Classic Streamliners - TRAIN​CYCLOPEDIA

Historic Rail - Shop Now!
Snake River Farms Wagyu Brisket
EMD logo

Baltimore and Ohio No. 9624 TR4 cow-calf set at Riverside Yard, Baltimore, in 1969.  Photo by Roger Puta.

A preserved EMD SW7 locomotive at the Southeastern Railway Museum in Duluth, Georgia.

By Josh Hallett [CC BY-SA 2.0  (https://creativecommons.org/licenses/by-sa/2.0)], via Wikimedia Commons

Click Here to Shop for Railroad Lanterns on eBay.
NFLShop.com - NFL Jerseys and Gear
Enter the Classic Streamliners Bookstore.
Shop for Trains and Railroad Collectibles on eBay
Shop for Railroad and Train Collectibles on eBay
Enter the Classic Streamliners Bookstore.
NFLShop.com - NFL Jerseys and Gear

EMD SW7 and TR4 Diesel-Electric Locomotives
The EMD SW7 was a diesel switcher locomotive built by General Motors Electro-Motive Division between October 1949 and January 1951. It was powered by a V12 567A engine developing 1,200 horsepower (895 kW). 489 SW7 locomotives were produced. The majority of the SW7s were built by EMD Plant No. 3 in Cleveland, Ohio. In addition, 15 TR4 cow-calf paired sets were produced.

Original buyers
SW7

Railroad: Arkansas and Louisiana Missouri Railway
Quantity: 1
Road numbers: 11

Railroad: Atlantic Coast Line Railroad
Quantity: 9
Road numbers: 643–651

Railroad: Central Railroad of New Jersey
Quantity: 4
Road numbers: 1080–1083

Railroad: Charleston and Western Carolina Railway
Quantity: 2
Road numbers: 800–801

Railroad: Chesapeake and Ohio Railway
Quantity: 26
Road numbers: 5214–5239

Railroad: Chicago and Eastern Illinois Railroad
Quantity: 6
Road numbers: 126–131

Railroad: Chicago and Eastern Illinois (Chicago Heights Terminal and Transfer Railroad)
Quantity: 2
Road numbers: 132–133

Railroad: Chicago and Illinois Western Railroad
Quantity: 3
Road numbers: 101–103

Railroad: Chicago, Burlington and Quincy Railroad
Quantity: 20
Road numbers: 9249–9268
Notes: to Burlington Northern 115-134

Railroad: Clinchfield Railroad
Quantity: 6
Road numbers: 350–355

Railroad: Colorado and Southern Railway
Quantity: 1
Road numbers: 154

Railroad: Conemaugh and Black Lick Railroad
Quantity: 15
Road numbers: 103–117

Railroad: Cornwall Railroad
Quantity: 3
Road numbers: 120–122

Railroad: Detroit and Toledo Shore Line Railroad
Quantity: 3
Road numbers: 116–118

Railroad: Detroit Terminal
Quantity: 1
Road numbers: 116

Railroad: Detroit, Toledo and Ironton Railroad
Quantity: 5
Road numbers: 920–924

Railroad: Erie Railroad
Quantity: 6
Road numbers: 428–433

Railroad: Great Northern Railway
Quantity: 11
Road numbers: 163–170, 11–13
to Burlington Northern 135-145

Railroad: Illinois Central Railroad
Quantity: 50
Road numbers: 9300–9319, 9400–9429

Railroad: Kansas City Southern Railway
Quantity: 10
Road numbers: 1300–1309

Railroad: Kansas City Southern Railway (Louisiana and Arkansas Railway)
Quantity: 6
Road numbers: 1310–1315

Railroad: Lakeside and Marblehead Railroad
Quantity: 1
Road numbers: 12

Railroad: Lehigh Valley Railroad
Quantity: 5
Road numbers: 220–224

Railroad: Louisiana Midland Railway
Quantity: 1
Road numbers: 10

Railroad: Louisville and Nashville Railroad
Quantity: 22
Road numbers: 2245–2266

Railroad: Maine Central Railroad
Quantity: 3
Road numbers: 331–333

Railroad: Milwaukee Road
Quantity: 1
Road numbers: 1646
Note: renumbered 623

Railroad: Missouri Pacific Railroad
Quantity: 5
Road numbers: 9142–9146

Railroad: Monessen Southwestern Railway
Quantity: 1
Road numbers: 21

Railroad: Montour Railroad
Quantity: 1
Road numbers: 72

Railroad: Nashville, Chattanooga and St. Louis Railway
Quantity: 10
Road numbers: 24–33

