1.39 | 1.35 |
| Jib length (m) | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 |
| Load (t) | 1.30 | 1.26 | 1.22 | 1.18 | 1.14 | 1.11 | 1.08 | 1.05 | 1.02 | 0.99 | 0.97 |
| Jib length (m) | 43 | 44 | 45 | 46 | 47 | 48 | 49 | 50 |
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| Load (t) | 0.94 | 0.92 | 0.89 | 0.87 | 0.85 | 0.83 | 0.81 | 0.80 |
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Basic Parameter:
Hoisting
Mechanism | Motor | Model |
| YZD200L1-4/8/24 |
| Power | kW | 15 | 13 | 3.5 |
| Reducer | Total Drive Ratio | i | 12.64 |
| Drum | Rope Capacity | m | 280 |
| Brake | Model |
| YWZ-250-40 |
| Brake Moment of Force | N·m | 600 |
| Wire steel Rope | Rope Max. Attraction | N | 16500 |
| Specification |
| 6×37-11-1770-I |
| Lifting Speed | 2 Time Multiplying Power | m/min | 62 | 31 | 7.7 |
| 4 Time Multiplying Power | 31 | 15 | 3.8 |
Swing Mechanism
| Motor | Model |
| YZR132M-6 |
| Power | kW | 3.7 |
| Reducer | Model |
| XX4-100.180 |
| Drive Ratio | i | 180 |
| Coupler | Model |
| YOX.280 |
| Rotating Speed |
| r/min | 0.6 |
| Trolleying Mechanism | Motor | Model | YEZS112M-4/6 |
| Power | kW | 2.2 | 1.5 |
| Reducer | Type |
| Grade One |
| Drive Ratio |
| 38 |
| Wire steel Rope | Specification | 6×19-6.2-1770-1 |
| Rope Max. Attraction | N | 5600 |
| Trolleying speed |
| m/min | 22/33 |
| Hydraulic Jacking Mechanism | Hydraulic pump station | Model |
| YQY Series |
| Working Pressure | MPa | 20 |
| Oil Cylinder | Model |
| 20.5 |
| Jacking Speed | m/min | 0.4 |
| Max. jacking Force | t | 50 |
| Motor | Model |
| Y132M-4 |
| Power | KW | 5.5 |
| Jacking Speed | r/min | 1440 |
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Audited Supplier 
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