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 | 770,771/ ex. T 669.0 - 1 6axel diesel electric locomotive suitable for the factory railways for the very weighty shifting for the shifting in the railway stations and for the transport of the hard heavy trains. The version according to UIC, the opportunity of the design of the gauge up to 1520 mm.
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| Technical specification |
| Axle arrangement |
Co`Co` |
| Gauge |
1435 mm |
| Length over buffers |
17240 mm |
| Distance between bogie pivots |
8660 mm |
| Bogie wheelbase |
2000/2000 mm |
| Wheelbase total |
12600 mm |
| Diameter of driving wheels (new) |
1050 mm |
| Height over rails |
4630 mm |
| Maximal width |
3080 mm |
| Weight in servise |
114,6 t |
| Maximal axleload |
19,1 t |
| Maximal allowed speed |
90 km/h |
| Minimal negotiated curve radius according to UIC / 10 km/h |
120/90 m |
| Diesel engine model |
ČKD K 6 S 310 DR |
| Nominal output |
993 kW |
| Revolutions by full load |
750 ot./m |
| Number of cylinders |
6 |
Diameter of cylinders
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310 mm |
| Stroke of pistons |
360 mm |
| Power transmission |
electric |
| Main generator |
ČKD TD 802 B |
| Continuous output |
885kW/ 750 ot./m. |
| Traction motor / number |
ČKD TE 006 B / 6 |
| Continuous output of traction motor |
134 kW |
| Maximal tractive effort on starting |
250 kN |
| Continuous tractive effort |
193 kN |
| Turbocharger / number |
ČKD PDH 50 V / 1 |
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