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EMD SD90MAC: History, Measurement & Products

The EMD SD90MAC is a model of 6,000 hp (4,470 kW) C-C diesel-electric locomotive produced by General Motors Electro-Motive Division (EMD). It is, with the SD80MAC, the largest single-engined locomotives produced, and among the most powerful diesel-electric locomotives made by EMD, surpassed only by the dual-engined DDA40X.

Language: English [EN]
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EMD SD90MAC topic overview

The analysis highlights History, Measurement and Products as prominent areas in the source structure around EMD SD90MAC.

Related topics
32
Source areas
4
Connected nodes
36
Extracted relationships
29
Concept neighborhoods
15
Bridge connections
36

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 · 15 topics
Current status · 11 topics
History · 5 topics
Specifications · 1 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
1995–2000
Builder
Electro-Motive Diesel (EMD)
Configuration:
​
Cylinder size
10.45 in × 11.80 in (265 mm × 300 mm)
Cylinders
16
Engine type
V16 diesel

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

History

Specifications

Current status

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 SD90MAC connects Entity context

The extracted context around EMD SD90MAC shows recurring relationship patterns in the source. For example, EMD SD90MAC → SD9043MAC: 4,300 hp (3,210 kW), SD90MAC: 6,000 hp (4,470 kW) Another extracted example is EMD SD90MAC → 1995–2000. Use these groups to spot repeated connection types before inspecting the individual relationships.

EMD SD90MAC

Top relations

Performance figures · 2
EMD SD90MAC → SD9043MAC: 4,300 hp (3,210 kW), SD90MAC: 6,000 hp (4,470 kW)
Power output · 2
EMD SD90MAC → SD9043MAC: 4,300 hp (3,210 kW), SD90MAC: 6,000 hp (4,470 kW)
Build date · 1
EMD SD90MAC → 1995–2000
Builder · 1
EMD SD90MAC → Electro-Motive Diesel (EMD)
Configuration: · 1
EMD SD90MAC → ​
Cylinder size · 1
EMD SD90MAC → 10.45 in × 11.80 in (265 mm × 300 mm)
Cylinders · 1
EMD SD90MAC → 16
Engine type · 1
EMD SD90MAC → V16 diesel
Fuel capacity · 1
EMD SD90MAC → 5,000 US gal (19,000 L; 4,200 imp gal)
Gauge · 1
EMD SD90MAC → .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

sd90mac hp locomotives emd engine pacific kw sd90macs union 000 300 sd80mac units sd90mac-h h-engine prime mover locomotive motors diesel

EMD SD90MAC relationships Subject–Predicate–Object triples

TTTA extracted 29 structured relationships around EMD SD90MAC. Examples in this analysis include EMD SD90MAC → Build date → 1995–2000 and EMD SD90MAC → Builder → Electro-Motive Diesel (EMD). The table shows each extracted connection, where it came from and its confidence.

