Baldwin DS-4-4-750 Original owners References Navigation menuee

Experimental unitsBaldwin pre-production switchers4-8+8-4-750/8-DEDRS-4-4-1000RS-12DRS-4-4-1500AS-16DRS-6-4-1500AS-416DRS-6-6-1500AS-616DR-12-8-1500/2DR-6 seriesDR-4-4-15RF-16RP-210ALCO BoxcabALCO 600HH600HH660HH900HH1000S-1S-2S-3S-4S-5S-6T-6SB-8/SSB-9H-10-44H-12-44H-12-44TSH-12-46SC, SW, NC, NC1, NC2, NW, NW1, NW1A, NW4, TNW2NW3NW5TR1SW1SW7SW8SW9SW600SW900SW1000SW1001SW1200SW1500SW1504MP15DCMP15ACMP15TRS1325GMD11GS7B2GS14B3GS21B3GS21C


Baldwin locomotivesB-B locomotivesDiesel-electric locomotives of the United StatesRailway locomotives introduced in 1949Standard gauge locomotives of the United States


diesel-electricswitcherBaldwin Locomotive WorksEddystone, PennsylvaniaDS-4-4-660S-8DS-4-4-1000S-12




Baldwin DS-4-4-750










Type and origin
Power typeDiesel-electric
BuilderBaldwin Locomotive Works
ModelDS-4-4-750
Build dateJuly 1949 to February 1951
Total produced53
































Specifications
Configuration:
 • AAR
B-B
 • UIC
B′B′
Gauge
4 ft 8 12 in (1,435 mm)
Prime mover606NA

RPM range
625 rpm max.
Engine type
Four-stroke diesel
Aspiration
Normally aspirated, solid injection
Displacement1,979 cu in (32.43 L) per cylinder
11,874 cu in (194.58 L) total
Generator
DC generator
Traction motorsDC traction motors
CylindersStraight-6
Cylinder size
12 34 in × 15 12 in (324 mm × 394 mm)
TransmissionElectric
Loco brakeAir
Train brakesAir


Performance figures
Power output750 hp (559 kW)


Career
LocaleNorth America

The Baldwin DS-4-4-750 was a four-axle 750 horsepower (560 kW) diesel-electric switcher built by the Baldwin Locomotive Works at it Eddystone, Pennsylvania factory between 1949 and 1951. It was a bridge between the 660 horsepower (490 kW) DS-4-4-660 and the S-8. It was the low power companion in Baldwin's catalog to their DS-4-4-1000 and the S-12.



Original owners






















































RailroadQuantityRoad NumbersNotes

Baldwin Locomotive Works (plant)
1301to Weyerhaeuser Timber Company 301 in 1956; became Texas South-Eastern 301, now R.J. Corman (Texas Line) 301

Baldwin Locomotive Works (demonstrators)
2750–751to Weyerhaeuser Timber Company 101–102
American Cyanamid Company114
American Steel and Wire Company120
Atchison, Topeka and Santa Fe Railway9525–533
California Western Railroad251–52
Erie Railroad4386–389
Pennsylvania Railroad245595–5618
Texas Mexican Railway2509–510
Warner Sand and Gravel114This locomotive is now on the Allentown and Auburn Railroad in Topton PA undergoing restoration
Youngstown Sheet and Tube6608–610, 700–702
Total53

Page 40 of the Dolzall brothers book "Diesels from Eddystone" describes the DR-4-4-750 as a "Horsepower boost for a lagging seller." Baldwin dropped the DR-4-4-660 model and introduced the new 750 HP DR-4-4-750. The Atchison, Topeka & Santa Fe (AT&SF) purchased nine in August 1948 and 21 units were sold in 1949 to six different customers.



References



  • Kirkland, John F. (November 1994). The Diesel Builders volume 3: Baldwin Locomotive Works. Pasadena, California: Interurban Press. ISBN 0-916374-93-9..mw-parser-output cite.citationfont-style:inherit.mw-parser-output .citation qquotes:"""""""'""'".mw-parser-output .citation .cs1-lock-free abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png")no-repeat;background-position:right .1em center.mw-parser-output .citation .cs1-lock-limited a,.mw-parser-output .citation .cs1-lock-registration abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lock-gray-alt-2.svg/9px-Lock-gray-alt-2.svg.png")no-repeat;background-position:right .1em center.mw-parser-output .citation .cs1-lock-subscription abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lock-red-alt-2.svg/9px-Lock-red-alt-2.svg.png")no-repeat;background-position:right .1em center.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registrationcolor:#555.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration spanborder-bottom:1px dotted;cursor:help.mw-parser-output .cs1-ws-icon abackground:url("//upload.wikimedia.org/wikipedia/commons/thumb/4/4c/Wikisource-logo.svg/12px-Wikisource-logo.svg.png")no-repeat;background-position:right .1em center.mw-parser-output code.cs1-codecolor:inherit;background:inherit;border:inherit;padding:inherit.mw-parser-output .cs1-hidden-errordisplay:none;font-size:100%.mw-parser-output .cs1-visible-errorfont-size:100%.mw-parser-output .cs1-maintdisplay:none;color:#33aa33;margin-left:0.3em.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration,.mw-parser-output .cs1-formatfont-size:95%.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-leftpadding-left:0.2em.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-rightpadding-right:0.2em

  • Dolzall, Gary W. and Stephen F. (1984). Diesels From Eddystone: Baldwin Diesel Locomotives. Milwaukee,Wisconsin: Kalmbach Books. ISBN 0-89024-052-3.







B-B locomotives, Baldwin locomotives, Diesel-electric locomotives of the United States, Railway locomotives introduced in 1949, Standard gauge locomotives of the United StatesUncategorized

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