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EMD E7

The E7 is a 2,000-horsepower (1,500 kW), A1A-A1A passenger train locomotive built by General Motors' Electro-Motive Division of La Grange, Illinois. 428 cab versions, or E7As, were built from February 1945 to April 1949; 82 booster E7Bs were built from March 1945 to July 1948. (Circa 1953 one more E7A was built by the Los Angeles General Shops of the…

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Aspiration
Mechanical via Roots blower
Build date
February 1945 – April 1949
Builder
General Motors Electro-Motive Division (EMD)
Career
CareerLocaleUnited StatesDispositionOne preserved on static display, remainder scrapped.
Configuration:
​
Cylinders
(2) 12

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EMD E7

Nodes35
Edges34
Triples32
Avg. degree1.94
Density0.057143
Components1

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EMD E7

Top relations

Aspiration · 1
EMD E7 → Mechanical via Roots blower
Build date · 1
EMD E7 → February 1945 – April 1949
Builder · 1
EMD E7 → General Motors Electro-Motive Division (EMD)
Career · 1
EMD E7 → CareerLocaleUnited StatesDispositionOne preserved on static display, remainder scrapped.
Configuration: · 1
EMD E7 → ​
Cylinders · 1
EMD E7 → (2) 12
Displacement · 1
EMD E7 → 6,804 cu in (111.50 L) each
Disposition · 1
EMD E7 → One preserved on static display, remainder scrapped.
Engine type · 1
EMD E7 → V12 Two-stroke diesel
Fuel type · 1
EMD E7 → Diesel

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Important terminology

isbn railroad units e7a e7 locomotives diesel emd publishing built pennsylvania model passenger power display general one wisconsin solomon brian

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
EMD E7AspirationMechanical via Roots blower1.00infobox
EMD E7Build dateFebruary 1945 – April 19491.00infobox
EMD E7BuilderGeneral Motors Electro-Motive Division (EMD)1.00infobox
EMD E7CareerCareerLocaleUnited StatesDispositionOne preserved on static display, remainder scrapped.1.00infobox
EMD E7Configuration:​1.00infobox
EMD E7Cylinders(2) 121.00infobox
EMD E7Displacement6,804 cu in (111.50 L) each1.00infobox
EMD E7DispositionOne preserved on static display, remainder scrapped.1.00infobox
EMD E7Engine typeV12 Two-stroke diesel1.00infobox
EMD E7Fuel typeDiesel1.00infobox
EMD E7Gauge.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 E7Generator(2) EMD D-41.00infobox
EMD E7Height14 ft 11 in (4.55 m)1.00infobox
EMD E7Length71 ft (22 m)1.00infobox
EMD E7LocaleUnited States1.00infobox
EMD E7Loco weightA unit: 315,000 lb (143,000 kg), B unit: 290,000 lb (130,000 kg)1.00infobox
EMD E7Maximum speed85–117 mph (137–188 km/h)1.00infobox
EMD E7Minimum curve21° (274.37 ft or 83.63 m radius)1.00infobox
EMD E7ModelE71.00infobox
EMD E7Performance figuresPerformance figuresMaximum speed85–117 mph (137–188 km/h)Power output2,000 hp (1,491 kW) totalTractive effort56,500 lbf (251,000 N) starting, 31,000 lbf (140,000 N) continuous1.00infobox
EMD E7Power output2,000 hp (1,491 kW) total1.00infobox
EMD E7Power typeDiesel-electric1.00infobox
EMD E7Prime mover(2) EMD 12-567A1.00infobox
EMD E7RPM range8001.00infobox
EMD E7SpecificationsSpecificationsConfiguration: ​ • 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
EMD E7Total produced428 A units, 82 B units1.00infobox
EMD E7Traction motors(4) GM D7 or D17 or D271.00infobox
EMD E7Tractive effort56,500 lbf (251,000 N) starting, 31,000 lbf (140,000 N) continuous1.00infobox
EMD E7Type and originType and originPower typeDiesel-electricBuilderGeneral Motors Electro-Motive Division (EMD)ModelE7Build dateFebruary 1945 – April 1949Total produced428 A units, 82 B units1.00infobox
EMD E7Wheel diameter36 in (914 mm)1.00infobox

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