ALCO DL-203

ALCO DL-203

Infobox Locomotive
name = ALCO DL-202 & DL-203 “Black Maria”
powertype = Diesel-electric
builder = American Locomotive Company
buildmodel = DL-202 (A units) and DL203 (B unit)
serialnumber = 71257–71258 (A units), 69974 (B unit)
totalproduction = 2 A units, 1 B unit
aarwheels = B-B
uicclass = Bo'Bo'
primemover = ALCO 241
enginetype = 4-stroke diesel
cylindercount = V12
poweroutput = convert|1500|hp|MW|2|abbr=on
roadnumber = 1500A,B,C
disposition = All scrapped, September 1947The ALCO DL-202 and DL-203 diesel-electric locomotive (known informally as the Black Maria) was an experimental freight locomotive produced by ALCO of Schenectady, New York.pinkepank diesel spotters guide 2|pages=p.267] It was a predecessor to the ALCO FA series. The two A units were built in January 1945 and the B unit at a later date in 1945. The total production run included 2 cab DL202 A units, and a single DL203 B cabless booster) unit. The locomotives were powered by a V12 ALCO 241 diesel engine, rated at convert|1500|hp|MW|abbr=on|lk=on. The units were released for test in September 1945. The locomotive could attain a top speed of 80 mph (Freight) and 125 mph (Passenger). [cite web
url = http://www.thedieselshop.us/DataBlackM.HTML
title = Alco "Black Marias"
work = The Diesel Shop
accessdate = 2006-12-01] With the B-B wheel arrangement and carbody construction, equipment layout and electrical gear these experimental units were the immediate predecessors of the FA units to come in early 1946.

The three units were numbered 1500A, B, C and were tested on the New York Central Railroad, the Delaware and Hudson Railroad, the New York, New Haven and Hartford Railroad, and the Bangor and Aroostook Railroad, [cite book
title = American Diesel Locomotives
author = Brian Solomon
pages = 83
year = 2000
publisher = MBI
id = ISBN 0-7603-0666-4] among others. They were scrapped in September 1947.

References

Notes

Bibliography

* Chapter VII ALCO and World War II pp. 221-230.

External links

* [http://www.northeast.railfan.net/images/alco1500c.jpgA picture of The Black Maria in service]
* [http://www.thedieselshop.us/DataBlackM.HTML Drawings of both the "A" and "B" units, plus additional information about them]
* http://alcoworld.railfan.net/arf.htm


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