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Baldwin "DS-4-4-1000" Locomotives: Specs, Roster, Data Sheet

Last revised: December 31, 2024

By: Adam Burns

The DS-4-4-1000, was Baldwin's first classified diesel switcher utilizing its own prime mover.  The variant replaced the builder's earlier VO-1000.

Interestingly, Baldwin's more powerful designs sold relatively well while smaller switchers like the DS-4-4-600, VO-660, and DS-4-4-750 were not nearly as popular with railroads.

As it turns out, the industry came to love a switcher ranging from 1,000-1,200 horsepower.  This seemed to be the ideal power setting for switching, branch line, and industrial applications.

Like rival American Locomotive, Baldwin struggled to produce a rugged and reliable road-switcher due to reliability issues. It was here where manufacturers made their money, locomotives aimed at daily freight service.  

The rigors required to produce such a machine were significant and only Electro-Motive proved very successful at such. 

In later years General Electric would as well.  In the end, the mighty Baldwin Locomotive Works, a bastion of the railroad industry since its inception, exited the locomotive market in the 1950's.

Photos

208275287629680268927639879378978.jpgPenn Central DS-4-4-1000 #7960, a former PRR unit, was photographed here by Robert Eastwood, Jr. at Thorndale, Pennsylvania, circa 1969. American-Rails.com collection.

Overview

The DS-4-4-1000 followed its predecessor model, the VO-1000, in 1946 originally using the company's 608NA prime mover which could produce 1,000 horsepower using a B-B truck arrangement (two axles per truck).

Aside from the updated prime mover, the model was virtually identical to the VO1000 with all internal components outsourced to Westinghouse and continued to carry a length of 48 feet.

The builder produced variants with two different prime movers; the 608NA (Normally Aspirated and later 606SC (Supercharged).

Combined, the two were quite successful, selling more than 500 examples to numerous railroads and industries.  This time, Baldwin also found interest in Canadian lines, notably the Canadian Pacific Railway.

Once again, the company's best customer proved to be the Pennsylvania Railroad which bought 136 examples alone.

929020935283572862896039740987.jpgMilwaukee Road DS-4-4-1000 #947 is seen here between assignments at Winona, Minnesota in July, 1968. This unit was built as #1902 in October, 1949. Fred Byerly photo. American-Rails.com collection.

As with the DS-4-4-750, the DS-4-4-1000 ended Baldwin's use of its dizzying classification system.  In its place, the builder introduced a more standardized classification after 1951.

For instance, the S-8 and S-12 models, which replaced the DS-4-4-750 and DS-4-4-1000, used the "S" to signify they were switchers and the numbers designated their horsepower rating, abbreviated. 

Data Sheet and Specifications

Baldwin's 600 series diesel engines used in the DS-4-4-1000 locomotives were broken down as follows:

608NA Prime Mover

  • 60 = 600 Series
  • 8 = 8 Cylinders
  • NA = Normally Aspirated

606SC Prime Mover

  • 60 = 600 Series
  • 6 = 6 Cylinders
  • SC = Supercharged

Prime Movers

608NA

Entered Production6/29/1946 (Reading #34)
Years Produced6/29/1946-1/1/1948
Baldwin ClassDS-4-4-1000
Engine608NA, 8-Cylinder In-Line
Engine BuilderDe La Vergne
Horsepower1000
RPM625
Carbody StylingBaldwin
Length (Between Coupler Pulling Faces)48'
Weight240,000 Lbs
Height (Top Of Rail To Top Of Cab)14'
Width10'
TrucksB-B
Truck TypeGSC Rigid Bolster, Drop-Side Equalizer
Truck Wheelbase8'
Wheel Size40"
Traction Motors362D (4), Westinghouse
Traction Generator480D, Westinghouse
Auxiliary GeneratorYG40D, Westinghouse
Gear Ratio16:76
Tractive Effort Rating33,600 Lbs at 8.3 MPH.
Top Speed45 MPH

