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The '''ALCO RSD-1''' was a [[diesel-electric locomotive]] built by [[American Locomotive Company]] (ALCO). This model was a [[road switcher]] type rated at 1000 [[horsepower]] and rode on three-axle [[bogie|trucks]], having a [[AAR wheel arrangement#C-C|C-C]] wheel arrangement. It was often used in much the same manner as its four-axle counterpart, the [[ALCO RS-1]], though the [[traction motor|six-motor design]] allowed better tractive effort at lower speeds.
The '''ALCO RSD-1''' was a [[diesel-electric locomotive]] built by [[American Locomotive Company]] (ALCO). This model was a [[road switcher]] type rated at 1000 [[horsepower]] and rode on three-axle [[bogie|trucks]], having a [[AAR wheel arrangement#C-C|C-C]] wheel arrangement. It was often used in much the same manner as its four-axle counterpart, the [[ALCO RS-1]], though the [[traction motor|six-motor design]] allowed better tractive effort at lower speeds.


Most of the RSD-1s were shipped overseas to the [[Soviet Union]] during [[World War II]], as part of the [[Allied]] war effort. Operated on the [[Trans-Iranian Railway]], these locomotives kept the trains running and helped to assure eventual victory over [[Nazi Germany]] in [[1945]]. Subsequently, the Soviets kept many of the RSD-1s after the war, adopting the design to form the basis of their own line of diesel locomotives.
Most of the RSD-1s were shipped overseas to the [[Soviet Union]] during [[World War II]], as part of the [[Allied]] war effort. These locomotives were also used in the [[Trans-Iranian Railway]]. Subsequently, the Soviets kept many of the RSD-1s after the war, adopting the design to form the basis of their own line of diesel locomotives.


==External links==
==External links==

Revision as of 09:24, 13 December 2007

ALCO RSD-1
Former US Army ALCO RSD-1, now owned by the Tennessee Valley Railroad Museum.
Type and origin
Power typeDiesel-electric
ModelRSD-1
Build dateMarch 1941 – March 1960
Total produced417
Specifications
Configuration:
 • AARC-C
GaugeTemplate:4ft8.5in
Length55 ft 5.75 in (16.2 m)
WidthTemplate:Ft to m
Height14 ft 5 in (4.4 m)
Fuel capacity1,000 gal (6,056 L)
Prime moverALCO 539T
Engine type4-stroke diesel
AspirationTurbocharger
Displacement8,256 in³ (135.2 L)
CylindersStraight-6
Cylinder size9 in × 10.5 in
(229 mm × 267 mm)
TransmissionDC generator,
DC traction motors
Loco brakestraight air
Train brakesair
Performance figures
Power output1,000 hp (745 kW)
Career
LocaleNorth America, Soviet Union

The ALCO RSD-1 was a diesel-electric locomotive built by American Locomotive Company (ALCO). This model was a road switcher type rated at 1000 horsepower and rode on three-axle trucks, having a C-C wheel arrangement. It was often used in much the same manner as its four-axle counterpart, the ALCO RS-1, though the six-motor design allowed better tractive effort at lower speeds.

Most of the RSD-1s were shipped overseas to the Soviet Union during World War II, as part of the Allied war effort. These locomotives were also used in the Trans-Iranian Railway. Subsequently, the Soviets kept many of the RSD-1s after the war, adopting the design to form the basis of their own line of diesel locomotives.