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The EMD AEM-7 is a twin-cab four-axle B-B 7,000 hp (5.2 MW) electric locomotive manufactured by Electro-Motive Division (EMD) and ASEA between 1978 and 1988. It is a derivative of the Swedish SJ Rc4 designed for passenger service in the United States. Amtrak purchased 54 for use on the Northeast Corridor and Keystone Corridor while commuter operators…
The analysis highlights History and Measurement as prominent areas in the source structure around EMD AEM-7.
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The extracted context around EMD AEM-7 shows recurring relationship patterns in the source. For example, EMD AEM-7 → 2016 (Amtrak), 2017 (MARC), 2018 (SEPTA), Amtrak, Amtrak: 900–953, MARC, MARC: 4900–4903, SEPTA, SEPTA: 2301–2307 Another extracted example is EMD AEM-7 → 1,000 kW (AC), 12 kV 25 Hz AC, 12.5 kV 60 Hz AC, 25 kV 60 Hz AC, 500 kW (DC), Alstom 6 FXA 5856 (AC), ASEA LJH 108-5 (DC), Overhead line:. Use these groups to spot repeated connection types before inspecting the individual relationships.
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amtrak locomotives septa locomotive aem-7s service aem-7 electric marc northeast passenger 2018 corridor alstom power traction 2017 ac two siemens
TTTA extracted 70 structured relationships around EMD AEM-7. Examples in this analysis include EMD AEM-7 → Build date → 1978–1988 and EMD AEM-7 → Builder → General Motors Electro-Motive Division ASEA. The table shows each extracted connection, where it came from and its confidence.
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| EMD AEM-7 | Build date | 1978–1988 | 1.00 | infobox |
| EMD AEM-7 | Builder | General Motors Electro-Motive Division ASEA | 1.00 | infobox |
| EMD AEM-7 | Career | Amtrak | 1.00 | infobox |
| EMD AEM-7 | Career | MARC | 1.00 | infobox |
| EMD AEM-7 | Career | SEPTA | 1.00 | infobox |
| EMD AEM-7 | Career | Amtrak: 900–953 | 1.00 | infobox |
| EMD AEM-7 | Career | MARC: 4900–4903 | 1.00 | infobox |
| EMD AEM-7 | Career | SEPTA: 2301–2307 | 1.00 | infobox |
| EMD AEM-7 | Career | 2016 (Amtrak) | 1.00 | infobox |
| EMD AEM-7 | Career | 2017 (MARC) | 1.00 | infobox |
| EMD AEM-7 | Career | 2018 (SEPTA) | 1.00 | infobox |
| EMD AEM-7 | Configuration: | | 1.00 | infobox |
| EMD AEM-7 | Current pickup | Dual pantographs | 1.00 | infobox |
| EMD AEM-7 | Disposition | Two Amtrak units sold to TTCI, two Amtrak units sold to Caltrain, four Amtrak units preserved, all MARC units stored, remainder Amtrak and all SEPTA scrapped | 1.00 | infobox |
| EMD AEM-7 | Electric system/s | Overhead line: | 1.00 | infobox |
| EMD AEM-7 | Electric system/s | 25 kV 60 Hz AC | 1.00 | infobox |
| EMD AEM-7 | Electric system/s | 12.5 kV 60 Hz AC | 1.00 | infobox |
| EMD AEM-7 | Electric system/s | 12 kV 25 Hz AC | 1.00 | infobox |
| EMD AEM-7 | First run | May 9, 1980 (Amtrak) | 1.00 | infobox |
| EMD AEM-7 | Head end power | 500 kW (DC) | 1.00 | infobox |
| EMD AEM-7 | Head end power | 1,000 kW (AC) | 1.00 | infobox |
| EMD AEM-7 | Height | 14 ft 9.5 in (4.51 m) | 1.00 | infobox |
| EMD AEM-7 | Last run | December 1, 2018 (SEPTA) | 1.00 | infobox |
| EMD AEM-7 | Length | 51 ft 1+25⁄32 in (15.590 m) | 1.00 | infobox |
| EMD AEM-7 | Locale | Northeast United States | 1.00 | infobox |
| EMD AEM-7 | Loco weight | 101 short tons (90 long tons; 92 t) | 1.00 | infobox |
| EMD AEM-7 | Maximum speed | 125 mph (200 km/h) | 1.00 | infobox |
| EMD AEM-7 | Model | SJ Rc | 1.00 | infobox |
| EMD AEM-7 | MU working | Yes, AAR | 1.00 | infobox |
| EMD AEM-7 | Nicknames | Toasters; Meatballs | 1.00 | infobox |
The concept neighborhoods around EMD AEM-7 bring nearby vocabulary together. In this analysis, examples include Asea, Electric and Line. Use the clusters to find adjacent concepts and terminology that may deserve separate research.
For EMD AEM-7, one of the stronger structural bridges in this analysis connects EMD AEM-7 with History. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.
TTTA analyzes the structure around EMD AEM-7 to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as History & Measurement, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.
Source: Wikipedia — EMD AEM-7 · EN edition · Analysis: TopicsToTalkAbout