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| Bombardier TRAXX | |
|---|---|
| Name | TRAXX |
| Powertype | Electric and Diesel-electric |
| Builder | Bombardier Transportation |
| Builddate | 1997–present |
| Totalproduction | 1,800+ (approximate) |
| UICclass | Bo′Bo′ |
| Length | ~18,900 mm |
| Weight | 80–90 t |
| Tractionmotors | AC |
| Transmission | Electric |
Bombardier TRAXX is a family of modular electric and diesel-electric locomotives developed in the late 1990s by Bombardier Transportation for freight and passenger services across Europe and beyond. Combining modular design principles with standardized components, the TRAXX platform was intended to compete in liberalized rail markets alongside products from Siemens, Alstom, and Stadler, serving operators such as DB, SNCF, ÖBB, and PKP. The platform's adaptability has led to widespread adoption on multiple electrification systems and cross-border routes linking hubs like Rotterdam, Hamburg, Basel, and Warsaw.
The TRAXX programme originated at Bombardier Transportation's design and engineering centres in Le Creusot, Czestochowa, and Vaihingen an der Enz during the 1990s, influenced by regulatory changes following the European Union's rail market liberalisation and the implementation of the First Railway Package. Early design goals targeted interoperability with systems such as ETCS, TPWS, and national train control systems used by Deutsche Bahn, SNCB/NMBS, and SBB CFF FFS. Design teams incorporated lessons from predecessors like Adtranz products and collaborated with suppliers including Siemens, ABB, and Alstom for traction converters, braking systems, and bogies. The Bo′Bo′ wheel arrangement, modular cooling, and standardized driver cabs facilitated quick configuration for customers such as Green Cargo, CFL, PKP Intercity, and HSL Logistik.
The TRAXX family includes electric multisystem variants, single-system AC units, and diesel-electric versions, commonly designated by suffixes reflecting voltage capability and gauge. Key technical specifications span maximum speeds from 140 km/h to 160 km/h, continuous power outputs around 5.6 MW for AC units, and diesel powerpacks for non-electrified sections. Subtypes were tailored for services operated by DB Cargo, SNCF Fret, ÖBB Rail Cargo Group, Mercitalia, SBB Cargo, Banedanmark, and PKP Cargo. Onboard equipment options supported ETCS Level 2, national systems such as PZB, LZB, ASFA, and KVB, and radio solutions from GSM-R integrators. Bogie designs incorporated technologies from firms like Balfour Beatty and Faiveley, while braking and auxiliary systems referenced standards used by Network Rail, ProRail, and Infrabel.
Main manufacturing occurred at Bombardier plants in Vado Ligure, Siegen, Le Creusot, Hennigsdorf, and Wrocław. Subcontractors and component suppliers included GE Transportation, ABB, Alstom, and Knorr-Bremse. Production ramp-ups were driven by orders from Deutsche Bahn Regio, DB Fernverkehr, and international tenders from operators such as CFL Cargo, RegioJet, and TransPennine Express. Licensing, local assembly, and refurbishment contracts involved entities like Stadler Rail and national workshops of SBB CFF FFS and PKP. The platform’s modularity allowed for mid-life overhauls at depots in Munich, Zurich, Vienna, and Warsaw.
TRAXX locomotives operate across Western, Central, and Eastern Europe and on cross-border corridors to and from ports such as Rotterdam, Antwerp, Hamburg, and Genoa. Major operators include DB Cargo, SBB Cargo, ÖBB, PKP Cargo, CFL, BLS Cargo, Mercitalia Rail, Lineas, SNCF Voyageurs, and private hauliers like TX Logistik and Captrain. National passenger deployment involved operators such as HSL Logistik and Nationale Metrorail (example regionals), with international freight flows linking markets via corridors overseen by infrastructure managers Network Rail, ProRail, Bane NOR, and Banedanmark. Lease companies like MRCE and CFL Leasing facilitated multinational use under traffic authorities including ProRail and port operators like Port of Antwerp-Bruges.
Operators reported TRAXX performance characterized by modular maintainability, comparability with contemporaries from Siemens and Alstom, and suitability for heavy freight and intermodal services on routes used by DB Cargo and SBB Cargo. Reliability improvements over time came from software updates, traction converter enhancements from suppliers such as ABB and GE, and vibration-reduction measures informed by studies at TU Berlin and RWTH Aachen University. Upgrades included retrofitting ETCS equipment for interoperability projects supported by the European Union Agency for Railways and power system adaptations for operations in countries like Switzerland, Italy, Poland, and Sweden. Life-extension programmes were performed by workshops of Bombardier Transportation and third-party firms like Stadler and Alstom.
TRAXX locomotives have been involved in a range of accidents and incidents, investigated by national safety authorities including RAIB, BEA-Rail, SEI (Swiss office), and UTK (Poland). Notable investigations referenced operational contexts involving Deutsche Bahn freight workings, cross-border services to Basel and Chiasso, and shunting movements in terminals such as Hamburg Hauptbahnhof and Rotterdam Maasvlakte. Incident reports often highlighted human factors, signalling compatibility issues with systems like PZB and ASFA, and rare technical failures addressed through recalls and software patches distributed by Bombardier and suppliers such as Knorr-Bremse.
The TRAXX family influenced European locomotive procurement strategies, intensifying competition among manufacturers like Siemens Mobility, Alstom Transport, Stadler Rail, and CAF. Its modular approach informed subsequent platforms including Siemens' offerings and prompted interoperability emphasis in EU policy frameworks like the Fourth Railway Package. TRAXX units contributed to modal shift campaigns supported by national ministries in Germany, France, Italy, and Poland and underpinned growth in private rail freight operators such as Lineas and TX Logistik. The platform’s extensive service record, leasing market presence via companies like MRCE and CFL Leasing, and mid-life upgrade pathways have cemented its role in modern European traction fleets.
Category:Electric locomotives Category:Diesel locomotives Category:Bombardier Transportation products