Railroad: New York Central Railroad
Quantity: 34
Road numbers: 8851–8855, 8880–8897, 8911–8921

Railroad: New York Central (Indiana Harbor Belt Railroad)
Quantity: 40
Road numbers: 8835–8850, 8856–8879

Railroad: New York Central (Chicago River and Indiana Railroad)
Quantity: 6
Road numbers: 8898–8903

Railroad: New York Central (Peoria and Eastern Railway)
Quantity: 7
Road numbers: 8904–8910

Railroad: New York, Chicago and St. Louis Railroad (“Nickel Plate Road”)
Quantity: 3
Road numbers: 230–232

Railroad: Northern Pacific Railway
Quantity: 8
Road numbers: 107–114
Notes: to Burlington Northern

Railroad: Pennsylvania Railroad
Quantity: 48
Road numbers: 8861–8868, 8871–8872, 9358–9395

Railroad: Peoria and Pekin Union Railway
Quantity: 5
Road numbers: 406–410

Railroad: Phelps Dodge Corporation (New Cornelia Branch Mine)
Quantity: 1
Road numbers: 6

Railroad: Philadelphia, Bethlehem and New England Railroad
Quantity: 4
Road numbers: 31–34

Railroad: River Terminal Railway
Quantity: 2
Road numbers: 61–62

Railroad: Southern Railway (Alabama Great Southern Railroad)
Quantity: 5
Road numbers: 6505–6509

Railroad: Southern Railway (Cincinnati, New Orleans and Texas Pacific Railway)
Quantity: 14
Road numbers: 6060–6073

Railroad: Southern Railway (Georgia Southern and Florida Railway)
Quantity: 4
Road numbers: 8200–8203

Railroad: Southern Railway (New Orleans and North Eastern Railway)
Quantity: 12
Road numbers: 6852–6863

Railroad: St. Louis Southwestern Railway (“Cotton Belt”)
Quantity: 4
Road numbers: 1054–1057
Note: renumbered 2200-2203

Railroad: St. Louis-San Francisco Railway (“Frisco”)
Quantity: 5
Road numbers: 300–304

Railroad: Texas and Pacific Railway
Quantity: 4
Road numbers: 1020–1023

Railroad: Union Pacific Railroad
Quantity: 25
Road numbers: 1800–1824

Railroad: Union Railroad
Quantity: 4
Road numbers: 571–574

Railroad: Wabash Railroad
Quantity: 8
Road numbers: 355–362

Railroad: Weyerhaueser Timber Company
Quantity: 2
Road numbers: 300–301

Railroad: Woodward Iron Company
Quantity: 2
Road numbers: 50–51
Note: Built with 567B engines

Railroad: Youngstown and Southern Railway
Quantity: 2
Road numbers: 70–71

Total Units: 489

Original Buyers
TR4 Cow and Calf Sets

Railroad: Atchison, Topeka and Santa Fe Railway
Quantity: 2 sets
Road numbers: 2418,A–2419,A

Railroad: Belt Railway of Chicago
Quantity: 5 sets
Road numbers: 502AB–506AB

Railroad: Chesapeake and Ohio Railway
Quantity: 2 sets
Road numbers: 6001AB–6002AB

Railroad: Milwaukee Road
Quantity: 6 sets
Road numbers: 2001AB–2006AB

Total Sets: 15

EMD SW7 Overview
Type and origin
Power type: Diesel-electric
Builder: General Motors Electro-Motive Division (EMD)
Model: SW7, TR4
Build date: October 1949 – January 1951
Total produced SW7: 489
TR4: 15 sets
Specifications
Gauge: 4 ft 8 1⁄2 in (1,435 mm) standard gauge
Prime mover: EMD 567A
Engine type: V12 diesel
Aspiration: Roots-type supercharger
Cylinders: 12
Performance figures
Power output: 1,200 hp (895 kW)

See also:

EMD

EMD Diesel-Electric Locomotives

Diesel-Electric Locomotives

Locomotives

Baltimore and Ohio No. 9624 TR4 cow-calf set at Riverside Yard, Baltimore, in 1969. Photo by Roger Puta.