606SC

Entered Production1/28/1948 (Erie #602)
Years Produced1/28/1948-1/19/1951
Baldwin ClassDS-4-4-1000
Engine606SC, 6-Cylinder In-Line, Supercharged
Engine BuilderDe La Vergne
TurbochargerModel BF40 (American Locomotive) / Model BF34 (Elliott Company)
Horsepower1000
RPM625
Carbody StylingBaldwin
Length (Between Coupler Pulling Faces)48'
Weight240,000 Lbs
Height (Top Of Rail To Top Of Cab)14'
Width10'
TrucksB-B
Truck TypeGSC Rigid Bolster, Drop-Side Equalizer
Truck Wheelbase8'
Wheel Size40"
Traction Motors362D (4), Westinghouse
Traction Generator480D, Westinghouse
Auxiliary GeneratorYG40D, Westinghouse
Gear Ratio16:76
Tractive Effort Rating33,600 Lbs at 8.3 MPH.
Top Speed45 MPH

Production Rosters

Total Built = 502

608NA

Owner Road Number Baldwin Serial Number Construction Number Completion Date
Reading Railroad34548722326/29/1946
Seaboard Air Line1417549722336/24/1946
Reading Railroad35 (2nd)550722346/29/1946
Seaboard Air Line1418554727917/23/1946
Seaboard Air Line1419555727947/24/1946
Reading36 (2nd)556727937/27/1946
Reading37557727947/28/1946
Missouri-Kansas-Texas (Katy)1000558727958/14/1946
Missouri-Kansas-Texas (Katy)1001559727968/15/1946
Missouri-Kansas-Texas (Katy)1002560727978/28/1946
Missouri-Kansas-Texas (Katy)1003561727988/29/1946
Missouri-Kansas-Texas (Katy)1004562727999/2/1946
Missouri-Kansas-Texas (Katy)1005563728009/2/1946
Reading Railroad38564728018/25/1946
Reading Railroad39565728028/25/1946
Seaboard Air Line1420566728039/5/1946
Seaboard Air Line1421567728049/16/1946
Seaboard Air Line1422568728059/18/1946
Seaboard Air Line1423569728069/19/1946
Seaboard Air Line14245707280710/5/1946
Erie Railroad6005717280811/27/1946
Erie Railroad6015727280912/20/1946
Western Maryland1335737281012/18/1946
Western Maryland1345747281112/28/1946
Detroit Terminal103575728121/27/1947
Norfolk Southern (Original)1001576728321/21/1947
Norfolk Southern (Original)1002577728331/22/1947
Missouri-Kansas-Texas (Katy)1006578728342/28/1947
Missouri-Kansas-Texas (Katy)1007579728352/21/1947
Missouri-Kansas-Texas (Katy)1008580728362/19/1947
Missouri-Kansas-Texas (Katy)1009581728372/19/1947
Missouri-Kansas-Texas (Katy)1010582728383/10/1947
Copper Range Railroad100583728394/7/1947
Copper Range Railroad101584728404/17/1947
Reading Railroad26585728414/25/1947
Reading Railroad27586728425/12/1947
Reading Railroad28587728438/8/1947
Reading Railroad29588728449/1/1947
Reading Railroad30589728459/9/1947
Reading Railroad31590728469/10/1947
Reading Railroad32591728479/19/1947
Reading Railroad335927284810/1/1947
New York, Chicago & St. Louis (Nickel Plate)1005937289410/28/1947
New York, Chicago & St. Louis (Nickel Plate)1015947285010/30/1947
Columbia-Geneva Steel Division (U.S. Steel)21595728517/23/1947
Columbia-Geneva Steel Division (U.S. Steel)22596728527/22/1947
Columbia-Geneva Steel Division (U.S. Steel)235977285312/4/1947
Columbia-Geneva Steel Division (U.S. Steel)245987285412/3/1947
Columbia-Geneva Steel Division (U.S. Steel)255997285512/14/1947
Columbia-Geneva Steel Division (U.S. Steel)266007285612/9/1947
Belt Railway Of Chicago405601734817/12/1947
St. Louis Southwestern (Cotton Belt)10236027348212/13/1947
St. Louis Southwestern (Cotton Belt)1024603734831/4/1948
St. Louis Southwestern (Cotton Belt)1025604734841/4/1948
St. Louis Southwestern (Cotton Belt)1026605734851/1/1948
St. Louis Southwestern (Cotton Belt)1027606734861/1/1948