SubjectPredicateObjectConfidenceSrc
EMD SD90MACBuild date1995–20001.00infobox
EMD SD90MACBuilderElectro-Motive Diesel (EMD)1.00infobox
EMD SD90MACConfiguration:​1.00infobox
EMD SD90MACCylinder size10.45 in × 11.80 in (265 mm × 300 mm)1.00infobox
EMD SD90MACCylinders161.00infobox
EMD SD90MACEngine typeV16 diesel1.00infobox
EMD SD90MACFuel capacity5,000 US gal (19,000 L; 4,200 imp gal)1.00infobox
EMD SD90MACGauge.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 SD90MACLength80 ft 2 in (24.43 m)1.00infobox
EMD SD90MACLoco weight415,000 lb (188,000 kg) (SD9043MAC) and 425,000 lb (193,000 kg) (SD90MAC-H & SD90MAC-H2)1.00infobox
EMD SD90MACMaximum speed70 mph (113 km/h)1.00infobox
EMD SD90MACModelSD90MAC1.00infobox
EMD SD90MACPerformance figuresSD9043MAC: 4,300 hp (3,210 kW)1.00infobox
EMD SD90MACPerformance figuresSD90MAC: 6,000 hp (4,470 kW)1.00infobox
EMD SD90MACPower outputSD9043MAC: 4,300 hp (3,210 kW)1.00infobox
EMD SD90MACPower outputSD90MAC: 6,000 hp (4,470 kW)1.00infobox
EMD SD90MACPower typeDiesel-electric1.00infobox
EMD SD90MACPrime moverEMD 16-710 G3C-T1 and 16-265H1.00infobox
EMD SD90MACRPM range225-1,000 rpm1.00infobox
EMD SD90MACSandbox cap.40 cu ft (1.1 m3)1.00infobox
EMD SD90MACSpecificationsSpecificationsConfiguration: ​ • AARC-C • UICCo’Co’Gauge.mw-parser-output .frac{white-space:nowrap}.mw-parser-output .frac .num,.mw-parser-output .frac .den{font-size:80%;line-h…1.00infobox
EMD SD90MACTotal produced6571.00infobox
EMD SD90MACTraction motors6 Siemens 1TB2830 AC motors1.00infobox
EMD SD90MACTractive effortSmall engine (SD9043MAC): 185,000 lbf (820 kN) starting, 147,000 lbf (650 kN) continuous Large engine (SD90MAC-H and SD90MAC-H2): 200,000 lbf (890 kN) starting, 165,000 lbf (730…1.00infobox
EMD SD90MACType and originType and originPower typeDiesel-electricBuilderElectro-Motive Diesel (EMD)ModelSD90MACBuild date1995–2000Total produced6571.00infobox
EMD SD90MACWheel diameter45 in (1,100 mm)1.00infobox
EMD SD90MAC• AARC-C1.00infobox
EMD SD90MAC• UICCo’Co’1.00infobox
EMD SD90MACis amodel of 60.90text

Related concept clusters Concept neighborhoods

The concept neighborhoods around EMD SD90MAC bring nearby vocabulary together. In this analysis, examples include Rpm, Motors and Kw. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

  • EMD SD90MAC
    • Rpm
    • Motors
    • Kw
    • Hp
    • Diesel-electric
    • Ac
    • Produced
    • Sd9043mac
    • Size
    • Traction
    • Sd90mac
    • Mover
  • emd sd90mac
    • Rpm
    • Motors
    • Kw
    • Hp
    • Diesel-electric
    • Ac
    • Produced
    • Sd9043mac
    • Size
    • Traction
    • Sd90mac
    • Mover
  • hp
    • Kw
    • 16-cylinder
    • Rpm
    • Sd9043mac
    • Motors
    • Engine
    • H-engine
    • Mover
    • Prime
    • Locomotives
    • Sd90mac
    • Ac
  • general motors electro-motive division
    • Ac
    • Traction
    • Diesel
    • Rpm
    • Produced
    • Mover
    • Prime
    • Sd9043mac
    • Size
    • Also
    • Motors
    • Sd90mac
  • ac
    • Traction
    • Motors
    • Rpm
    • Mover
    • Prime
    • Emd
    • Sd9043mac
    • Size
    • Diesel
    • Sd90mac-h
    • Kw
    • Diesel-electric
  • emd sd70acu
    • Rpm
    • Motors
    • Kw
    • Hp
    • Diesel-electric
    • Ac
    • Produced
    • Sd9043mac
    • Size
    • Traction
    • Sd90mac
    • Mover
  • diesel-electric
    • Produced
    • Emd
    • Motors
    • Electro-motive
    • Ac
    • Rpm
    • Sd9043mac
    • Size
    • Traction
    • Also
    • Fleet
    • Sd80mac
  • canadian pacific
    • Union
    • Canadian
    • Pacific
    • Purchased
    • Locomotives
    • Sd90mac
    • Sd90mac-h
    • Also
    • Fleet
    • Diesel
    • Sd90
    • Equipped

Connections between topic areas Semantic bridges

For EMD SD90MAC, one of the stronger structural bridges in this analysis connects EMD SD90MAC with Overview. 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 SD90MAC — Overview · splits 21 ⟂ 16
EMD SD90MAC — Current status · splits 25 ⟂ 12
EMD SD90MAC — History · splits 31 ⟂ 6

Map overview Semantic statistics

EMD SD90MAC

Nodes37
Edges36
Triples29
Avg. degree1.95
Density0.054054
Components1

Source & methodology

TTTA analyzes the structure around EMD SD90MAC to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as History, Measurement & Products, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.

Source: Wikipedia — EMD SD90MAC · EN edition · Analysis: TopicsToTalkAbout

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