Electric shovels/mining excavators
The electric shovels/mining excavators supplied by our company are widely used in the mining and stripping of open-pit mines such as metallurgy and coal, as well as earthwork in the petroleum, chemical, hydropower, and building materials industries.
Technical parameters of mining excavator
| Main performance parameters | WK- 4C | WP-6 | WK- 8 | WK- 10B | WK- 12C | WK- 20 | WK- 27 | WK- 35 | WK- 55 | WK-75 |
Standard bucket volume（m3） | 4-5 | 6 | 8 | 10- 14 | 12 | 20 | 27 | 35 | 55 | 75 |
| lifting speed（m/s） | 0.855 | 22m | 1 | 1 | 1.50 | 1.58 | 0.67-1.23 | 0.82-1.60 | 1.58 | 0.92～1.84 |
| Push pressure speed（m/s） | 0.53 | 13.2 | 0.55 | 0.65 | 0.58 | 0.54 | 0.52-0.63 | 0.58-0.65 | 0.75 | 0.68～0.75 |
| Walking speed（km/h） | 0.43 | 0.69 | 0.7 | 0.69 | 0.89 | 1.08 | 0.85-1.73 | 0.76-1.08 | 1.60 | 0.8～ 1.6 |
| Maximumlifting power (kN) | 480 | 686 | 931 | 1029 | 1110 | 1540 | 2150 | 2150 | 2890 | 4219 |
| Maximum push pressure (kN) | 230 | 392 | 412 | 617 | 541 | 745 | 790 | 850 | 1127 | 1354 |
| Maximum climbing angle (degrees) | 12 | 12 | 13 | 13 | 13 | 13 | 12 | 12 | 13 | 13 |
| Average specific pressure（kPa） | 243 | 255 | 245 | 225 | 307.1/ 326.4 | |||||
| Main motor power（kW) | 250 | 750 | 500 | 750 | 2x350kW/690VAC | 2x560kW/690VAC | 2x 1000 kW/ 690VAC | |||
Max. digging radius (m) | 14.3 | 24.25 | 17.4 | 18.9 | 18.90 | 21.02 | 23.40 | 24 | 23.85 | |
| Max. digging height (m) | 10.1 | 23.4 | 12.7 | 13.63 | 13.53 | 13.58 | 16.30 | 16.2 | 18.10 | |
| Maximum unloading radius (m) | 12.65 | 21.1 | 14.2 | 16.35 | 16.25 | 17.50 | 21.00 | 20.9 | 20.40 | |
| Max. unloading height (m) | 6.3 | 17.7 | 8.05 | 8.45 | 8.60 | 9.07 | 9.90 | 9.4 | 10.06 | |
| Digging depth (m) | 3.2 | 3.6 | 3.4 | 2.20 | 1.64 | 4.55 | 4.45 | 1.93 | ||
| Working weight (t) | 202 | 498 | 340 | 459 | 490 | 731 | 907/915 | 1020/1035 | 1460 | 1988 |
| Theoretical productivity (m3/h) | 572 | 640 | 1100 | 1490 | 1490 | 2400 | 3030 | 4200 | 6600 | 9519 t/h |
Technical parameters of mining excavator