606SC

Owner Road Number Baldwin Serial Number Construction Number Completion Date
Erie Railroad602607735681/28/1948
Erie Railroad603608735692/7/1948
Erie Railroad604609735702/8/1948
Patapsco & Back Rivers337610735713/2/1948
Patapsco & Back Rivers338611735723/4/1948
Patapsco & Back Rivers339612735733/8/1948
Patapsco & Back Rivers340613735743/9/1948
Patapsco & Back Rivers341614735753/22/1948
Atchison, Topeka & Santa Fe2260615735762/23/1948
Atchison, Topeka & Santa Fe2261616735772/23/1948
Atchison, Topeka & Santa Fe2262617735782/15/1948
Atchison, Topeka & Santa Fe2263618735792/15/1948
Atchison, Topeka & Santa Fe2264619735803/3/1948
Atchison, Topeka & Santa Fe2265620735813/3/1948
Missouri Pacific9120621735822/21/1948
Missouri Pacific9121622735832/21/1948
Missouri Pacific9122623735842/20/1948
Missouri Pacific9167624735853/18/1948
Pennsylvania5968625735863/19/1948
Pennsylvania5969626735873/20/1948
Pennsylvania5970627735883/23/1948
Pennsylvania5971628735893/24/1948
Pennsylvania5972629735903/25/1948
Pennsylvania5973630735913/26/1948
Pennsylvania5974631735923/27/1948
Pennsylvania5975632735934/1/1948
Pennsylvania5976633735944/2/1948
Pennsylvania5977634735954/3/1948
Pennsylvania9177635735964/7/1948
Pennsylvania9178636735974/8/1948
Pennsylvania9179637735984/11/1948
Pennsylvania9180638735994/18/1948
Pennsylvania9181639736004/18/1948
Pennsylvania9182640736015/15/1948
Pennsylvania9183641736024/18/1948
Pennsylvania5978642736035/20/1948
Pennsylvania5979643736045/20/1948
Akron & Barberton Belt26644736053/19/1948
Columbia-Geneva Steel Division (U.S. Steel)27645736066/15/1948
Columbia-Geneva Steel Division (U.S. Steel)28646736076/13/1948
Columbia-Geneva Steel Division (U.S. Steel)29647736086/18/1948
Columbia-Geneva Steel Division (U.S. Steel)30648736096/22/1948
Columbia-Geneva Steel Division (U.S. Steel)31649736106/27/1948
Columbia-Geneva Steel Division (U.S. Steel)32650736117/5/1948
Long Island Rail Road450651736124/26/1948
Carnegie Steel (U.S. Steel)74652736136/16/1948
Carnegie Steel (U.S. Steel)75653736146/11/1948
Pennsylvania9122655736166/16/1948
Pennsylvania9123656736176/18/1948
Pennsylvania9124657737536/19/1948
Pennsylvania9125658737546/23/1948
Pennsylvania9126659737557/2/1948
Pennsylvania9127660737567/7/1948
Pennsylvania9128661737577/21/1948
Pennsylvania9129662737587/22/1948
Pennsylvania9130663737597/23/1948
Pennsylvania9131664737607/24/1948
Pennsylvania9132665737617/25/1948
Pennsylvania9133666737627/27/1948
Pennsylvania9134667737637/27/1948
Pennsylvania9135668737647/28/1948
Pennsylvania9136669737658/1/1948
Erie Railroad605670737666/14/1948
Erie Railroad606671737676/14/1948
Union PacificDS1206672737689/7/1948
Union PacificDS1207673737699/7/1948
Union PacificDS1208674737709/11/1948
Union PacificDS1209675737719/7/1948
Union PacificDS1210676737729/11/1948
Oakland Terminal101677737737/20/1948
Reading700678737749/18/1948
Reading701679737759/18/1948
Reading702680737769/22/1948
Reading703681737779/23/1948
Reading704682737789/22/1948
Reading705683737799/22/1948
Reading706684737809/23/1948
Reading707685737819/24/1948
Reading708686737829/24/1948
