Trolley locomotive 4КА
It is designed for transportation of rolling equipment across underground workings of mines and pits with a gradient up to0.005 and track bending radius minimum12 m, where the current safety regulations permit operation of trolley locomotives. Technical Specifications ofUkraine35.2-25103132-007:2006.
Technical characteristics
| Serial no. | Designation of basic parameters and dimensions | Unit of measure | Value |
| 1. | Adhesive weight | kg | 4000 |
| 2. | Nominal voltage at collector bow | V | 250+75/-50 |
| 3. | Speed in hours mode | km/h | 5,5 |
| 4. | Railway electric motor power in hours mode | kWt | 24 |
| 5. | Traction effort in hours mode | kN | 13 |
| 6. | Rail gage | mm | 600,750 |
| 7. | Length over buffers | mm | 3300 |
| 8. | Width over projected parts: | ||
| -for a track 600 | mm | 1050 | |
| -for a track 750 | 1200 | ||
| -for a track 900 | 1350 | ||
| 9. | Height over operator’s cabin | mm | 1515 |
| 10. | Rigid wheelset | mm | 900 |
| 11. | Clearance (ground clearance) | mm | 100 |
| 12. | Binding band outside diameter | mm | 540 |