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EMD SD40: Products, Preservation & Design

The EMD SD40 is a model of 6-axle diesel-electric locomotive built by General Motors Electro-Motive Division between January 1966 and August 1972. 1,268 locomotives were built between 1966 and 1972. In 1972, an improved version with new electronics was developed and marketed as a new locomotive, the SD40-2.

Language: English [EN]
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EMD SD40 topic overview

The analysis highlights Products, Preservation and Design as prominent areas in the source structure around EMD SD40.

Related topics
66
Source areas
6
Connected nodes
72
Extracted relationships
55
Concept neighborhoods
30
Bridge connections
72

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.

Preservation · 29 topics
Design · 13 topics
Derivatives and Experimental · 11 topics
Original owners · 6 topics
SD40 rebuilds · 4 topics
Overview · 3 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.

Alternator
main : AR-10 auxiliary : D14
Aspiration
turbocharged
Build date
January 1966 – August 1972
Builder
GM Electro-Motive Division (EMD) General Motors Diesel (GMD)
Career
CareerLocaleNorth America South America Africa
Configuration:
​

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

Design

Original owners

Derivatives and Experimental

SD40 rebuilds

Preservation

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 EMD SD40 connects Entity context

The extracted context around EMD SD40 shows recurring relationship patterns in the source. For example, EMD SD40 → December, Department, Electro-Motive Division, General Motors Corporation, Guide, IL, ISBN, Jerry, Kalmbach Publishing, La Grange, Milwaukee, Pinkepank, Retrieved, Robert, Sarberenyi, SD40, SD40A, SDP40 Operator's Manual, SDP40 Original Owners, The Modern Locomotive Handbook Another extracted example is EMD SD40 → main : AR-10 auxiliary : D14. Use these groups to spot repeated connection types before inspecting the individual relationships.

EMD SD40

Top relations

related to References · 22
EMD SD40 → December, Department, Electro-Motive Division, General Motors Corporation, Guide, IL, ISBN, Jerry, Kalmbach Publishing, La Grange, Milwaukee, Pinkepank, Retrieved, Robert, Sarberenyi, SD40, SD40A, SDP40 Operator's Manual, SDP40 Original Owners, The Modern Locomotive Handbook
Alternator · 1
EMD SD40 → main : AR-10 auxiliary : D14
Aspiration · 1
EMD SD40 → turbocharged
Build date · 1
EMD SD40 → January 1966 – August 1972
Builder · 1
EMD SD40 → GM Electro-Motive Division (EMD) General Motors Diesel (GMD)
Career · 1
EMD SD40 → CareerLocaleNorth America South America Africa
Configuration: · 1
EMD SD40 → ​
Coolant cap. · 1
EMD SD40 → 295 US gal (1,120 L; 246 imp gal)
Cylinders · 1
EMD SD40 → 16
Driver dia. · 1
EMD SD40 → 40 in (1,016 mm) diameter

Important terminology

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

Important terminology

sd40 emd museum locomotive southern built preserved 1966 railroad motors sd40-2 1972 donated ft 000 canadian traction us gal imp

EMD SD40 relationships Subject–Predicate–Object triples

TTTA extracted 55 structured relationships around EMD SD40. Examples in this analysis include EMD SD40 → Alternator → main : AR-10 auxiliary : D14 and EMD SD40 → Aspiration → turbocharged. The table shows each extracted connection, where it came from and its confidence.

