USRA Heavy Mikado

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File:USRA Heavy Mikado diagram.jpg
General arrangement drawing.

The USRA Heavy Mikado was a USRA standard class of steam locomotive designed under the control of the United States Railroad Administration (USRA), the nationalized railroad system in the United States during World War I. These locomotives were of 2-8-2 wheel arrangement in the Whyte notation, or 1′D1′ in UIC classification. A total of 233 locomotives were built to this plan for the USRA; postwar, it became a de facto standard design, which was built to the total of 957 locomotives including the USRA originals and all subsequent copies.[1]

Heavy Mikado used the same running gear as the USRA Light Mikado but were built to a higher axle load, larger cylinders and a much larger boiler for more power and steam-generating ability. Many aspects of the PRR L1s class were carried over to the Heavy Mikado, although not that locomotive's distinctive Belpaire firebox.[2]

Original owners

USRA originals

Table of original USRA allocation[3]
Railroad Quantity Class Road numbers Notes
Central Railroad of New Jersey
10
Script error: No such module "Check for unknown parameters".
M1s
Script error: No such module "Check for unknown parameters".
850–859
Script error: No such module "Check for unknown parameters".		 Built 1918-1925 by ALCO and Baldwin reclassified M63 in 1945.[4] Scrapped between 1947-1955.
Chicago, Burlington & Quincy Railroad
15
Script error: No such module "Check for unknown parameters".
O-4
Script error: No such module "Check for unknown parameters".
5500–5514
Script error: No such module "Check for unknown parameters".		 Built 1919 by Baldwin. Several to Colorado and Southern Railway and Fort Worth and Denver Railroad.[5] Scrapped between 1954-1957.
CB&Q affiliate Fort Worth and Denver Railway
5
Script error: No such module "Check for unknown parameters".
E-4A2
Script error: No such module "Check for unknown parameters".
451–455
Script error: No such module "Check for unknown parameters".		 [6] Built 1919 by Baldwin. Scrapped 1958-1959
Chicago, Milwaukee, St. Paul and Pacific Railroad ("Milwaukee Road")
100
Script error: No such module "Check for unknown parameters".
L3
Script error: No such module "Check for unknown parameters".
8600–8699
Script error: No such module "Check for unknown parameters".		 Built 1918 ALCO. Renumbered 300–399 (not in order).[7] Scrapped between 1938-1956.
Chicago, St. Paul, Minneapolis and Omaha Railway ("Omaha Road")
4
Script error: No such module "Check for unknown parameters".
J-2
Script error: No such module "Check for unknown parameters".
422–425
Script error: No such module "Check for unknown parameters".		 [8] Built 1919 by ALCO. Scrapped between 1942-1944.
El Paso and Southwestern Railroad
5
Script error: No such module "Check for unknown parameters".
H1s-59
Script error: No such module "Check for unknown parameters".
363-367
Script error: No such module "Check for unknown parameters". 		Built 1918 by Baldwin. 4 to Great Northern Railway #3204–3208 in 1920 Scrapped by Great Northern 1947-1950.[9] Remainder scrapped between 1948-1955 by El Paso and Southwestern Railroad.
Elgin, Joliet and Eastern Railway
5
Script error: No such module "Check for unknown parameters".
AB
Script error: No such module "Check for unknown parameters".
738-742
Script error: No such module "Check for unknown parameters". 		Built 1918 by Baldwin. To Western Pacific Railroad in 1920.[10] Scrapped 1939-1941.
Erie Railroad
15
Script error: No such module "Check for unknown parameters".
N-2
Script error: No such module "Check for unknown parameters".
3200–3214
Script error: No such module "Check for unknown parameters".		 [11] Built 1918 by ALCO. Scrapped between 1950-1952.
Great Northern Railway
4
Script error: No such module "Check for unknown parameters".
O-3
Script error: No such module "Check for unknown parameters".
3145–3148
Script error: No such module "Check for unknown parameters".		 [9] Built 1918 by ALCO. Renumbered 3200-3203. Scrapped between 1941-1942.
Louisville and Nashville Railroad
20
Script error: No such module "Check for unknown parameters".
J4
Script error: No such module "Check for unknown parameters".
1750–1769
Script error: No such module "Check for unknown parameters".		 [12] Built 1918 by ALCO. Scrapped between 1943-1945.
New York Central Railroad subsidiary Pittsburgh and Lake Erie Railroad
15
Script error: No such module "Check for unknown parameters".
H-9b, H-9d
Script error: No such module "Check for unknown parameters".
9505–9509, 9510–9519
Script error: No such module "Check for unknown parameters".		 [13] Built 1919 by ALCO and Baldwin. Scrapped between 1950-1952.
New York Central Railroad subsidiary Pittsburgh, McKeesport and Youghiogheny Railroad
15
Script error: No such module "Check for unknown parameters".
H-9a, H-9c
Script error: No such module "Check for unknown parameters".
9580–9589, 9590–9594
Script error: No such module "Check for unknown parameters".		 [13] Built 1918-1919 by ALCO. Scrapped between 1947-1948.
Wheeling and Lake Erie Railway
20
Script error: No such module "Check for unknown parameters".
M-1
Script error: No such module "Check for unknown parameters".
6001–6020
Script error: No such module "Check for unknown parameters".		 Built 1918. Later to New York, Chicago and St. Louis Railroad ("Nickel Plate Road") #671–690 in 1949.[14] Scrapped between 1950-1953.
Total 233

Copies[2]

