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The SDP40 is a 6-axle passenger diesel-electric locomotive built by General Motors Electro-Motive Division (EMD) between June 1966 and May 1970.
The analysis highlights Measurement, Appearance and Design as prominent areas in the source structure around EMD SDP40.
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.
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.
High-confidence facts extracted from structured source data. Use them as anchors for further research.
A focused starting point derived from the topic graph, ranked independently of the source article order.
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.
Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.
The extracted context around EMD SDP40 shows recurring relationship patterns in the source. For example, EMD SDP40 → Delco 64-72 Another extracted example is EMD SDP40 → Mechanically-assisted turbocharger. Use these groups to spot repeated connection types before inspecting the individual relationships.
Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.
sdp40 emd northern great service may locomotives sd40 us gal imp passenger motors steam diesel railway 1966 locomotive air cap
TTTA extracted 60 structured relationships around EMD SDP40. Examples in this analysis include EMD SDP40 → Alternator → Delco 64-72 and EMD SDP40 → Aspiration → Mechanically-assisted turbocharger. The table shows each extracted connection, where it came from and its confidence.
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| EMD SDP40 | Alternator | Delco 64-72 | 1.00 | infobox |
| EMD SDP40 | Aspiration | Mechanically-assisted turbocharger | 1.00 | infobox |
| EMD SDP40 | Build date | June 1966 – May 1970 | 1.00 | infobox |
| EMD SDP40 | Builder | General Motors Electro-Motive Division (EMD) | 1.00 | infobox |
| EMD SDP40 | Career | CareerLocaleNorth AmericaPreservedGreat Northern #325Disposition6 still in service, 1 preserved, remainder scrapped | 1.00 | infobox |
| EMD SDP40 | Configuration: | | 1.00 | infobox |
| EMD SDP40 | Coolant cap. | 295 US gal (1,120 L; 246 imp gal) | 1.00 | infobox |
| EMD SDP40 | Cylinder size | 8.5 in (220 mm) × 10 in (250 mm) | 1.00 | infobox |
| EMD SDP40 | Cylinders | 16 | 1.00 | infobox |
| EMD SDP40 | Displacement | 10,320 in3 (169,100 cm3) | 1.00 | infobox |
| EMD SDP40 | Disposition | 6 still in service, 1 preserved, remainder scrapped | 1.00 | infobox |
| EMD SDP40 | Engine type | V16 Two-stroke diesel | 1.00 | infobox |
| EMD SDP40 | Fuel capacity | 3,200 US gal (12,000 L; 2,700 imp gal) | 1.00 | infobox |
| EMD SDP40 | Fuel consumption | 167 US gal (630 L; 139 imp gal) per hour | 1.00 | infobox |
| EMD SDP40 | Fuel type | Diesel | 1.00 | infobox |
| EMD SDP40 | Gauge | .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… | 1.00 | infobox |
| EMD SDP40 | Gear ratio | 59:15 | 1.00 | infobox |
| EMD SDP40 | Generator | Main: GM - D32 Auxiliary: GM | 1.00 | infobox |
| EMD SDP40 | Height | 15 ft 7.5 in (4.763 m) | 1.00 | infobox |
| EMD SDP40 | Length: | | 1.00 | infobox |
| EMD SDP40 | Locale | North America | 1.00 | infobox |
| EMD SDP40 | Loco brake | Independent air optional: dynamic brakes | 1.00 | infobox |
| EMD SDP40 | Loco weight | 368,000 lb (167,000 kg) | 1.00 | infobox |
| EMD SDP40 | Lubricant cap. | 243 US gal (920 L; 202 imp gal) | 1.00 | infobox |
| EMD SDP40 | Maximum speed | 83–95 mph (134–153 km/h) | 1.00 | infobox |
| EMD SDP40 | Minimum curve | 57°/274 ft (84 m) | 1.00 | infobox |
| EMD SDP40 | Model | SDP40 | 1.00 | infobox |
| EMD SDP40 | MU working | Yes | 1.00 | infobox |
| EMD SDP40 | Performance figures | Performance figuresMaximum speed83–95 mph (134–153 km/h)Power output3,000 hp (2,200 kW)Tractive effort: • Starting90,000 lbf (400,000 N) @25% • Continuous82,100 lbf (365,000 N… | 1.00 | infobox |
| EMD SDP40 | Pivot centres | 53 ft 7 in (16.33 m) | 1.00 | infobox |
The concept neighborhoods around EMD SDP40 bring nearby vocabulary together. In this analysis, examples include Diesel, Passenger and Sd40. Use the clusters to find adjacent concepts and terminology that may deserve separate research.
For EMD SDP40, one of the stronger structural bridges in this analysis connects EMD SDP40 with Appearance. 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 SDP40 to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as Measurement, Appearance & 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 SDP40 · EN edition · Analysis: TopicsToTalkAbout