SubjectPredicateObjectConfidenceSrc
EMD SD40Alternatormain : AR-10 auxiliary : D141.00infobox
EMD SD40Aspirationturbocharged1.00infobox
EMD SD40Build dateJanuary 1966 – August 19721.00infobox
EMD SD40BuilderGM Electro-Motive Division (EMD) General Motors Diesel (GMD)1.00infobox
EMD SD40CareerCareerLocaleNorth America South America Africa1.00infobox
EMD SD40Configuration:​1.00infobox
EMD SD40Coolant cap.295 US gal (1,120 L; 246 imp gal)1.00infobox
EMD SD40Cylinders161.00infobox
EMD SD40Driver dia.40 in (1,016 mm) diameter1.00infobox
EMD SD40Engine typeV16 diesel1.00infobox
EMD SD40Fuel capacity3,200 US gal (12,000 L; 2,700 imp gal)1.00infobox
EMD SD40Gauge.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
EMD SD40Height15 ft 5+1⁄4 in (4.71 m)1.00infobox
EMD SD40Length65 ft 8 in (20.02 m) over the coupler pulling faces; 65 feet 9+1⁄2 inches (20.053 m) on some units starting early 1968.1.00infobox
EMD SD40LocaleNorth America South America Africa1.00infobox
EMD SD40Loco brakeIndependent air optional: dynamic brakes1.00infobox
EMD SD40Loco weight360,000 lb (160 t)1.00infobox
EMD SD40Lubricant cap.243 US gal (920 L; 202 imp gal)1.00infobox
EMD SD40Maximum speed83 mph (134 km/h)1.00infobox
EMD SD40ModelSD401.00infobox
EMD SD40Performance figuresPerformance figuresMaximum speed83 mph (134 km/h)Power output3,000 hp (2,240 kW)1.00infobox
EMD SD40Power output3,000 hp (2,240 kW)1.00infobox
EMD SD40Power typeDiesel-electric1.00infobox
EMD SD40Prime moverEMD 16-645E31.00infobox
EMD SD40Sandbox cap.56 cu ft (1.6 m3)1.00infobox
EMD SD40SpecificationsSpecificationsConfiguration: ​ • AARC-CGauge.mw-parser-output .frac{white-space:nowrap}.mw-parser-output .frac .num,.mw-parser-output .frac .den{font-size:80%;line-height:0;vert…1.00infobox
EMD SD40Total produced1,2681.00infobox
EMD SD40Traction motorsD-771.00infobox
EMD SD40Train brakesAir, schedule 26-L1.00infobox
EMD SD40Type and originType and originPower typeDiesel-electricBuilderGM Electro-Motive Division (EMD) General Motors Diesel (GMD)ModelSD40Build dateJanuary 1966 – August 1972Total produced1,2681.00infobox

Related concept clusters Concept neighborhoods

The concept neighborhoods around EMD SD40 bring nearby vocabulary together. In this analysis, examples include Diesel, Motors and Sd40. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

  • EMD SD40
    • Diesel
    • Motors
    • Sd40
    • Air
    • Division
    • Electro-motive
    • General
    • Loco
    • Sdp40
    • Turbocharged
    • V16
    • Locomotive
  • emd sd40
    • Diesel
    • Motors
    • Sd40
    • Air
    • Division
    • Electro-motive
    • General
    • Loco
    • Sdp40
    • Turbocharged
    • V16
    • Locomotive
  • general motors electro-motive division
    • Division
    • Electro-motive
    • General
    • Traction
    • Air
    • Motors
    • Model
    • Loco
    • Turbocharged
    • V16
    • Coupler
    • Diesel
  • air brakes
    • Traction
    • Loco
    • Motors
    • Turbocharged
    • V16
    • Diesel
    • Ft
    • Coupler
    • Emd
    • Division
    • Electro-motive
    • General
  • v16
    • Turbocharged
    • Air
    • Hp
    • Loco
    • Diesel
    • Ft
    • Traction
    • Motors
    • Coupler
    • Emd
    • Division
    • Electro-motive
  • traction motors
    • Traction
    • Air
    • Turbocharged
    • V16
    • Loco
    • Diesel
    • Ft
    • Sd40
    • Coupler
    • Hp
    • Frame
    • Us
  • canadian pacific
    • Canadian
    • Pacific
    • Southern
    • Locomotive
    • Preserved
    • Museum
    • Turbocharged
    • V16
    • Frame
    • Ft
    • Illinois
    • Model
  • original owners
    • Pacific
    • Coupler
    • Air
    • Loco
    • Turbocharged
    • V16
    • Cap
    • Diesel
    • Ft
    • Fuel
    • Gal
    • Imp

Connections between topic areas Semantic bridges

For EMD SD40, one of the stronger structural bridges in this analysis connects EMD SD40 with Preservation. 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
EMD SD40 — Preservation · splits 43 ⟂ 30
EMD SD40 — Design · splits 59 ⟂ 14
EMD SD40 — Derivatives and Experimental · splits 61 ⟂ 12
EMD SD40 — Original owners · splits 66 ⟂ 7
EMD SD40 — SD40 rebuilds · splits 68 ⟂ 5
EMD SD40 — Overview · splits 69 ⟂ 4

Map overview Semantic statistics

EMD SD40

Nodes73
Edges72
Triples55
Avg. degree1.97
Density0.027397
Components1

Source & methodology

TTTA analyzes the structure around EMD SD40 to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as Products, Preservation & Design, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.

Source: Wikipedia — EMD SD40 · EN edition · Analysis: TopicsToTalkAbout

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