Technical Sheet for TC7021
| Free standing height (m) | 50 |
| Max height with attachment (m) | 200 |
| Working range can be adjusted（m） | 40、45、50、55、60、65、70 |
| Min working range（m） | 2.5 |
| Max lifting capacity（t） | 12 |
| Tip load @ 70m（t） | 2.1 |
| Hoist mechanism (VFD+PLC) | Falls | 2 | 4 |
| Lifting capacity（t） | 0－3 | 0－6 | 0－6 | 0－12 |
| Speed（m/min） | 0－80 | 0－40 | 0－40 | 0－20 |
| Motor | YZPBF250-4-55KW |
| Trolleying mechanism (VFD+PLC) | Speed（m/min） | 0-56 |
| Motor | YPBE132M-4-7.5KW |
| Slewing mechanism (VFD+PLC) | Speed（r/min） | 0-0.6 |
| Motor | YLEW112M-6-120N.M×2 |
| Climbing speed（m/min） | 0.5 |
| Counterweight（t） | 23.6 |
| Mast section size（L×W×H）m | 2×2×3 |
| Working temperature | -40－+60℃ |
| Total power (KW) | 95 |
| Power supply requirement (KVA) | 255KVA for generator |
| Cable type ( within 30 meters from site power source to lower
electric box of tower crane ) | 50mm2（3+2, 5 cores） |
| Startup voltage & current | 380V×95%=361V 260A |
| Rated working voltage & current | 380V 146A |
Loading diagram：
70m jib length：
| R |
| 18 | 22 | 24.5 | 27.7 | 28.3 | 30 | 32 | 35 | 37 | 40 |
| a=2 (t) | 6t--31.8m | 5.96 | 5.35 | 5.00 | 4.54 |
| a=4 (t) | 12t--17.8m | 11.29 | 8.99 | 7.94 | 6.86 | 6.69 | 6.23 | 5.76 | 5.15 | 4.80 | 4.34 |
| R | 42 | 45 | 47 | 50 | 52 | 55 | 57 | 60 | 62 | 65 | 67 | 70 |
| a=2 (t) | 4.27 | 3.91 | 3.69 | 3.40 | 3.23 | 2.99 | 2.84 | 2.64 | 2.52 | 2.35 | 2.25 | 2.10 |
| a=4 (t) | 4.07 | 3.71 | 3.49 | 3.20 | 3.03 | 2.79 | 2.64 | 2.44 | 2.32 | 2.15 | 2.05 | 1.90 |
65m jib length：
| R |
| 20 | 22 | 25 | 27.7 | 30 | 31.8 | 32.4 | 35 | 35.9 | 37 |
| a=2 (t) | 6t--35.9m | 5.79 |
| a=4 (t) | 12t--19.23m | 11.49 | 10.32 | 8.92 | 7.92 | 7.21 | 6.72 | 6.57 | 5.99 | 5.80 | 5.59 |
| R | 40 | 42 | 45 | 47 | 50 | 52 | 55 | 57 | 60 | 62 | 65 |
|
| a=2 (t) | 5.27 | 4.96 | 4.56 | 4.31 | 3.99 | 3.79 | 3.52 | 3.35 | 3.13 | 2.99 | 2.80 |
|
| a=4 (t) | 5.07 | 4.76 | 4.36 | 4.11 | 3.79 | 3.59 | 3.32 | 3.15 | 2.93 | 2.79 | 2.60 |
|
60m jib length：
| R |
| 22 | 25 | 27 | 30.6 | 31.8 | 32.4 | 35 | 37 | 40 |
| a=2 (t) | 6t--39.85m | 5.98 |
| a=4 (t) | 12t--21.35m | 11.60 | 10.05 | 9.21 | 7.96 | 7.61 | 7.45 | 6.79 | 6.35 | 5.78 |
| R | 42 | 45 | 47 | 50 | 52 | 55 | 57 | 60 |
|
|
|
| a=2 (t) | 5.64 | 5.18 | 4.91 | 4.55 | 4.33 | 4.03 | 3.85 | 3.60 |
|
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| a=4 (t) | 5.44 | 4.98 | 4.71 | 4.35 | 4.13 | 3.83 | 3.65 | 3.40 |
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55m jib length：
| R |
| 23 | 25 | 27 | 29 | 32.8 | 33.7 | 34.3 | 35 | 37 | 39 |
| a=2 (t) | 6t--42.70m |
| a=4 (t) | 12t--22.87m | 11.92 | 10.86 | 9.96 | 9.18 | 7.96 | 7.71 | 7.55 | 7.37 | 6.90 | 6.48 |
| R | 41 | 43 | 45 | 47 | 49 | 51 | 53 | 55 |
|
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| a=2 (t) | 6t--42.70m | 5.95 | 5.63 | 5.34 | 5.08 | 4.84 | 4.61 | 4.40 |
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| a=4 (t) | 6.10 | 5.75 | 5.43 | 5.14 | 4.88 | 4.64 | 4.41 | 4.20 |
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50m jib length：
| R |
| 25 | 27 | 29 | 31 | 33.6 | 34.9 | 35.6 | 37 |
|
| a=2 (t) | 6t--43.75m |
| a=4 (t) | 12t--23.42m | 11.16 | 10.23 | 9.43 | 8.74 | 7.96 | 7.61 | 7.44 | 7.10 |
|
| R | 39 | 41 | 43 | 45 |
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| a=2 (t) | 6t--43.75m | 5.80 |
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| a=4 (t) | 6.67 | 6.28 | 5.92 | 5.60 |
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| R |
| 24 | 26 | 28 | 30 | 33.1 | 34.7 | 35.4 | 38 |
|
| a=2 (t) | 6t--43m |
| a=4 (t) | 12t--23.04m | 11.46 | 10.48 | 9.63 | 8.90 | 7.94 | 7.51 | 7.34 | 6.74 |
|
| R | 40 | 42 | 44 | 46 | 48 | 50 |
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| a=2 (t) | 6t--43m | 5.84 | 5.53 | 5.26 | 5.00 |
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| a=4 (t) | 6.34 | 5.97 | 5.64 | 5.33 | 5.06 | 4.80 |
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45m jib length：40m jib length：
| R |
| 24 | 26 | 28 | 30 | 32 | 34.1 | 35.1 | 35.8 | 38 | 40 |
| a=2 (t) | 6t--40m |
| a=4 (t) | 12t--23.8m | 11.90 | 10.88 | 10.01 | 9.25 | 8.59 | 7.98 | 7.71 | 7.53 | 7.02 | 6.60 |
