With the delivery of the first three units to Czech freight operator SD - Kolejová Doprava (SD-KD), we got to know the 753.6 series for the first time. The 753.6 is an extensive modernization of the Czechoslovakian 749 to 754 series. Apart from the frame and bogies, the greatest part of the original components are replaced by new ones. For instance, a new Caterpillar 3512C engine is used in combination with a traction alternator delivered by Siemens. Its 1550 kW power output makes the 753.6 a flexible medium power diesel locomotive.
The 753.6 series is a universal locomotive and is therefore suitable for both passenger and freight services. According to manufacturer CZ LOKO its interoperability covers four Central-European countries: the Czech Republic, Hungary, Poland and Slovakia.
Demonstrators
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| 753 604-8 | |
| In service: 2013-2015 |
Fleet Overview
Technical Details
| Dimensions | |
| Total length | 16660 mm |
| Total height | 4450 mm |
| Total width | ? mm |
| Axle characteristics | |
| Wheel diameter | 1000 mm |
| Axle arrangement | Bo'Bo' |
| Track gauge | 1435 mm |
| Weight | |
| Total weight | 75 ton |
| Axle load | 18.75 ton |
| Traction performance | |
| Top speed | 100 km/h |
| Maximum tractive effort | 202 kN |
| Propulsion characteristics | |
| Fuel tank capacity | 5500 L |
| Number of traction motors | 4 |
| Traction motor | Axle-hung |
| Diesel engine manufacturer | Caterpillar |
| Diesel engine type | 3512C |
| Power rating | 1550 kW |
| Number of cylinders | 12 |
| Emission standards | EU 97/68 Stage IIIA |
| Manufacturer electrical equipment | Siemens |
| Electrical transmission | AC / DC |
