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WP No. 584, a Baldwin VO-1000 at Stockton, California, September, 1969.  Photo by Drew Jacksich.

By Drew Jacksich from San Jose, CA, The Republic of California - WP584 (VO1000) Stockton 9-69...., CC BY-SA 2.0, https://commons.wikimedia.org/w/index.php?curid=17931762

Baldwin VO-1000 Diesel-Electric Locomotive
The Baldwin VO-1000 was a diesel-electric locomotive (switcher) built by Baldwin Locomotive Works between January, 1939 and December, 1946. The 236,260–242,200 lb (107,170–109,860 kg) units were powered by a normally aspirated eight-cylinder diesel engine rated at 1,000 horsepower (746 kW), and rode on a pair of two-axle trucks in a B-B wheel arrangement. These were either the AAR Type-A switcher trucks, or the Batz truck originally developed by the Atchison, Topeka and Santa Fe Railway as a leading truck for steam locomotives. 548 examples of this model were built for American railroads, including examples for the Army and Navy.

Between June and August, 1945 Baldwin supplied 30 Co-Co road locomotives with 8-cylinder VO engines for export to the Soviet Union as their Дб20 (Db20) class.

There are at least eight intact examples of the VO-1000 that are known to survive today, all of which are owned by museums or historical societies.

Conversions
In the early 1960s the Reading Company sent 14 of their VO-1000s to General Motors Electro-Motive Division to have them rebuilt to SW900 specifications. These locomotives retained most of their original carbodies, and were subsequently given the designation VO-1000m.

Around the same time, the Elgin, Joliet and Eastern Railway re-powered its VO1000s with turbocharged 606SC Baldwin engines taken from its EMD re-powered fleet of Baldwin DT-6-6-2000 locomotives. The work was performed at EJ&E's Joliet, Illinois workshops, and produced a finished unit that featured an offset exhaust stack and left-side turbocharger bulge, the latter being much like that found on Baldwin road switchers. The Atlantic Coast Line Railroad had eight of their VO1000s repowered with EMD 567 series engines, which produced 1,200 hp (890 kW). The Great Northern Railway converted four VO-1000s into transfer cabooses in 1964. The units were stripped to their bare frames (the original trucks and distinctive cast steps were left in place) and fitted with 15-foot (4.6 m)-long steel cabins.

The St. Louis – San Francisco Railway also re-powered their VO-1000s with EMD 567C prime movers sometime in the 60s.

In December 1970 the Atchison, Topeka and Santa Fe Railway (following close on the heels of its highly successful CF7 capital rebuilding program) produced a one-of-a-kind switcher locomotive, known to railfans as the "Beep", at its Cleburne, Texas service facility. The company hoped to determine whether or not the remanufacture its ageing, non-EMD end cab switchers by fitting them with new EMD prime movers would be an economically viable proposition. In the end, the conversion procedure proved too costly and only the one unit was modified.

Original owners

Baldwin Locomotive Works (demonstrators)
Quantity:  2
Road numbers:  307, 332
Remarks:  to Spokane, Portland and Seattle Railway 30–31
Quantity:  1
Road numbers:  333
Remarks:  to Central of Georgia Railway 22
Quantity:  1
Road numbers:  334
Remarks:  to Minneapolis and St. Louis D-340.

American Steel and Wire Company
Quantity:  1
Road numbers:  12

Atchison, Topeka and Santa Fe Railway
Quantity:  59
Road numbers:  2201–2259

Atlantic Coast Line Railroad
Quantity:  9
Road numbers:  606–609, 616, 617, 619, 621, 623
Remarks:  Renumbered 10–18.

Baltimore and Ohio Railroad
Quantity:  25
Road numbers:  413–437
Remarks:  Renumbered 9200–9224 at random

Belt Railway of Chicago
Quantity:  2
Road numbers:  401–402

Canton Railroad
Quantity:  2
Road numbers:  30–31
Remarks:  to Patapsco & Back Rivers 331–332.