Reading709687737839/28/1948
Reading710688737849/28/1948
Reading7116897378510/2/1948
Reading7126907378610/6/1948
Reading7136917378710/8/1948
Reading7146927378810/8/1948
Atchison, Topeka & Santa Fe2266693737899/25/1948
Atchison, Topeka & Santa Fe2267694737909/26/1948
Atchison, Topeka & Santa Fe2268695737919/24/1948
Atchison, Topeka & Santa Fe2269696737929/25/1948
Atchison, Topeka & Santa Fe22706977379310/5/1948
Atchison, Topeka & Santa Fe22716987379410/5/1948
Atchison, Topeka & Santa Fe22726997379510/19/1948
Atchison, Topeka & Santa Fe22737007379610/22/1948
Atchison, Topeka & Santa Fe22747017379710/19/1948
Atchison, Topeka & Santa Fe22757027379810/19/1948
Atchison, Topeka & Santa Fe22767037379910/24/1948
Atchison, Topeka & Santa Fe22777047380010/21/1948
Atchison, Topeka & Santa Fe22787057380110/21/1948
Canadian Pacific7065706738023/4/1948
Baltimore & Ohio4387077383910/27/1948
Baltimore & Ohio4397087384010/28/1948
Baltimore & Ohio4407097384110/28/1948
Baltimore & Ohio4417107384211/4/1948
Baltimore & Ohio4427117384311/5/1948
Baltimore & Ohio4437127384411/3/1948
Baltimore & Ohio4447137384511/3/1948
Baltimore & Ohio4457147384611/4/1948
Baltimore & Ohio4467157384711/12/1948
Baltimore & Ohio4477167384811/10/1948
Baltimore & Ohio4487177384911/13/1948
Baltimore & Ohio4497187385011/12/1948
Baltimore & Ohio4507197385111/12/1948
Baltimore & Ohio4517207385211/14/1948
Baltimore & Ohio4527217385311/13/1948
Baltimore & Ohio4537227385411/13/1948
Baltimore & Ohio4547237385511/12/1948
Baltimore & Ohio4557247385611/14/1948
Baltimore & Ohio4567257385711/15/1948
Baltimore & Ohio4577267385811/17/1948
Baltimore & Ohio4587277385911/16/1948
Baltimore & Ohio4597287386012/20/1948
Baltimore & Ohio4607297386112/24/1948
Baltimore & Ohio4617307386212/23/1948
Baltimore & Ohio4627317386312/25/1948
Pennsylvania92517327386412/20/1948
Pennsylvania92527337386512/22/1948
Pennsylvania9253734738661/4/1949
Pennsylvania92547357386712/30/1948
Pennsylvania9255736738681/4/1949
Pennsylvania9256737738691/6/1949
Pennsylvania9257738738701/7/1949
Pennsylvania9258739738711/10/1949
Pennsylvania9259740738721/3/1949
Pennsylvania9260741738731/3/1949
Pennsylvania9261742738741/5/1949
Pennsylvania9262743738751/6/1949
Pennsylvania9263744738761/11/1949
Pennsylvania9264745738771/9/1949
Pennsylvania9265746738781/12/1949
Pennsylvania9266747738791/19/1949
Pennsylvania9267748738801/11/1949
Pennsylvania9268749738812/17/1949
Pennsylvania9269750738822/2/1949
Pennsylvania9270751738831/27/1949
Pennsylvania9271752738842/25/1949
Pennsylvania9272753738852/2/1949
Pennsylvania9273754738861/18/1949
Pennsylvania9274755738872/4/1949
Pennsylvania9275756738881/19/1949
Chicago Great Western32757739142/6/1949
Chicago Great Western33758739152/6/1949
St. Louis-San Francisco (Frisco)2387597391612/4/1948
St. Louis-San Francisco (Frisco)2397607391712/6/1948
St. Louis-San Francisco (Frisco)2407617391812/9/1948
St. Louis-San Francisco (Frisco)2417627391912/8/1948
Chicago, Milwaukee, St. Paul & Pacific (Milwaukee Road)16927637392011/7/1948
Chicago, Milwaukee, St. Paul & Pacific (Milwaukee Road)16937647392111/7/1948
