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SBB Re 420: Standards & Companies

The Re 420, originally and still widely called Re 4/4II, are a series of versatile standard gauge electric locomotives of Swiss Federal Railways (SBB CFF FFS), but are also used by BLS AG (BLS Re 420.5) and private companies (previously also by the Swiss Südostbahn, SOB). They were produced over a period of 21 years, from 1964 to 1985, and are currently…

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SBB Re 420 topic overview

The analysis highlights Standards and Companies as prominent areas in the source structure around SBB Re 420.

Related topics: 87
Source areas: 6
Connected nodes: 93
Extracted relationships: 40
Concept neighborhoods: 31
Bridge connections: 93

What this topic covers Research coverage

Source areas are shown by the number of related topics found in each part of the analysis. Use smaller areas too: they can reveal specialized angles and content gaps.

Operations · 48 topics

Overview · 11 topics

Re 430 subseries · 10 topics

Stock · 9 topics

Accidents · 5 topics

Gallery · 4 topics

Smaller areas are not necessarily less important. They contain fewer connections in this analysis and can be useful for finding specialized angles or coverage gaps.

Key facts & relationships

High-confidence facts extracted from structured source data. Use them as anchors for further research.

Brakeforce: 135 kN (30,000 lbf)
Build date: 1964, 1967–1985
Builder: SLM Winterthur BBC Baden MFO Zürich SAAS Geneva
Career: CareerOperatorsSBB, BLS, SOB, RM, MBC, MThB, Travys, CR, WRSClassRe 4/4II, later Re 420 and Re 421 Re 4/4III, later Re 430 (Re 436)NumbersRe 4/4II: 11101–11349, 11371–11397 (lat…
Class: Re 4/4II, later Re 420 and Re 421 Re 4/4III, later Re 430 (Re 436)
Configuration:

Suggested research paths

A focused starting point derived from the topic graph, ranked independently of the source article order.

Start with these areas

Explore all related topics Closing gaps

Browse the complete topic structure, not only the most central items. Less prominent entities and concepts can reveal missing angles, specialized context and useful research gaps. Each item opens a new analysis centered on that subject.

Overview

Standard gauge
Electric locomotives
Swiss Federal Railways
BLS AG
Südostbahn
Freight operations Rail freight transport
Push-pull Push-pull train
Passenger train
Switzerland
Zurich S-Bahn
Traction Traction (mechanics)

Operations

Axle
Re 620 SBB Re 620
SBB Cargo
Widmer Rail Service AG Widmer Rail Service AG?action=edit&redlink=1
EMUs Electric multiple unit
Commuter rail
EuroCity
Transalpin
Gotthard Panorama Express
Re 460 SBB Re 460
DPZ double-deck cars SBB Re 450
Swiss Express Swiss Express?action=edit&redlink=1
De Swiss Express (Zug)
Geneva
Lausanne
Bern
Zurich
St. Gallen
Rorschach Rorschach, Switzerland
Couplings Railway coupling
UIC International Union of Railways
Swiss coat of arms Coat of arms of Switzerland
Buffers Buffer (rail transport)
SBB Historic
Olten
ICN SBB RABDe 500
Shunting locomotive Shunting (rail)
Yverdon-les-Bains
Acronym
German German language
S19 S19 (ZVV)
S21 S21 (ZVV)
S23 S23 (ZVV)
Pantograph Pantograph (rail)
Deutsche Bahn
Austrian Federal Railways
Bregenz
Lindau
Germany Rail transport in Germany
Austria Rail transport in Austria
PZB/Indusi Punktförmige Zugbeeinflussung
Lindau-Reutin station
Electrification Railway electrification
Line to Munich Munich–Buchloe railway
Zürich HB Zürich HB railway station
Munich Central Station München Hauptbahnhof
New Pendolino
ECE EuroCity-Express

Re 430 subseries

Former Südostbahn Schweizerische Südostbahn (1890)
New classification scheme Swiss locomotive and railcar classification
Gotthard route Gotthard Railway
SOB Re 446 SOB Re 446?action=edit&redlink=1
Voralpen Express
SOB Re 456 SOB Re 456?action=edit&redlink=1
Traverso SOB Traverso
Regionalverkehr Mittelland
Crossrail AG Crossrail AG?action=edit&redlink=1
Widmer Rail Services AG Widmer Rail Services AG?action=edit&redlink=1

Stock

Prototypes Prototype
MThB Mittelthurgaubahn
Coat of arms
Porrentruy
Cham Cham, Switzerland
SBB Ae 6/6
Canton of Jura
Erstfeld
RABe 501 SBB RABe 501

Accidents

Zurich Oerlikon Zurich Oerlikon railway station
S11 S11 (ZVV)
Thurbo
S33 S33 (ZVV)
Neuhausen railway station

Gallery

Air conditioning
Freight train
Re 620 SBB-CFF-FFS Re 620
Gotthard route Gotthardbahn

Advanced semantic analysis

Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.