Central of Georgia Railway
Quantity:  2
Road numbers:  26, 27

Central Railroad of New Jersey
Quantity:  5
Road numbers:  1062–1066

Chicago, Burlington and Quincy Railroad
Quantity:  30
Road numbers:  9350–9379

Chicago, Milwaukee, St. Paul and Pacific Railroad (“Milwaukee Road”)
Quantity:  12
Road numbers:  1680–1691
Remarks:  Renumbered 928–939.

Chicago, Rock Island and Pacific Railroad
Quantity:  5
Road numbers:  760–764

Chicago, St. Paul, Minneapolis and Omaha Railway (“Omaha Road”)
Quantity:  3
Road numbers:  87–89
Remarks:  Re-engined by EMD in 1958.

Chicago and North Western Railway
Quantity:  12
Road numbers:  1024, 1037–1047

Colorado and Wyoming Railway
Quantity:  3
Road numbers:  1107–1109

Chicago Short Line Railway
Quantity:  3
Road numbers:  100–102

Defense Plant Corporation (Carbon County Railway)
Quantity:  2
Road numbers:  262-1, 262-2
Remarks:  to Columbia-Geneva Steel Division, US Steel Nos. 36–37.

Detroit Terminal Railroad
Quantity:  2
Road numbers:  101–102

Elgin, Joliet and Eastern Railway
Quantity:  10
Road numbers:  475–484

Escanaba and Lake Superior Railroad
Quantity:  1
Road numbers:  100

Great Northern Railway
Quantity:  10
Road numbers:  5332–5335, 139–144
Remarks:  5332–5335 Renumbered 132–138.

Iowa Ordnance Plant
Quantity:  1
Road numbers:  1-120
Remarks:  to US War Department 7275.

Kennecott Copper Corporation (Bingham and Garfield Railway)
Quantity:  2
Road numbers:  801, 803

Kentucky and Indiana Terminal
Quantity:  4
Road numbers:  44–47

Lehigh Valley Railroad
Quantity:  5
Road numbers:  135–139

Litchfield and Madison Railway
Quantity:  1
Road numbers:  100
Remarks:  to C&NW No. 86; rebuilt by EMD.

Louisville and Nashville Railroad
Quantity:  9
Road numbers:  2202–2210

Macon, Dublin and Savannah Railroad
Quantity:  1
Road numbers:  1000
Remarks:  to SAL 1492; to SCL 84.

Minneapolis and St. Louis Railway
Quantity:  1
Road numbers:  D-145
Remarks:  Renumbered 103.

Minneapolis, St. Paul and Sault Ste. Marie Railroad
Quantity:  1
Road numbers:  310

Missouri Pacific Railroad
Quantity:  6
Road numbers:  9103, 9117–9119, 9198, 9199

Missouri Pacific Railroad (International-Great Northern Railroad)
Quantity:  3
Road numbers:  9150–9152

Missouri Pacific Railroad (St. Louis, Brownsville and Mexico Railway)
Quantity:  5
Road numbers:  9153–9155, 9160, 9161

Nashville, Chattanooga and St. Louis Railway
Quantity:  6
Road numbers:  15, 30–34

New York Central Railroad
Quantity:  8
Road numbers:  8600–8607
Remarks:  renumbered 9300–9307.

Northern Pacific Railway
Quantity:  28
Road numbers:  108–109, 111-112, 119–124, 153–154, 159–174
Remarks:  Renumbered 400–427 (not in order).

Oliver Iron Mining Company
Quantity:  15
Road numbers:  907–915, 918, 919, 922

Patapsco and Back Rivers Railroad
Quantity:  4
Road numbers:  70–73
Remarks:  Renumbered 326–329.

Pennsylvania Railroad
Quantity:  8
Road numbers:  5913–5920

Phelps Dodge Corporation

Quantity:  2
Road numbers:  9, 10

Philadelphia, Bethlehem and New England Railroad
Quantity:  2
Road numbers:  251, 252
Remarks:  to Patapsco & Back Rivers 328, 330.

Pittsburgh and West Virginia Railway
Quantity:  1
Road numbers:  30
Remarks:  to Patapsco & Back Rivers 355.

Reading Company
Quantity:  24
Road numbers:  55–59, 71–89

St. Louis-San Francisco Railway (“Frisco”)
Quantity:  38
Road numbers:  200–237

St. Louis Southwestern Railway (“Cotton Belt”)
Quantity:  23
Road numbers:  1000–1022
Remarks:  1007 to Texas South-Eastern.