Chicago, Milwaukee, St. Paul & Pacific (Milwaukee Road)16947657392211/6/1948
Chicago, Milwaukee, St. Paul & Pacific (Milwaukee Road)16957667392311/7/1948
Chicago, Milwaukee, St. Paul & Pacific (Milwaukee Road)16967677392411/27/1948
Chicago, Milwaukee, St. Paul & Pacific (Milwaukee Road)16977687392511/27/1948
Kentucky & Indiana Terminal537697392610/2/1948
Kentucky & Indiana Terminal54770739279/30/1948
Southern Railway22857717392811/23/1948
Southern Railway22867727392911/23/1948
Southern Railway22877737393011/22/1948
Southern Railway22887747393111/24/1948
Southern Railway22897757393211/25/1948
Southern Pacific1393776739339/3/1948
Southern Pacific1394777739349/22/1948
Southern Pacific1395778739359/12/1948
Southern Pacific1396779739369/12/1948
Southern Pacific1397780739379/11/1948
Southern Pacific1398781739389/18/1948
Southern Pacific1399782739399/17/1948
Southern Pacific1400783739409/18/1948
Southern Pacific1401784739419/20/1948
Southern Pacific1402785739429/27/1948
Canadian Pacific70667867394310/19/1948
Canadian Pacific70677877394410/19/1948
Canadian Pacific70687887394510/18/1948
Canadian Pacific70697897394610/18/1948
Canadian Pacific70707907394711/15/1948
Canadian Pacific70717917394811/5/1948
Canadian Pacific70727927394911/6/1948
Canadian Pacific70737937395010/28/1948
Canadian Pacific70747947395111/5/1948
Canadian Pacific70757957395211/5/1948
Ironton Railroad7507967395310/23/1948
American Smelting & Refining Company101797739549/15/1948
Wabash304798739551/16/1949
Calumet & Hecla Mining Company201799739568/19/1948
Calumet & Hecla Mining Company202800739578/17/1948
Bessemer & Lake Erie282801739583/25/1949
Erie Railroad607802739593/1/1949
Erie Railroad608803739603/5/1949
Terminal Railroad Association Of St. Louis602804739613/19/1949
Terminal Railroad Association Of St. Louis603805739623/10/1949
Missouri Pacific9133806739633/14/1949
Atchison, Topeka & Santa Fe2279807740733/16/1949
Atchison, Topeka & Santa Fe2280808740743/18/1949
Atchison, Topeka & Santa Fe2281809740753/31/1949
Atchison, Topeka & Santa Fe2282810740763/31/1949
Atchison, Topeka & Santa Fe2283811740773/21/1949
Atchison, Topeka & Santa Fe2284812740783/23/1949
Atchison, Topeka & Santa Fe2285813740793/22/1949
Atchison, Topeka & Santa Fe2286814740803/25/1949
Atchison, Topeka & Santa Fe2287815740813/29/1949
Atchison, Topeka & Santa Fe2288816740823/29/1949
Chicago & North Western1018817740833/14/1949
Chicago & North Western1019818740843/8/1949
Chicago & North Western1020819740853/9/1949
Chicago & North Western1021820740863/14/1949
Chicago & North Western1022821740874/16/1949
Chicago, St. Paul, Minneapolis & Omaha (C&NW)99822740883/16/1949
Chicago, St. Paul, Minneapolis & Omaha (C&NW)100823740893/17/1949
Missouri Pacific9124824740903/21/1949
Missouri Pacific9125825740914/11/1949
Missouri Pacific9126826740923/21/1949
Missouri Pacific9127827740934/11/1949
St. Louis, Brownsville & Mexico (MP)9162828740943/30/1949
St. Louis, Brownsville & Mexico (MP)9163829740953/30/1949
St. Louis, Brownsville & Mexico (MP)9164830740963/28/1949
St. Louis, Brownsville & Mexico (MP)9165831740973/26/1949
St. Louis, Brownsville & Mexico (MP)9166832740984/9/1949