How SBB Re 420 connects Entity context

The extracted context around SBB Re 420 shows recurring relationship patterns in the source. For example, SBB Re 420 → AarbergSBB Re, Geneva, GermanyRe, Gotthard, Interregio Cargo, LION, Pine, Re, SBB, SBB Cargo, UIC, Zurich S-Bahn Another extracted example is SBB Re 420 → 135 kN (30,000 lbf). Use these groups to spot repeated connection types before inspecting the individual relationships.

SBB Re 420

Top relations

related to Gallery · 12

SBB Re 420 → AarbergSBB Re, Geneva, GermanyRe, Gotthard, Interregio Cargo, LION, Pine, Re, SBB, SBB Cargo, UIC, Zurich S-Bahn

Brakeforce · 1

SBB Re 420 → 135 kN (30,000 lbf)

Build date · 1

SBB Re 420 → 1964, 1967–1985

Builder · 1

SBB Re 420 → SLM Winterthur BBC Baden MFO Zürich SAAS Geneva

Career · 1

SBB Re 420 → CareerOperatorsSBB, BLS, SOB, RM, MBC, MThB, Travys, CR, WRSClassRe 4/4II, later Re 420 and Re 421 Re 4/4III, later Re 430 (Re 436)NumbersRe 4/4II: 11101–11349, 11371–11397 (lat…

Class · 1

SBB Re 420 → Re 4/4II, later Re 420 and Re 421 Re 4/4III, later Re 430 (Re 436)

Configuration: · 1

SBB Re 420 →

Current pickup · 1

SBB Re 420 → Pantograph

Disposition · 1

SBB Re 420 → see tables

Electric system/s · 1

SBB Re 420 → 15 kV 16+2⁄3 Hz AC Catenary

Important terminology

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

re locomotives 420 4ii sbb swiss locomotive services zurich 4iii passenger also later used 430 express federal railways sob s-bahn

SBB Re 420 relationships Subject–Predicate–Object triples

TTTA extracted 40 structured relationships around SBB Re 420. Examples in this analysis include SBB Re 420 → Brakeforce → 135 kN (30,000 lbf) and SBB Re 420 → Build date → 1964, 1967–1985. The table shows each extracted connection, where it came from and its confidence.

