This mine excavator weights 116 tons and is powered by a 684 h.p. Cummins KTTA-19-C700 diesel. Hydraulic motors and epicyclic hub gearboxes are produced by Rextron. This machine has a comfortable cabin with an air conditioning unit.
EG-7 - a diesel-hydraulic mine excavator
Made by OJSC “Russian-Baltic Railroad Car Factory”
Features
Features of this mine excavator are listed in the following table:
| Feature | Value |
| Weight | 116 t |
| Scoop volume (for crushed bulk material weighing 2.5 tons per m3) | 4 m3 |
| Scoop volume (for crushed bulk material weighing 1.8 – 2.5 tons per m3) | 6 m3 |
| Scoop volume (for crushed bulk material weighing up top 1.8 tons per m3) | 8 m3 |
| Main drive power | 503 kW |
| movement speed | 0…0.3 kph |
| Acceptable terrain tilt | 0.8 |
| Traction force | 628 kN |
| Average ground pressure (tracks 710 mm wide) | 120 kPa |
| Average ground pressure (tracks 960 mm wide) | 160 kPa |
| Shovel configuration: | |
| Scoop drive breakout force | 670 kN |
| Feed force (scoop and arm drives combined) | 700 kN |
| Digging bucket configuration: | |
| Arm drive breakout force | 500 kN |
| Scoop drive breakout force | 450 kN |
Digging details
| Value | Digging bucket configuration | Shovel configuration |
| Digging depth (m) | 12.5 | 14.9 |
| Digging radius (m) | 11,4 | 15,54 |
| Maximum unloading height (m) | 10.2 | 10.03 |
| Maximum digging depth (m) | 3.4 | 8.67 |
| Arm length (m) | 5.0 | 8.8 |
| Arm + boom length (m) | 3.85 | 4.0 |