St. Louis, Brownsville & Mexico (MP)9167833740994/22/1949
Pennsylvania9050834741003/3/1949
Pennsylvania9051835741013/11/1949
Pennsylvania9052836741023/3/1949
Pennsylvania9053837741033/31/1949
Pennsylvania9054838741043/30/1949
Pennsylvania9055839741053/30/1949
Pennsylvania9056840741064/5/1949
Pennsylvania9057841741073/31/1949
Pennsylvania9058842741083/30/1949
Pennsylvania9059843741093/30/1949
Pennsylvania9060844741104/5/1949
Pennsylvania9061845741114/5/1949
Pennsylvania9062846741124/6/1949
Pennsylvania9063847741134/7/1949
Pennsylvania9064848741144/7/1949
Pennsylvania9065849741154/1/1949
Pennsylvania9066850741164/2/1949
Pennsylvania9067851741174/6/1949
Pennsylvania9068852741184/13/1949
Pennsylvania9069853741194/20/1949
Pennsylvania9070854741204/14/1949
Pennsylvania9071855741214/21/1949
Pennsylvania9072856741224/17/1949
Pennsylvania9073857741794/22/1949
Pennsylvania9074858741804/22/1949
Pennsylvania9075859741814/22/1949
Pennsylvania9076860741824/24/1949
Pennsylvania9077861741834/25/1949
Pennsylvania9078862741845/7/1949
Pennsylvania9079863741854/27/1949
Minneapolis, St. Paul & Sault Ste. Marie (Soo Line)311864741866/22/1949
Minneapolis, St. Paul & Sault Ste. Marie (Soo Line)312865741876/21/1949
Oliver Iron Mining Company928866741886/29/1949
Oliver Iron Mining Company929867741896/6/1949
Oliver Iron Mining Company930868741906/6/1949
Oliver Iron Mining Company931869741917/8/1949
Oliver Iron Mining Company932870741927/12/1949
U.S. Army Corps Of EngineersW8380871741938/9/1949
Central Of Georgia36872741948/6/1949
Pennsylvania5585873741972/7/1950
Erie Railroad616874741969/12/1949
Central Of Georgia378757419510/24/1949
Pennsylvania5566876741981/6/1950
Pennsylvania5567877741991/5/1950
Pennsylvania5568878742001/11/1950
Pennsylvania5569879742011/11/1950
Pennsylvania5570880742021/11/1950
Erie Railroad609881742036/20/1949
Erie Railroad610882742046/2/1949
Georgia Railroad921883742056/2/1949
Atchison, Topeka & Santa Fe2289884742066/1/1949
Atchison, Topeka & Santa Fe2290885742076/1/1949
Atchison, Topeka & Santa Fe2291886742086/8/1949
Atchison, Topeka & Santa Fe2292887742096/8/1949
Atchison, Topeka & Santa Fe2293888742106/6/1949
Atchison, Topeka & Santa Fe2294889742116/9/1949
Atchison, Topeka & Santa Fe2295890742126/7/1949
Atchison, Topeka & Santa Fe2296891742136/7/1949
Atchison, Topeka & Santa Fe2297892742146/15/1949
Atchison, Topeka & Santa Fe2298893742226/16/1949
Atchison, Topeka & Santa Fe2299894742246/16/1949
Atchison, Topeka & Santa Fe2200 (2nd)895742236/17/1949
Chicago Great Western34896742257/9/1949
Chicago Great Western35897742267/16/1949
Chicago Great Western36898742277/9/1949
Chicago Great Western37899742287/7/1949
Chicago Great Western38900742297/7/1949
Chicago Great Western39901742307/5/1949
Chicago Great Western40902742317/5/1949
Chicago Great Western41903742327/6/1949
Western Railway Of Alabama6309047423311/1/1949
Lehigh Valley140905742346/28/1949
Lehigh Valley141906742356/28/1949
Atlanta & West Point676907745964/22/1949
Atlanta & West Point677908745974/23/1949
Lehigh Valley142909745986/28/1949
Lehigh Valley143910745996/29/1949
