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EMC E4: Measurement, Companies & Products

The EMC E4 was a 2,000 horsepower (1,500 kW), A1A-A1A passenger train-hauling diesel locomotive built by the Electro-Motive Corporation of La Grange, Illinois. All were built for the Seaboard Air Line Railway. The E4 was the fifth model in a long line of passenger diesels of similar design known as EMD E-units.

Language: English [EN]
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EMC E4 topic overview

The analysis highlights Measurement, Companies and Products as prominent areas in the source structure around EMC E4.

Related topics
18
Source areas
1
Connected nodes
19
Extracted relationships
42
Concept neighborhoods
9
Bridge connections
19

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.

Overview · 18 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.

Build date
October, 1938 – December, 1939
Builder
Electro-Motive Corporation (EMC)
Career
CareerOperatorsSeaboard Air LineRetired1964DispositionAll scrapped
Configuration:
​
Cylinders
12 × 2
Disposition
All scrapped

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

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 EMC E4 connects Entity context

The extracted context around EMC E4 shows recurring relationship patterns in the source. For example, EMC E4 → Media, Wikimedia Commons, Wiktionary-logo-en-v2 Another extracted example is EMC E4 → October, 1938 – December, 1939. Use these groups to spot repeated connection types before inspecting the individual relationships.

EMC E4

Top relations

related to External links · 3
EMC E4 → Media, Wikimedia Commons, Wiktionary-logo-en-v2
Build date · 1
EMC E4 → October, 1938 – December, 1939
Builder · 1
EMC E4 → Electro-Motive Corporation (EMC)
Career · 1
EMC E4 → CareerOperatorsSeaboard Air LineRetired1964DispositionAll scrapped
Configuration: · 1
EMC E4 → ​
Cylinders · 1
EMC E4 → 12 × 2
Disposition · 1
EMC E4 → All scrapped
Engine type · 1
EMC E4 → V12 Two stroke diesel × 2
Fuel capacity · 1
EMC E4 → 1,200 gallons
Gauge · 1
EMC E4 → .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-output .frac .de…

Important terminology

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

Important terminology

e4 emc units 000 diesel models nose v12 500 kw line model ft two power traction motors december 1938 loco

EMC E4 relationships Subject–Predicate–Object triples

TTTA extracted 42 structured relationships around EMC E4. Examples in this analysis include EMC E4 → Build date → October, 1938 – December, 1939 and EMC E4 → Builder → Electro-Motive Corporation (EMC). The table shows each extracted connection, where it came from and its confidence.

SubjectPredicateObjectConfidenceSrc
EMC E4Build dateOctober, 1938 – December, 19391.00infobox
EMC E4BuilderElectro-Motive Corporation (EMC)1.00infobox
EMC E4CareerCareerOperatorsSeaboard Air LineRetired1964DispositionAll scrapped1.00infobox
EMC E4Configuration:​1.00infobox
EMC E4Cylinders12 × 21.00infobox
EMC E4DispositionAll scrapped1.00infobox
EMC E4Engine typeV12 Two stroke diesel × 21.00infobox
EMC E4Fuel capacity1,200 gallons1.00infobox
EMC E4Gauge.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-output .frac .de…1.00infobox
EMC E4Gear ratio52:151.00infobox
EMC E4Height13ft 11in (14ft including horns)1.00infobox
EMC E4Length71ft 1 1/4in1.00infobox
EMC E4Loco brakeAir brake1.00infobox
EMC E4Loco weight315,000 Lbs (A-unit), 290,000 Lbs (B-units)1.00infobox
EMC E4Lubricant cap.330 gallons1.00infobox
EMC E4Maximum speed116 mph (187 km/h)1.00infobox
EMC E4ModelE41.00infobox
EMC E4OperatorsSeaboard Air Line1.00infobox
EMC E4Performance figuresPerformance figuresMaximum speed116 mph (187 km/h)Power output2,000 hp (1,500 kW)Tractive effort: ​ • Starting56,500 lbf (251.32 kN) • Continuous31,000 lbf (137.89 kN)1.00infobox
EMC E4Power output2,000 hp (1,500 kW)1.00infobox
EMC E4Power typeDiesel-electric1.00infobox
EMC E4Prime moverEMC 12-567, 2 off1.00infobox
EMC E4Retired19641.00infobox
EMC E4RPM:​1.00infobox
EMC E4Sandbox cap.16 cu. ft.1.00infobox
EMC E4Serial number832-837 (3000-3005), 838-840 (3100-3102), 807 (3006), 851 (1939 later 3013), 852 (1939B later 1940B then 3104), 960-965 (3007-3012) & 966 (3103).1.00infobox
EMC E4SpecificationsSpecificationsConfiguration: ​ • AARA1A-A1AGauge.mw-parser-output .frac{white-space:nowrap}.mw-parser-output .frac .num,.mw-parser-output .frac .den{font-size:80%;line-height:0;…1.00infobox
EMC E4Total produced14 A units, 5 B units1.00infobox
EMC E4Traction motorsGM D7 (4),1.00infobox
EMC E4Tractive effort:​1.00infobox

Related concept clusters Concept neighborhoods

The concept neighborhoods around EMC E4 bring nearby vocabulary together. In this analysis, examples include Kw, Motors and Power. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

  • EMC E4
    • Kw
    • Motors
    • Power
    • Traction
    • Two
    • V12
    • Diesel
    • 12-567
    • A1a-a1a
    • Corporation
    • Cylinders
    • Electro-motive
  • emc e4
    • Kw
    • Motors
    • Power
    • Traction
    • Two
    • V12
    • Diesel
    • 12-567
    • A1a-a1a
    • Corporation
    • Cylinders
    • Electro-motive
  • a1a-a1a
    • Diesel
    • Lbs
    • Wheelbase
    • Emc
    • 12-567
    • Built
    • Cap
    • Corporation
    • Cylinders
    • E4
    • Electro-motive
    • Ft
  • diesel locomotive
    • 12-567
    • Cylinders
    • Emc
    • Loco
    • Mw-parser-output
    • Rpm
    • E4
    • December
    • Kw
    • Motors
    • Traction
    • Two
  • traction motors
    • Motors
    • Traction
    • Two
    • V12
    • 12-567
    • Cylinders
    • Loco
    • Mw-parser-output
    • Rpm
    • Power
    • Lbs
    • Wheelbase
  • seaboard air line
    • Seaboard
    • 12-567
    • Cylinders
    • Hp
    • Loco
    • Mw-parser-output
    • Passenger
    • Rpm
    • Scrapped
    • Traction
    • Two
    • V12
  • electro-motive corporation
    • Corporation
    • Electro-motive
    • Emc
    • Locomotive
    • Passenger
    • Sal
    • Southeast
    • December
    • Kw
    • Power
    • Diesel
    • Units
  • passenger train
    • A1a-a1a
    • Built
    • Corporation
    • E4
    • Electro-motive
    • Locomotive
    • Kw
    • Line
    • Model
    • Diesel
    • Emc

Connections between topic areas Semantic bridges

Bridges highlight paths between different parts of the EMC E4 map and can reveal research angles that are easy to miss in a flat list.

Min side: 3

Map overview Semantic statistics

EMC E4

Nodes20
Edges19
Triples42
Avg. degree1.9
Density0.1
Components1

Source & methodology

TTTA analyzes the structure around EMC E4 to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as Measurement, Companies & Products, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.

Source: Wikipedia — EMC E4 · EN edition · Analysis: TopicsToTalkAbout

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