The Re 450 is a push-pull electric locomotive passenger coach type which is used by Swiss Federal Railways on S-Bahn services in Zürich. They are also known as DPZ, short for double-decker push-pull train (German: Doppelstock-Pendelzugs),^[1] and is the first double decker train type operated by SBB-CFF-FFS, following successful trials of a French VO 2N bilevel train borrowed from SNCF in the early-1980s.

This article relies largely or entirely on a single source. (August 2016)

Quick Facts Type and origin, Power type ...

SBB-CFF-FFS Re 450
Two Re 450 locomotives in the Zürich Hauptbahnhof
Type and origin Power type Electric Builder SLM, ABB, SIG Build date 1989–1997 Total produced 115 Rebuild date 2011–2018
Specifications Configuration: ​  • UIC Bo′Bo′ Gauge 1,435 mm (4 ft 8+1⁄2 in) Length 18,400 mm (60 ft 4 in) Width 2,980 mm (9 ft 9 in) Height 4,500 mm (14 ft 9 in) Loco weight 74 tonnes (72.8 long tons; 81.6 short tons) Electric system/s 15 kV  16.7 Hz AC Catenary Current pickup(s) Pantograph Traction motors 4FRA 3435 Safety systems ETCS, Integra-Signum
Performance figures Maximum speed 130 km/h (81 mph)
Career Operators Swiss Federal Railways Numbers Re 450 000 – Re 450 114

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Under the old Swiss class system, they would have been known as Re 4/4^V. They are only found working with formations of three double-deck passenger carriages, the rear-most of which has a driving cab to allow push-pull working. At peak times trainsets may be coupled together to form a train consisting of three locomotives and nine passenger vehicles. Most S-Bahn lines use this stock and it is the most common on the network. ^[2]

All Re 450 coaches received a mid-life refurbishment at the SBB-CFF-FFS workshops at Yverdon-les-Bains between 2011 and 2018, in which all the old electronic equipment was replaced, as well as installed new LED lighting and new air-conditioning systems.

• List of stock used by Swiss Federal Railways