Ironton Railroad751911746007/7/1949
Reading715912746017/15/1949
Reading716913746027/15/1949
Reading717914746037/17/1949
Reading718915746047/17/1949
Reading719916746057/18/1949
Reading720917746067/18/1949
Reading721918746079/7/1949
Reading722919746089/7/1949
Reading723920746099/7/1949
Reading724921746109/8/1949
Reading725922746119/8/1949
Reading726923746127/9/1949
Reading727924746137/9/1949
Reading728925746147/14/1949
Reading729926746157/13/1949
Erie Railroad611927746168/1/1949
Erie Railroad612928746177/25/1949
Erie Railroad613929746187/25/1949
Erie Railroad614930746197/26/1949
Erie Railroad615931746208/2/1949
Pennsylvania5571932746211/10/1950
Pennsylvania5572933746221/16/1950
Pennsylvania5573934746231/17/1950
Pennsylvania5574935746241/13/1950
Pennsylvania5575936746251/13/1950
Pennsylvania5576937746261/17/1950
Lehigh Valley144938746271/18/1950
Lehigh Valley145939746281/18/1950
Lehigh Valley146940746291/19/1950
Lehigh Valley147941746301/19/1950
Lehigh Valley148942746312/24/1950
Chicago, Milwaukee, St. Paul & Pacific (Milwaukee Road)19019437463210/31/1949
Chicago, Milwaukee, St. Paul & Pacific (Milwaukee Road)19029447463310/31/1949
Chicago, Milwaukee, St. Paul & Pacific (Milwaukee Road)19039457463410/31/1949
Chicago, Milwaukee, St. Paul & Pacific (Milwaukee Road)19049467463510/31/1949
Pennsylvania5577947746361/17/1950
American Smelting & Refining Company102948746372/27/1950
Pennsylvania5551949746382/1/1950
Pennsylvania5552950746392/6/1950
Baldwin Locomotive Works100DF9517464012/23/1949
Pennsylvania5553952746412/2/1950
Pennsylvania5554953746422/3/1950
Pennsylvania5555954746432/1/1950
Pennsylvania5556955746442/1/1950
Pennsylvania5557956746452/1/1950
Patapsco & Back Rivers3429577464812/23/1949
Patapsco & Back Rivers3439587464912/27/1949
Patapsco & Back Rivers3449597465012/29/1949
Pennsylvania5558960746512/17/1950
Pennsylvania5559961746522/17/1950
Pennsylvania5560962746532/21/1950
Pennsylvania5561963746542/23/1950
Pennsylvania5562964746552/23/1950
Pennsylvania5563965746562/28/1950
Pennsylvania5564966746572/28/1950
Pennsylvania5565967746583/1/1950
Pennsylvania5578968746594/6/1950
Pennsylvania5579969746604/7/1950
Pennsylvania5580970746614/7/1950
Pennsylvania5581971746624/13/1950
Pennsylvania5582972746634/14/1950
Pennsylvania5583973746644/18/1950
Pennsylvania5584974746654/19/1950
Pennsylvania5586975746662/6/1950
Pennsylvania5587976747042/8/1950
Pennsylvania5588977747052/8/1950
Pennsylvania5589978747062/9/1950
Pennsylvania5590979747072/10/1950
Pennsylvania9429980747085/15/1950
Pennsylvania9430981747095/15/1950
Pennsylvania9431982747105/18/1950
Pennsylvania9432983747115/18/1950
Pennsylvania9433984747125/25/1950
Pennsylvania9434985747135/25/1950
Pennsylvania5550986747593/2/1950
Seaboard Air Line1435987747602/15/1950
Seaboard Air Line1436988747612/15/1950
Seaboard Air Line1437989747622/15/1950
St. Louis, Brownsville & Mexico (MP)9148990-3/24/1950
St. Louis, Brownsville & Mexico (MP)9149991-3/24/1950
Missouri Pacific9133992747653/24/1950
Missouri Pacific9134993747663/24/1950
Missouri Pacific9135994747673/24/1950
Missouri Pacific9136995747683/24/1950
