EMD E6

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EMD E6
Rock Island locomotive 630.jpg
Rock Island E6A #630, operated by Midland Railway, at Baldwin City, Kansas on November 28, 2004
Type and origin
Power type Diesel-electric
Builder General Motors Electro-Motive Division (EMD)
Model E6
Build date November 1939 – September 1942
Total produced 91 A units, 26 B units
Specifications
AAR wheel arr. A1A-A1A
Gauge 4 ft 8 12 in (1,435 mm)
Trucks EMD Blomberg A-1-A passenger
Wheel diameter 36 in (914 mm)
Minimum curve 23° (250.79 ft or 76.44 m radius)
Wheelbase 57 ft 1 in (17.40 m)
Length 70 ft 4 in (21.44 m) over coupler pulling faces
Width 10 ft 7 in (3.23 m)
Height 14 ft 10 in (4.52 m)r
Locomotive weight 311,300 lb (141,200 kg)
Prime mover (2) EMD 567
Engine RPM range 800
Engine type V12 Two-stroke diesel
Aspiration Roots-type supercharger
Displacement 6,804 cu in (111.50 L) each
Generator (2) EMD D-4
Traction motors (4) EMD D-7
Cylinders (2) 12
Performance figures
Power output 2,000 hp (1,500 kW) total
Career
Disposition Two preserved, remainder scrapped

The EMD E6 was a 2,000-horsepower (1,500 kW), A1A-A1A, passenger train locomotive manufactured by Electro-Motive Corporation, and its corporate successor, General Motors Electro-Motive Division, of La Grange, Illinois. The cab version, or E6A, was manufactured from November, 1939 to September, 1942, and 91 were produced. The booster version, or E6B, was manufactured from April, 1940 to February, 1942, and 26 were produced. The 2,000-horsepower (1,500 kW) was achieved by putting two 1,000-horsepower (750 kW), 12-cylinder, model 567 engines in the engine compartment. Each engine drove its own electrical generator to power the traction motors. The E6 was the seventh model in a long line of passenger diesels of similar design known as EMD E-units.

Compared with passenger locomotives made later by EMD, the noses of the E3, E4, E5,and E6 cab units had pronounced slants when viewed from the side. Therefore, these four models have been nicknamed "slant nose" units. Later E models had the "bulldog nose" of the F series.

One interesting E6 variant custom-produced for the Missouri Pacific was the model EMC AA. This was a motorcar-style unit which had only one prime mover and 1,000 horsepower (750 kW), and substituted a baggage compartment where the other diesel V-12 would have been.

Original owners[edit]

Railroad Quantity
A units
Quantity
B units
Road numbers
A units
Road numbers
B units
Notes
Electro-Motive Division (demonstrator)
1
1940
to Seaboard Air Line 3014
Atlantic Coast Line Railroad
22
5
502–523
750–754
ACL 501, often identified as an E6A, was built as an E3A but wrecked before delivery and rebuilt by EMC as an E6A.
Atchison, Topeka and Santa Fe Railway
4
3
12–15
12A, 13A, 15A
Baltimore and Ohio Railroad
8
7
52, 57–63
57x–63x
Chicago and North Western Railway
4
5005A,B, 5006A,B
Chicago, Rock Island and Pacific Railroad
5
627–631
Florida East Coast Railway
3
1
1003–1005
1051
Illinois Central Railroad
5
4000–4004
Kansas City Southern Railway
2
4, 5
Louisville and Nashville Railroad
16
450A,B–457A,B
Milwaukee Road
2
15A,B
Missouri Pacific Railroad
2
2
7002–7003
7002B–7003B
Seaboard Air Line Railroad
2
3015–3016
EMD Demonstrator 1940 became SAL 3014
Southern Railway
7
4
2800–2802
2900–2903
2900B–2903B
Union Pacific Railroad
6
7M1A, 7M2A, 8M1A, 8M2A, 9M1A, 9M2A
UP-C&NW joint City of Los Angeles
1
2
LA-4
LA-5, LA-6
UP-SP-C&NW joint City of San Francisco
1
2
SF-4
SF-5, SF-6
Total 91 26

Surviving units[edit]

Two E6s survive today. One was operated by the Midland Railway, in Baldwin City, Kansas but has since been sold and may become part of a future museum in Manly, Iowa or possibly be restored to operation. It is ex-Chicago, Rock Island & Pacific Railroad E6A #630.

The other E6 is located at the Kentucky Railway Museum, in New Haven, Kentucky. It is ex-Louisville and Nashville E6A #770, built as L&N 450B. This unit is for display only, as it came to the museum without a majority of its internal parts.

See also[edit]

References[edit]

  • Dorin, Patrick C. (1972). Chicago and North Western Power. Superior Publishing. p. 130. ISBN 0-87564-715-4. 
  • Lamb, J. Parker (2007). Evolution of the American Diesel Locomotive. Railroads Past and Present. Bloomington, IN, USA: Indiana University Press. ISBN 9780253348630. 
  • Marre, Louis A. (1995). Diesel Locomotives: The First 50 Years: A Guide to Diesels Built Before 1972. Railroad Reference Series (Book 10). Waukesha, WI, USA: Kalmbach Publishing. ISBN 0890242585. 
  • Pinkepank, Jerry A. (1973). The Second Diesel Spotter’s Guide. Milwaukee, WI: Kalmbach Publishing Company. pp. EMD–121–EMD–123. ISBN 0-89024-026-4. 
  • Schafer, Mike (1998). Vintage Diesel Locomotives. Enthusiast Color Series. Osceola, WI, USA: MBI Publishing. ISBN 0760305072. 
  • Solomon, Brian (2000). The American Diesel Locomotive. Osceola, WI, USA: MBI Publishing. ISBN 0760306664. 
  • Solomon, Brian (2006). EMD Locomotives. St. Paul, MN, USA: Voyageur Press. ISBN 9780760323960. 
  • Solomon, Brian (2010). Vintage Diesel Power. Minneapolis, MN, USA: MBI Publishing. ISBN 9780760337950. 
  • Solomon, Brian (2011). Electro-Motive E-Units and F-Units: The Illustrated History of North America's Favorite Locomotives. Minneapolis, MN, USA: Voyageur Press. ISBN 9780760340073. 
  • Solomon, Brian (2012). North American Locomotives: A Railroad-by-Railroad Photohistory. Minneapolis, MN, USA: Voyageur Press. ISBN 9780760343708. 
  • Wilson, Jeff (2002). E Units: Electro-Motive's Classic Streamliners. Classic Trains / Golden Years of Railroading series. Waukesha, WI, USA: Kalmbach Publishing. ISBN 0890246068. 

External links[edit]

Media related to EMD E6 locomotives at Wikimedia Commons