| JŽ class 441 | |
|---|---|
| HŽ 1 141 301 | |
| Power type | Electric |
| Designer | ASEA |
| Builder | KONČAR Group |
| Build date | circa 1960 |
| Total produced | 80 130 for Romania |
| UIC classification | Bo'Bo' |
| Gauge | 1,435 mm (4 ft 8 1⁄2 in) |
| Length | 15,500 mm (50 ft 10 in) |
| Locomotive weight | 108 tonnes |
| Electric system | 25kV 50 Hz AC |
| Current collection method |
Pantograph |
| Top speed | 100, 120, 140, or 160 km/h |
| Class | JŽ class 441, HŽ 1141, ZRS 441, MŽ 441 TCDD E52500 CFR 040-EC (Class 43/44) |
| Nicknames | ASEA |
| Locale | Croatia, Bosnia and Herzegovina, Serbia, Macedonia, Turkey, Romania |
The JŽ class 441 is an electric locomotive built for Yugoslav Railways. The units are now used by Hrvatske željeznice (HŽ class 1141), Željeznice Federacije Bosne i Hercegovine, Željeznice Republike Srpske, Serbian Railways, Makedonski Železnici, Turkish State Railways and Romanian Railways-CFR.
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This series is originally based on the license of the Swedish company ASEA. It was produced in order to be used as a universal locomotive, for both passenger and freight traffic. There was a need to have a powerful electric locomotive to pull freight. At that time, this was mainly on the mainline tracks, which were electrified, and prepared for 160 km/h. Originally, it had diode voltage selector. A later, modernised series, the 3xx subseries, include thyristor voltage selector, and an on-board computer. Later 3xx series have an onboard look-behind-camera for video surveillance of the sides and also new livery.
This locomotive utilises 25 kV/50 Hz AC.
Depending on subseries, 1xx, 2xx or 3xx, some members of this class can drive with maximum speed 100, 120, 140 or 160 km (latest series), depending on the gearing. The models with higher maximum speed got less tractive power and are used for passenger or light freight trains only, whereas the models with lower maximum speed got high tractive power and are thus able to pull heavy freight trains as well.
In Croatia, there are three basic liveries. Standard one is the red with white stripe. There is also a very rear livery, in colors similar to Croatian flag. The third, newest livery is the HŽ official livery (grey with blue stripe) .
Starting with 1972, between Yugoslavia and Romania a convention was concluded for reciprocal delivery for locomotives. It also involved the Romanian companies Electroputere Craiova and UCM Reşiţa. Thus the Romanian party delivered to Yugoslavia a number of 103 Co’Co locomotives of the 461 JŽ series and sub-assemblies for 130 Bo’Bo locomotives of the 441 JŽ series, delivered to Romania and registered with CFR under the number 040-EC. The Yugoslavian locomotives derived directly from the already renowned prototype ASEA RB1 improved in the mechanical construction under the RC1 series pattern.[1][2]
Since the dissolution of SFRY, this locomotive is also exported. Some pieces are in the Republic of Macedonia, and some were leased to Turkish Railways (as TCDD E52500 class). Now, most of the former Republics which have been formed after the dissolving of Yugoslavia have some of this locomotives, inherited from former JŽ. This units have different designations, but very similar characteristics.
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