description SBB Re 4/4 II Overview
The SBB Re 4/4 II is a classic Swiss electric locomotive built by SLM for use on the nation’s railways. Notable for its mixed-traffic capability – able to operate both passenger and freight services – it remains a vital part of Switzerland's infrastructure. Primarily used by the Schweizerische Bundesbahnen (SBB), it serves railway operations throughout the country.
help SBB Re 4/4 II FAQ
What does Re 4/4 II stand for in Swiss locomotive naming?
In the Swiss locomotive classification system, Re indicates a fast passenger locomotive with a narrow gauge, while the 4/4 denotes that it has four driving axles. The II distinguishes it from the earlier, mechanically distinct Re 4/4 I class.
Why is the SBB Re 4/4 II considered a universal locomotive?
The Re 4/4 II is considered universal, or mixed-traffic, because its robust design and high power output allowed it to pull heavy freight trains as well as fast passenger services. It quickly became the primary workhorse of the Swiss Federal Railways (SBB) upon its introduction in the 1960s.
How many Re 4/4 II locomotives were built?
A massive fleet of 276 SBB Re 4/4 II locomotives were built by a consortium of Swiss companies including SLM, BBC, MFO, and SAAS. Production ran from 1964 until 1985, reflecting the design's immense success and reliability.
What is replacing the SBB Re 4/4 II?
The Re 4/4 II is gradually being replaced by the more modern Re 460 (known as the Lok 2000) and the Bombardier TRAXX family of locomotives. Despite this, dozens of Re 4/4 IIs remain in active service across Switzerland and various private railways today.
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