Realization: 2009
Purchaser: Severočeské doly – Doly Bílina
The aim of the reconstruction was replacement of worn parts of the large-scale excavator that were heavily worn due to operation intensity and operation time.
Modernization of electrical parts, the bucket wheel boom, internal areas of the counterweight boom, and the bucket wheel drive was performed.
Main parameters
| bucket wheel diameter | 7.5 | m |
| number of buckets | 13 | |
| bucket volume | 365 | l |
| bucket wheel drive power | 500 | kW |
| limited digging thrust | 350 | kN |
| maximum high cut height: | ||
| on the level of ± 1:20 | 18.4 | m |
| slant 1:11 | ||
| down-slope | 18.7 | m |
| up-slope | 16.1 | m |
| maximum low cut depth: | ||
| on the level of ± 1:20 | -2.7 | m |
| slant 1:11 | ||
| down-slope | 0.1 | m |
| up-slope | 2.9 | m |
| nominal speed of bucket wheel drive motor | 993 | 1/min |
| adjustable | 50 to 120 % | |
| number of discharge chutes | 53 – 127 | 1/min |
| bucket wheel peripheral force nominal | 146 | kN |
| theoretical output | 1,500 | bulk m³ |