Seaboard Air Line Railroad
Quantity:  7
Road numbers:  1400–1402, 1413–1416
Remarks:  to Seaboard Coast Line 28–30; 37–40.

Southern Pacific Company
Quantity:  25
Road numbers:  1320–1329, 1371–1385

Southern Railway
Quantity:  1
Road numbers:  DS-2205
Remarks:  later renumbered 2205, with no "DS" prefix.

Spokane, Portland and Seattle Railway
Quantity:  3
Road numbers:  32–34

Tennessee Coal, Iron and Railroad Company
Quantity:  4
800–803

Tennessee Eastman Corporation
Quantity: 1
Road numbers:  4

Terminal Railroad Association of St. Louis
Quantity:  11
Road numbers:  591–601

Union Pacific Railroad
Quantity:  6
Road numbers:  1055–1060

Union Railroad
Quantity:  6
Road numbers:  500–505
Remarks:  500,501,505 to Patapsco & Back Rivers Railway; 502 to Universal Iron & Steel; 505 to URR Tack & Maintenance 504; 503 unknown.

United States Navy
Quantity:  40
Road numbers:  varied by location

United States Department of War
Quantity:  26
Road numbers:  7126–7130, 7137–7140, 7143, 7225–7227, 7453–7457, 7461–7464,V-1800, V-1801

Wabash Railroad
Quantity:  4
Road numbers:  300–303

Western Maryland Railway
Quantity:  5
Road numbers:  128–132

Western Pacific Railroad
Quantity:  5
Road numbers:  581–585

Western Railway of Alabama
Quantity:  4
Road numbers:  621–624

Total: 548

Preserved examples include;
B&O No. 412 is operational in Bridgeport, NJ. (ex-USN No. 19)
BOMX No. 32 is preserved at the B&O Railroad Museum in Baltimore, MD. (ex-Canton Railroad Company #32, exx-Patapsco and Back Rivers Railroad No. 331)
CW No. 1107 is preserved at the Museum of the American Railroad in Dallas, TX.
NC&StL No. 36 is preserved at the Tennessee Valley Railroad Museum in Chattanooga, TN. However this engine never served "The Dixie Line", this one served the United States Navy
NKP No. 99 is preserved at the Indiana Transportation Museum in Noblesville, IN.
NNRM No. 801 is being restored in Ely, NV.
OERM No. 8 is preserved at the Orange Empire Railway Museum in Perris, CA.
WMRY No. 132 is preserved at the Hagerstown Roundhouse Museum in Hagerstown, MD.
BLW No. 1200 is preserved at the Railroad Museum of Pennsylvania in Strasburg, PA.

Baldwin VO-1000 Overview
Type and origin
Power type: Diesel-electric
Builder: Baldwin Locomotive Works
Model: VO-1000
Build date: January 1939 – December 1946
Total produced: 548
Specifications
Configuration:
​ • AAR B-B
 • UIC Bo′Bo′
Gauge: 4 ft 8 1⁄2 in (1,435 mm) standard gauge
Length: 48 ft 0 in (14.63 m)
Locomotive weight: 236,260–242,200 lb (107,165.7–109,860.1 kg)
Prime mover: De La Vergne 8-VO
Engine type: Straight-8 Four-stroke diesel
Aspiration: Naturally aspirated, solid injection
Displacement: 1,979 cu in (32.43 L) per cylinder
Displacement: 15,831 cu in (259.42 L) total
Generator: DC generator
Traction motors: DC traction motors
Cylinders: 8
Cylinder size: 12 3⁄4 in × 15 1⁄2 in (324 mm × 394 mm)
Transmission: Electric
Locomotive brake: Straight air
Train brakes: Air
Performance figures
Power output: 1,000 hp (746 kW)
Tractive effort: 59,065–60,550 lbf (262.7–269.3 kN)
Career
Locale: North America

See also:

Baldwin Diesels

Diesel-Electric Locomotives

Lima-Hamilton Diesels

The Beep

A VO-1000 Slideshow.

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