Baldwin DR-4-4-15
Encyclopedia
The Baldwin DR-4-4-15 was a 1500 hp cab unit
-type diesel locomotive
built for freight service by the Baldwin Locomotive Works
between November 1947 and June 1950. It was produced in two different body types, nicknamed the "Babyface" and "Sharknose
" styles by railfan
s, though Baldwin used the same model number for both. 22 "Babyface" cab-equipped A unit
s were built, along with 11 cabless booster B unit
s; 36 "Sharknose" A units and 36 B units were constructed, making a total for all models of 105 locomotives built.
Cab unit
A cab unit and a carbody unit are body styles of locomotives in railroad terminology. While closely related, they are not exactly the same....
-type diesel locomotive
Diesel locomotive
A diesel locomotive is a type of railroad locomotive in which the prime mover is a diesel engine, a reciprocating engine operating on the Diesel cycle as invented by Dr. Rudolf Diesel...
built for freight service by the Baldwin Locomotive Works
Baldwin Locomotive Works
The Baldwin Locomotive Works was an American builder of railroad locomotives. It was located in Philadelphia, Pennsylvania, originally, and later in nearby Eddystone, Pennsylvania. Although the company was very successful as a producer of steam locomotives, its transition to the production of...
between November 1947 and June 1950. It was produced in two different body types, nicknamed the "Babyface" and "Sharknose
Sharknose
Sharknose is a term applied by railfans to the styling of several cab unit diesel locomotives built by the Baldwin Locomotive Works to the specifications of the Pennsylvania Railroad. The styling was by the PRR's preferred designer, Raymond Loewy, with the distinctive nose reminiscent of his...
" styles by railfan
Railfan
A railfan or rail buff , railway enthusiast or railway buff , or trainspotter , is a person interested in a recreational capacity in rail transport...
s, though Baldwin used the same model number for both. 22 "Babyface" cab-equipped A unit
A unit
An A unit, in railroad terminology, is a locomotive equipped with a driving cab, or crew compartment, and the control system to control other locomotives in a multiple unit, and therefore able to be the lead unit in a consist of several locomotives controlled from a single position...
s were built, along with 11 cabless booster B unit
B unit
A "B" unit, in railroad terminology, is a locomotive unit which does not have a driving cab, or crew compartment, and must therefore be controlled from another, coupled locomotive with a driving cab . The term booster unit is also used. The concept was largely confined to North America...
s; 36 "Sharknose" A units and 36 B units were constructed, making a total for all models of 105 locomotives built.
"Babyface" units produced (1947–1948)
| Railroad | Quantity A unit A unit An A unit, in railroad terminology, is a locomotive equipped with a driving cab, or crew compartment, and the control system to control other locomotives in a multiple unit, and therefore able to be the lead unit in a consist of several locomotives controlled from a single position... s |
Quantity B unit B unit A "B" unit, in railroad terminology, is a locomotive unit which does not have a driving cab, or crew compartment, and must therefore be controlled from another, coupled locomotive with a driving cab . The term booster unit is also used. The concept was largely confined to North America... s |
Road numbers A units | Road numbers B units | Notes |
|---|---|---|---|---|---|
| Central Railroad of New Jersey Central Railroad of New Jersey The Central Railroad of New Jersey , commonly known as the Jersey Central Lines or CNJ, was a Class I railroad with origins in the 1830s, lasting until 1976 when it was absorbed into Conrail with the other bankrupt railroads of the Northeastern United States... |
10 | 5 | 70–79 | K, L, M, R, S | |
| Missouri Pacific Railroad Missouri Pacific Railroad The Missouri Pacific Railroad , also known as the MoPac, was one of the first railroads in the United States west of the Mississippi River. MoPac was a Class I railroad growing from dozens of predecessors and mergers, including the St. Louis, Iron Mountain and Southern Railway , Texas and Pacific... |
8 | 4 | 201–208 | 201B–204B | |
| New York Central Railroad New York Central Railroad The New York Central Railroad , known simply as the New York Central in its publicity, was a railroad operating in the Northeastern United States... |
4 | 2 | 3400–3403 | 3700–3701 | Renumbered 3800–3803 (A) |
| Totals | 22 | 11 |
"Sharknose" units produced (1949–1950)
| Railroad | Quantity A unit A unit An A unit, in railroad terminology, is a locomotive equipped with a driving cab, or crew compartment, and the control system to control other locomotives in a multiple unit, and therefore able to be the lead unit in a consist of several locomotives controlled from a single position... s |
Quantity B unit B unit A "B" unit, in railroad terminology, is a locomotive unit which does not have a driving cab, or crew compartment, and must therefore be controlled from another, coupled locomotive with a driving cab . The term booster unit is also used. The concept was largely confined to North America... s |
Road numbers A units | Road numbers B units | Notes |
|---|---|---|---|---|---|
| Baldwin Locomotive Works Baldwin Locomotive Works The Baldwin Locomotive Works was an American builder of railroad locomotives. It was located in Philadelphia, Pennsylvania, originally, and later in nearby Eddystone, Pennsylvania. Although the company was very successful as a producer of steam locomotives, its transition to the production of... (demonstrators) |
2 | 2 | 6001A, 6001A1 | 6001B, 6001B1 | to Elgin, Joliet and Eastern Railroad #700A/#701A (A) #700B/#701B (B), then to Baltimore and Ohio Railroad Baltimore and Ohio Railroad The Baltimore and Ohio Railroad was one of the oldest railroads in the United States and the first common carrier railroad. It came into being mostly because the city of Baltimore wanted to compete with the newly constructed Erie Canal and another canal being proposed by Pennsylvania, which... 847, 849 (A) 847X, 849X (B), later 4200–4201 (A), 5200–5201 (B) |
| Pennsylvania Railroad Pennsylvania Railroad The Pennsylvania Railroad was an American Class I railroad, founded in 1846. Commonly referred to as the "Pennsy", the PRR was headquartered in Philadelphia, Pennsylvania.... |
34 | 34 | 9568A–9593A, 9700A–9707A | 9568B–9593B, 9700B–9707B | 9700A,B–9707A,B were equipped with Baldwin RF-16 Baldwin RF-16 The Baldwin RF-16 is a cab unit-type diesel locomotive built for freight service by the Baldwin Locomotive Works between 1950 and 1953. All RF-16s were configured with a B-B wheel arrangement and ran on two AAR Type B two-axle road trucks, with all axles powered. A total of 109 cab-equipped A... bodies, and are therefore referred to by some as "RF-15s." |
| Totals | 36 | 36 |