Missouri Pacific9137996747693/24/1950
Missouri Pacific9138997747703/28/1950
Missouri Pacific9139998747714/3/1950
Missouri Pacific9140999747724/11/1950
Missouri Pacific91411000747734/13/1950
Central Railroad Of New Jersey10721001747744/28/1950
Central Railroad Of New Jersey10731002747754/28/1950
Central Railroad Of New Jersey10741003747764/28/1950
U.S. Army Corps Of EngineersL-41004-5/11/1950
Baltimore & Ohio3761005747787/14/1950
Baltimore & Ohio3771006747887/14/1950
Baltimore & Ohio3781007747897/14/1950
Baltimore & Ohio3791008747907/14/1950
Baltimore & Ohio3801009747917/14/1950
Baltimore & Ohio3811010747927/14/1950
Seaboard Air Line14381011747938/3/1950
Seaboard Air Line14391012747948/3/1950
Seaboard Air Line14401013747958/4/1950
Seaboard Air Line14411014747968/4/1950
Seaboard Air Line14421015747978/7/1950
Seaboard Air Line14431016747988/9/1950
Baltimore & Ohio3821017747998/23/1950
Baltimore & Ohio3831018748008/23/1950
Baltimore & Ohio3841019748818/25/1950
Baltimore & Ohio3851020748828/25/1950
Seaboard Air Line14441021748838/8/1950
Seaboard Air Line14451022748848/9/1950
Seaboard Air Line14461023748858/10/1950
Seaboard Air Line14471024748868/11/1950
Seaboard Air Line14481025748878/16/1950
Seaboard Air Line14491026748888/17/1950
Seaboard Air Line14501027748898/18/1950
Seaboard Air Line14511028748908/21/1950
Baltimore & Ohio3861029749378/28/1950
Baltimore & Ohio3871030749388/28/1950
Baltimore & Ohio3881031749398/30/1950
Baltimore & Ohio3891032749408/30/1950
Baltimore & Ohio3901033749418/31/1950
Baltimore & Ohio3911034749428/31/1950
Baltimore & Ohio3921035749439/22/1950
Baltimore & Ohio3931036749449/22/1950
Baltimore & Ohio39410377494510/5/1950
Baltimore & Ohio39510387494610/5/1950
Baltimore & Ohio39610397494710/6/1950
Baltimore & Ohio39710407494810/6/1950
Baltimore & Ohio39810417494910/13/1950
Baltimore & Ohio39910427495010/13/1950
Seaboard Air Line145210437509810/30/1950
Seaboard Air Line145310447509910/31/1950
Seaboard Air Line145410457510010/31/1950
Seaboard Air Line145510467510111/1/1950
Seaboard Air Line145610477510211/10/1950
Seaboard Air Line145710487510312/8/1950
Seaboard Air Line145810497510412/12/1950
Seaboard Air Line14591050751051/11/1951
Seaboard Air Line14601051751061/18/1951
Seaboard Air Line14611052751071/19/1951

Sources

  • Foster, Gerald. A Field Guide To Trains. New York: Houghton Mifflin, 1996.
  • Kirkland, John F. Diesel Builders, The:  Volume Three, Baldwin Locomotive Works. Pasadena: Interurban Press, 1994.
  • Pinkepank, Jerry A. Diesel Spotter's Guide.  Milwaukee: Kalmbach Publishing Company, 1967.
  • Solomon, Brian.  Baldwin Locomotives.  Minneapolis:  Voyageur Press, 2009.

Because so many DS-4-4-1000s were built, a handful are preserved including:

  • Santa Fe #2260

  • Canadian Pacific #7069

  • Missouri-Kansas-Texas #106

  • Oakland Terminal #101

  •  Reading #702

Additionally, short line SMS Lines, which fleets a large collection of Baldwins preferring their incredible ability to pull operations former Copper Range #101 and PRR #9069. 

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