Baldwin VO-660

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Baldwin VO-660
Type and origin
Power type Diesel-electric
Builder Baldwin Locomotive Works
Model VO-660
Build date April 1939 – May 1946
Total produced 142
Specifications
AAR wheel arr. B-B
Gauge 4 ft 8 12 in (1,435 mm) standard gauge
Length 48 ft 0 in (14.63 m)
Loco weight 197,520–203,980 lb (89,600–92,500 kg)
Prime mover De La Verne VO
RPM range 625 rpm max.
Engine type Straight-6 Four-stroke diesel
Aspiration Normally aspirated, solid fuel injection
Displacement 1,979 cu in (32.43 l) per cylinder
11,874 cu in (194.58 L) total
Generator DC generator
Traction motors DC traction motors
Cylinders 6
Cylinder size 12.75 in × 15.5 in (324 mm × 394 mm)
Transmission Electric
Loco brake Straight air
Train brakes Air
Performance figures
Power output 660 hp (490 kW)
Tractive effort 49,380–50,995 lbf (219.65–226.84 kN)
Career
Locale North America, Cuba

The Baldwin VO-660 was a diesel-electric locomotive switcher built by Baldwin Locomotive Works between April, 1939 and May, 1946. The 197,520–203,980 lb (89,600–92,500 kg) units were powered by a six-cylinder diesel engine rated at 660 horsepower (492 kW), and rode on two-axle AAR Type-A switcher trucks in a B-B wheel arrangement. 142 examples of this model were built for American railroads, along with the United States Navy. Baldwin replaced the VO-660 with the model DS-4-4-660 in 1946.

In the early 1960s the Reading Company sent all 10 of their VO-660s to General Motors Electro-Motive Division to have them rebuilt to SW900 specifications. These locomotives received new frames, cabs, and carbodies, and reused only the trucks and batteries from the VO-660's. [1] Only four intact examples of the VO-660 are known to survive today. One was built as Baldwin 335, the first production VO-660. It was sold by the Altoona Railroaders Memorial Museum to SMS Lines to be repaired and put back into operation. SMS also owns the former Warner 11, which is being restored before being put into service. The others are Pickens Railway #2, built in 1946, and Wyandotte Terminal 103, at the Illinois Railway Museum. Those two are inoperable at the present time.

Units produced[edit]

Railroad   Quantity   Road numbers Notes
Baldwin Locomotive Works (pre-production units)
1
299
Used as BLW plant switcher
1
62300
to Reading 60
Baldwin Locomotive Works (demonstrator)
1
335
first production VO-660; to Standard Steel Division of Baldwin Locomotive Works 12, to Altoona Railroaders Museum, to SMS Rail Lines, under restoration to active service
1
336
to Elgin, Joliet and Eastern 270
1
337
to Central of Georgia Railway
Akron and Barberton Belt Railroad
1
25
American Smelting and Refining Company (ASARCO)
4
1950–1953
American Steel and Wire Company
3
1, 11, 23-1
Basic Magnesium, Inc.
1
1000
Central Railroad of New Jersey
4
1040–1043
Chicago and Eastern Illinois Railroad
1
110
Chicago and North Western Railway
10
1237–1246
Chicago, Milwaukee, St. Paul and Pacific Railroad (“Milwaukee Road”)
1
1649
Renumbered 1635, later renumbered 985
Chicago, St. Paul, Minneapolis and Omaha Railway (“Omaha Road”)
3
58, 59, 68
Denver and Rio Grande Western Railroad
9
66–74
Elgin, Joliet and Eastern Railway
2
271, 272
Francisco Sugar Company, (Cuba)
1
45
Iowa Ordnance Plant
1
2-100
to US War Dept 7276
Kansas City Southern Railway
1
1150
La Salle and Bureau County Railroad
1
6
Long Island Rail Road
1
403
Louisville and Nashville Railroad
4
20–23
Minneapolis, Northfield and Southern Railway
1
600
Renumbered 60
Minnesota Western Railway
1
1
to MNS 1
Missouri Pacific Railroad
4
9009, 9010, 9012, 9026
Nashville, Chattanooga and St. Louis Railway
1
10
New Orleans Public Belt Railroad
3
41–43
New York Central Railroad
12
501–502, 752–761
501–502 renumbered 750–751
Northern Pacific Railway
3
128–130
Renumbered 650–652
Patapsco and Back Rivers Railroad
3
63–65
Renumbered 301–303
Pennsylvania Railroad
12
5907–5909, 5932–5937, 5941–5943
Procter and Gamble
1
125
Used at Port Ivory, Staten Island, NY
Reading Company
10
61–70
St. Louis-San Francisco Railway
2
600–601
Seaboard Air Line Railroad
1
1202
Singer Manufacturing Company
1
2
to Pickens Railway #2, stored out of service on line
Southern Pacific Company
2
1021–1022
Southern Railway
1
DS2005
Terminal Railroad Association of St. Louis
4
531–534
Union Terminal Railway of Memphis (Missouri Pacific Railroad)
2
9090–9091
United States Navy
6
10, 11, 15, 16, 18, 31
Upper Merion and Plymouth Railroad
2
51–52
Wabash Railroad
1
200
Warner Company
1
11
to New Hope & Ivyland 395, to SMS Rail Lines 11; under restoration
Western Maryland Railway
4
101, 103–105
Westinghouse Electric and Manufacturing Company
1
10
Wyandotte Terminal Railroad
3
101–103
103 preserved at Illinois Railway Museum
Youngstown Sheet and Tube
8
600–607
Total 143

References[edit]

  1. ^ http://www.webcitation.org/query?url=http://www.geocities.com/ironhorseusa2000/vo660.htm%23info&date=2009-10-26+00:34:01
  • Pinkepank, Jerry A. (1973). The Second Diesel Spotter's Guide. Milwaukee, WI: Kalmbach Publishing Co. ISBN 0-89024-026-4. 

External links[edit]