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New York Central class U-2
United States | 1916 | 242 produced
U-2d No. 7366 passing through a railroad crossing somewhere in Michigan
U-2d No. 7366 passing through a railroad crossing somewhere in Michigan
collection Taylor Rush

After the first class U-1 switching locomotives with a 0-8-0 wheel arrangement, which were only built in small numbers, New York Central procured a larger number of class U-2 locomotives. These were slightly lighter than their predecessors and only had a cylinder diameter of 23.5 instead of 25 inches with the same wheel diameter

From 1916 a total of twelve series were created, which differed slightly primarily in the boiler dimensions and were given the letters from a to l. The first series of the U-2a was delivered by ALCO-Brooks and the last series of the U-2l by ALCO-Schenectady. The remaining series came mainly from Lima, only the U-2d came from ALCO-Pittsburgh. The U-2i to U-2l were only delivered to subsidiaries of New York Central, more specifically to Chicago River & Indiana and Boston & Albany.

U-2h No. 7337
U-2h No. 7337

Although the last series of U-2s had not been built for the subsidiaries until 1923 and 1924, New York Central procured new class U-3 switchers as early as 1918, which corresponded to the standard USRA 0-8-0 design. Despite this, the U-2 class engines survived into the 1950s.

VariantU-2a, b, d, f and hU-2c, e, g, j, k and lU-2i
General
Built1916-19181917-1918, 1923-19241918
ManufacturerALCO, LimaLima
Axle config0-8-0 (Eight-coupled) 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Service weight218,000 lbs
Adhesive weight218,000 lbs
Axle load54,500 lbs
Fuel capacitycoal
Power
Power sourcesteam
Estimated power1,600 hp (1,193 kW)
Optimal speed23 mph21 mph
Starting effort44,918 lbf48,560 lbf
Power Plant
Driver diameter58 in
Boiler pressure185 psi200 psi
Expansion typesimple
Cylinderstwo, 23 1/2 x 30 in
Boiler
Grate area50 sq ft
Evaporative heating area2,285 sq ft2,300 sq ft2,245 sq ft
Superheater area530 sq ft
Total heating area2,815 sq ft2,830 sq ft2,775 sq ft
Calculated Values
steam locomotive
switcher
last changed: 07/2022
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