Subject	Predicate	Object	Confidence	Src
SBB Re 420	Brakeforce	135 kN (30,000 lbf)	1.00	infobox
SBB Re 420	Build date	1964, 1967–1985	1.00	infobox
SBB Re 420	Builder	SLM Winterthur BBC Baden MFO Zürich SAAS Geneva	1.00	infobox
SBB Re 420	Career	CareerOperatorsSBB, BLS, SOB, RM, MBC, MThB, Travys, CR, WRSClassRe 4/4II, later Re 420 and Re 421 Re 4/4III, later Re 430 (Re 436)NumbersRe 4/4II: 11101–11349, 11371–11397 (lat…	1.00	infobox
SBB Re 420	Class	Re 4/4II, later Re 420 and Re 421 Re 4/4III, later Re 430 (Re 436)	1.00	infobox
SBB Re 420	Configuration:		1.00	infobox
SBB Re 420	Current pickup	Pantograph	1.00	infobox
SBB Re 420	Disposition	see tables	1.00	infobox
SBB Re 420	Electric system/s	15 kV 16+2⁄3 Hz AC Catenary	1.00	infobox
SBB Re 420	Gauge	1,435 mm / .mw-parser-output .frac{white-space:nowrap}.mw-parser-output .frac .num,.mw-parser-output .frac .den{font-size:80%;line-height:0;vertical-align:super}.mw-parser-outpu…	1.00	infobox
SBB Re 420	Height	4,500 mm (14 ft 9+1⁄8 in)	1.00	infobox
SBB Re 420	Length	15,410 mm (50 ft 6+3⁄4 in) over buffers	1.00	infobox
SBB Re 420	Loco brake	Air and Dynamic	1.00	infobox
SBB Re 420	Loco weight	80–85 tonnes (79–84 long tons; 88–94 short tons)	1.00	infobox
SBB Re 420	Maximum speed	140 km/h (87 mph) Re 4/4II 125 km/h (78 mph) Re 4/4III	1.00	infobox
SBB Re 420	Nicknames	Bo'Bo'	1.00	infobox
SBB Re 420	Numbers	Re 4/4II: 11101–11349, 11371–11397 (later SBB 420 101–349, 421 371–397, partly BLS, MBC, MThB, Travys and SOB); BLS 420 501–512 Re 4/4III: 11350–11370 (later SBB 430 350–370), W…	1.00	infobox
SBB Re 420	Operators	SBB, BLS, SOB, RM, MBC, MThB, Travys, CR, WRS	1.00	infobox
SBB Re 420	Performance figures	Performance figuresMaximum speed140 km/h (87 mph) Re 4/4II 125 km/h (78 mph) Re 4/4IIIPower output4,700 kW (6,300 hp)Tractive effortContinuous: 150 kN (34,000 lbf) @105 km/h (65…	1.00	infobox
SBB Re 420	Power output	4,700 kW (6,300 hp)	1.00	infobox
SBB Re 420	Power type	Electric	1.00	infobox
SBB Re 420	Specifications	SpecificationsConfiguration: • AARB-B • UICBo′Bo′Gauge1,435 mm / .mw-parser-output .frac{white-space:nowrap}.mw-parser-output .frac .num,.mw-parser-output .frac .den{font-size…	1.00	infobox
SBB Re 420	Total produced	277 Re 4/4II 26 Re 4/4III	1.00	infobox
SBB Re 420	Tractive effort	Continuous: 150 kN (34,000 lbf) @105 km/h (65 mph), Maximum: 255 kN (57,000 lbf)	1.00	infobox
SBB Re 420	Type and origin	Type and originPower typeElectricBuilderSLM Winterthur BBC Baden MFO Zürich SAAS GenevaBuild date1964, 1967–1985Total produced277 Re 4/4II 26 Re 4/4III	1.00	infobox
SBB Re 420	Width	2,970 mm (9 ft 8+7⁄8 in)	1.00	infobox
SBB Re 420	• AAR	B-B	1.00	infobox
SBB Re 420	• UIC	Bo′Bo′	1.00	infobox

Related concept clusters Concept neighborhoods

The concept neighborhoods around SBB Re 420 bring nearby vocabulary together. In this analysis, examples include 4ii, Cargo and Locomotives. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

SBB Re 420
- 4ii
- Cargo
- Locomotives
- Sob
- Sbb
- Freight
- 4iii
- Since
- Total
- Swiss
- Federal
- Railways
sbb re 420
- 4ii
- Cargo
- Locomotives
- Sob
- Sbb
- Freight
- 4iii
- Zurich
- Since
- Total
- Swiss
- Services
electric locomotives
- Re
- Sbb
- Bls
- Sob
- Also
- Later
- Passenger
- Swiss
- Cargo
- Series
- Services
- Uic
swiss federal railways
- Railways
- Express
- Swiss
- Used
- Also
- Uic
- Locomotive
- Series
- Zurich
- Re
- Freight
- Lion
bls ag
- Rail
- Total
- Cargo
- Service
- Later
- Sbb
- Locomotives
- Sob
- Used
- Services
- Still
- Swiss
freight operations
- Cargo
- Used
- Uic
- Lion
- Operations
- Service
- Train
- Services
- Sbb
- S-bahn
- Zurich
- Passenger
zurich s-bahn
- S-bahn
- Zurich
- Train
- Lion
- Services
- Passenger
- Used
- Uic
- Express
- Service
- 4ii
- Freight
re 620
- 4ii
- Locomotives
- Sbb
- 4iii
- Sob
- Zurich
- Services
- Locomotive
- Swiss
- Federal
- Railways
- S-bahn

Connections between topic areas Semantic bridges

For SBB Re 420, one of the stronger structural bridges in this analysis connects SBB Re 420 with Operations. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.

Min side: 3

SBB Re 420 — Operations · splits 45 ⟂ 49

SBB Re 420 — Overview · splits 82 ⟂ 12

SBB Re 420 — Re 430 subseries · splits 83 ⟂ 11

SBB Re 420 — Stock · splits 84 ⟂ 10

SBB Re 420 — Accidents · splits 88 ⟂ 6

SBB Re 420 — Gallery · splits 89 ⟂ 5

Map overview Semantic statistics

SBB Re 420

Nodes94

Edges93

Triples40

Avg. degree1.98

Density0.021277

Components1

Source & methodology

TTTA analyzes the structure around SBB Re 420 to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as Standards & Companies, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.

Source: Wikipedia — SBB Re 420 · EN edition · Analysis: TopicsToTalkAbout

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