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New York Central class H-5
United States | 1912 | 661 produced
H-5p No. 1591 in the year 1946 in Collinwood, Ohio
H-5p No. 1591 in the year 1946 in Collinwood, Ohio
Richard J. Cook / collection Taylor Rush

Most of the New York Central class H-5 Mikados came from the rebuilds of a total of 482 G-5 class Consolidations. Not only were locomotives rebuilt directly by the New York Central, but also by its subsidiaries Boston & Albany and Big Four. The firebox remained largely unchanged and the boiler barrel was lengthened. While the cylinders were enlarged, the boiler pressure was reduced by 20 psi. The combination of these measures allowed to increase speed. Overall, the adhesive weight also increased. After the G-5 had already been built in different versions, there were also many differences within the H-5 class. In addition to the rebuilt locomotives, 179 were newly built.

VariantH-5a to h, k, m, nH-5lH-5p, q, tH-5r
General
Built1912-19141913-19151915-1916, 19251916
ManufacturerALCOALCO, LimaALCO
Axle config2-8-2 (Mikado) 
Gauge4 ft 8 1/2 in (Standard gauge)
Dimensions and Weights
Service weight280,000 lbs281,100 lbs289,300 lbs289,700 lbs
Adhesive weight215,500 lbs213,300 lbs216,100 lbs215,900 lbs
Total weight431,600 lbs439,800 lbs448,700 lbs
Axle load53,875 lbs53,325 lbs54,025 lbs53,975 lbs
Water capacity7,500 us gal8,000 us gal
Power
Power Plant
Driver diameter63 in
Boiler pressure190 psi180 psi190 psi200 psi
Cylinderstwo, 25 x 32 in
Boiler
Grate area56.5 sq ft
Firebox area230 sq ft230.9 sq ft
Tube heating area3,801 sq ft3,864 sq ft3,780 sq ft3,865.1 sq ft
Evaporative heating area4,031 sq ft4,094 sq ft4,010 sq ft4,096 sq ft
Superheater area870 sq ft880 sq ft
Total heating area4,901 sq ft4,964 sq ft4,880 sq ft4,976 sq ft
Calculated Values
steam locomotive
freight
rebuilt
last changed: 04/2023
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