Table of copies
Railroad Quantity Class Road numbers Notes
Central Railroad of New Jersey
56
Script error: No such module "Check for unknown parameters".
M2s, M2as, M3
Script error: No such module "Check for unknown parameters".
860–915
Script error: No such module "Check for unknown parameters".		 Built 1920-1923 by ALCO. Later reclassified M63 in 1945.[4] Scrapped 1949-1958
Chicago, Indianapolis and Louisville Railroad ("Monon")
1
Script error: No such module "Check for unknown parameters".
530
Script error: No such module "Check for unknown parameters". 		Script error: No such module "Unsubst". Built 1923 ALCO. Scrapped in 1946.
Chicago, St. Paul, Minneapolis and Omaha Railway ("Omaha Road")
6
Script error: No such module "Check for unknown parameters".
J-2
Script error: No such module "Check for unknown parameters".
426–431
Script error: No such module "Check for unknown parameters".		 [8] Built 1919 by ALCO. Scrapped between 1947-1960.
Chicago, St. Paul, Minneapolis and Omaha Railway ("Omaha Road")
8
Script error: No such module "Check for unknown parameters".
J-3
Script error: No such module "Check for unknown parameters".
432–439
Script error: No such module "Check for unknown parameters".		 [8] Built 1926 by ALCO Schenectady. Scrapped between 1949-1961.
Louisville and Nashville Railroad
145
Script error: No such module "Check for unknown parameters".
J-4, J-4A
Script error: No such module "Check for unknown parameters".
1770–1914
Script error: No such module "Check for unknown parameters".		 [12] Built 1918-1926 by ALCO. Scrapped between 1945-1960.
Missouri Pacific Railroad
170
Script error: No such module "Check for unknown parameters".
MK-63
Script error: No such module "Check for unknown parameters".
1401–1570
Script error: No such module "Check for unknown parameters".		 [15] Built 1921-1923 by ALCO. Scrapped between 1949-1955.
MP subsidiary St. Louis, Brownsville and Mexico Railway
10
Script error: No such module "Check for unknown parameters".
MK-63
Script error: No such module "Check for unknown parameters".
1111–1120
Script error: No such module "Check for unknown parameters".		 [15] Built 1926 by ALCO-Brooks. Scrapped between 1949-1956.
New York, Chicago and St. Louis Railroad ("Nickel Plate Road")
3
Script error: No such module "Check for unknown parameters".
H-6f
Script error: No such module "Check for unknown parameters".
662-665
Script error: No such module "Check for unknown parameters". 		Script error: No such module "Unsubst".Built 1918 by Lima. Scrapped in 1955.
Pittsburgh and West Virginia Railway
8
Script error: No such module "Check for unknown parameters".
H6, H7
Script error: No such module "Check for unknown parameters".
1001-1002, 1110, 1150-1153
Script error: No such module "Check for unknown parameters". 		Built 1918 by Baldwin and ALCO. Scrapped between 1945-1953.
St. Louis-San Francisco Railway
65
Script error: No such module "Check for unknown parameters".
4100
Script error: No such module "Check for unknown parameters".
4100–4164
Script error: No such module "Check for unknown parameters".		 [16] Built 1923-1926 by Baldwin. Scrapped in 1952.
Southern Railway
115
Script error: No such module "Check for unknown parameters".
Ms-4
Script error: No such module "Check for unknown parameters".
4800–4915
Script error: No such module "Check for unknown parameters".		 [17] Built 1923-1928 by ALCO and Baldwin. Scrapped between 1952-1954.
Southern subsidiary Alabama Great Southern Railroad
8
Script error: No such module "Check for unknown parameters".
Ms-4
Script error: No such module "Check for unknown parameters".
6622–6629
Script error: No such module "Check for unknown parameters".		 [17] Built 1926 by ALCO. Scrapped between 1941-1949.
Southern subsidiary Cincinnati, New Orleans and Texas Pacific Railroad
43
Script error: No such module "Check for unknown parameters".
Ms-4
Script error: No such module "Check for unknown parameters".
6320–6337, 6350–6374
Script error: No such module "Check for unknown parameters".		 [17] Built 1926 by Baldwin and ALCO. Scrapped between 1950-1955.
West Point Route (Atlanta and West Point Rail Road)
1
Script error: No such module "Check for unknown parameters".
F
Script error: No such module "Check for unknown parameters".
430
Script error: No such module "Check for unknown parameters".		 [18] Built 1944 by Baldwin. Scrapped in 1949.
West Point Route (Western Railway of Alabama)
1
Script error: No such module "Check for unknown parameters".
F
Script error: No such module "Check for unknown parameters".
380
Script error: No such module "Check for unknown parameters".		 [18] Built 1944 by Baldwin. Scrapped in 1952.
Total 724

None of the originals built under USRA auspices or any of the subsequent copies were preserved.

References

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  1. ↑ Huddleston (2002).
  2. ↑ a b Westcott (1960).
  3. ↑ Script error: No such module "citation/CS1".
  4. ↑ a b Drury pp.74, 76
  5. ↑ Drury pp.101, 106
  6. ↑ Drury pp.136, 138
  7. ↑ Drury pp.116, 122
  8. ↑ a b c Drury pp. 95, 98
  9. ↑ a b Keyes & Middleton p.102
  10. ↑ Drury p.430
  11. ↑ Drury pp.172, 180
  12. ↑ a b Drury pp.277, 230
  13. ↑ a b Drury pp. 268, 278
  14. ↑ Drury p.287
  15. ↑ a b Drury pp.248–249, 254
  16. ↑ Drury pp.342, 345
  17. ↑ a b c Drury pp.369, 372–373
  18. ↑ a b Drury p.30

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