Alco PA & PBROSTER
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| Info Supplied by : John Komanesky |
Photograph by : John Mech |
| Revised: 10 January 2007 |
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| Alco PA-1 |
| Original owner |
Road Numbers |
Qty. |
Bldr Numbers |
Bldr Dates |
| Alco (American Freedom Train) |
1776 |
1 |
74696 |
8/47 |
| Alco (Demo) |
9077, 9078 |
2 |
75791, 75792 |
12/49 |
| Atchison Topeka & Santa Fe |
51L, 51B |
2 |
75000, 75002 |
9/46 |
| 52L, 52B |
2 |
75003, 75005 |
12/46 |
| 53L, 53B-55L, 55B |
6 |
75315-75320 |
4-6/47 |
| 56L, 56B |
2 |
74688, 75322 |
7/47 |
| 57L, 57B |
2 |
75321, 74689 |
7/47 |
| 58L, 58B |
2 |
74690, 74691 |
8/47 |
| 59L, 59B-62L, 62B |
8 |
76535-76542 |
10-12/48 |
| 70L-73L |
4 |
76087-76090 |
2-3/48 |
| Denver & Rio Grande Western |
6001, 6003 |
2 |
74684, 74685 |
1, 2/47 |
| 6011, 6013 |
2 |
74686, 74687 |
4/47 |
| Erie |
850-854 |
5 |
76908-76912 |
4/49 |
| 855-857 |
3 |
77103-77105 |
9/49 |
| 858, 859 |
2 |
77501, 77502 |
9/49 |
| 860, 861 |
2 |
75793, 75794 |
11/49 |
| Gulf Mobile & Ohio |
290, 291 |
2 |
74682, 74683 |
11, 12/46 |
| Lehigh Valley |
601. 602 |
2 |
75458, 75459 |
3/48 |
| 603-606 |
4 |
75460-75463 |
4/48 |
| 607-612 |
6 |
75775-75780 |
4/48 |
| 613, 614 |
2 |
75781, 75782 |
5/48 |
| Missouri-Kansas-Texas |
151A, 151C |
2 |
76917, 76918 |
4/49 |
| 152A, 152C |
2 |
76919, 76920 |
5/49 |
| Missouri Pacific |
8001-8008 |
8 |
77503-77510 |
10/49 |
| New York Central |
4200, 4201 |
2 |
75328, 75329 |
1/47 |
| 4202 |
1 |
76086 |
1/48 |
| 4203 |
1 |
76307 |
12/48 |
| 4204-4207 |
4 |
76913-76916 |
4/49 |
| New York Chicago & St. Louis(NKP) |
180-186 |
7 |
75330-75336 |
12/47 |
| 187-190 |
4 |
75454-75457 |
3/48 |
| New York New Haven & Hartford |
760-769 |
10 |
76076-76085 |
8-9/48 |
| 770-784 |
15 |
76312-76326 |
1-3/49 |
| 785, 786 |
2 |
76906, 76907 |
3/49 |
| Pennsylvania |
5750A-5754A |
5 |
74697-74701 |
10-11/47 |
| 5755A-5759A |
5 |
75323-75327 |
11-12/47 |
| St. Louis-Southwestern |
300, 301 |
2 |
77511, 77512 |
11/49 |
| Southern Pacific(T&NO) |
200A,B-202A,B |
6 |
77085-77090 |
6/49 |
| 203A, 203B |
2 |
77085, 77086 |
7/49 |
| 204A,B-205A,B |
4 |
77093-77096 |
8/49 |
| Southern Pacific |
6005A, 6005C |
2 |
75783, 75784 |
5/48 |
| 6006A, 6006C |
2 |
76072, 76073 |
6/48 |
| 6007A, 6007C |
2 |
76074, 76075 |
7/48 |
| 6008A,C-6010A,C |
6 |
77097-77102 |
8/49 |
| Union Pacific |
604-607 |
4 |
76308-76311 |
1/49 |
| 994A-997A |
4 |
74692-74695 |
8/47 |
| Wabash |
1020, 1020A |
2 |
77081, 77082 |
5/49 |
| 1021, 1021A |
2 |
77083, 77084 |
5/49 |
| Alco PA-2 |
| Alco ("More Power for America") |
8375 |
1 |
75790 |
3/50 |
| Erie |
862, 863 |
2 |
78732. 78733 |
4/51 |
| Missouri-Kansas-Texas |
154A, 154C |
2 |
78349, 78350 |
11/50 |
| 155A,C-157A,C |
6 |
78726-78731 |
3-5/51 |
| Missouri Pacific |
8009-8012 |
4 |
78135-78138 |
4/50 |
| 8013-8018 |
6 |
78734-78739 |
5-6/51 |
| 8019-8022 |
5 |
79042-79045 |
5-6/52 |
| 8023-8026 |
4 |
78208-78211 |
6/52 |
| 8027-8030 |
4 |
78957-78960 |
7-8/52 |
| 8031-8036 |
6 |
80045-80050 |
8-9/52 |
| New York Central |
4208-4211 |
4 |
78204-78207 |
6/50 |
| 4213, 4214 |
2 |
79040, 79041 |
5/52 |
| Paulista Railway(Brazil) |
900-902 |
3 |
80440-80442 |
10/53 |
| Southern Pacific |
6019, 6020 |
2 |
77999, 78000 |
8/50 |
| 6021, 6022 |
2 |
78001, 78002 |
9/50 |
| 6023 |
1 |
78740 |
4/52 |
| 6024-6027 |
4 |
79036-79039 |
4-5/52 |
| 6028-6033 |
6 |
80434-80439 |
5-6/53 |
| 6034 |
1 |
80443 |
9/53 |
| 6035-6045 |
11 |
80835-80845 |
9-10/53 |
| 6900-6903 |
4 |
80846-80849 |
10-11/53 |
| 6904, 6905 |
2 |
81081, 81082 |
12/53 |
| Alco PB-1 |
| Atchison Topeka & Santa Fe |
51A, 52A |
2 |
75001, 75004 |
10, 12/46 |
| 53A-56A |
4 |
75337-75340 |
4-6/47 |
| 57A, 58A |
2 |
74704, 74705 |
7, 8/47 |
| 59A-62A |
4 |
76543-76546 |
10-12/48 |
| 70A-73A |
4 |
76091-76094 |
2-3/48 |
| Denver & Rio Grande Western |
6002, 6012 |
2 |
74702, 74703 |
2, 4/47 |
| New York Central |
4300, 4301 |
2 |
75605, 75606 |
1/48 |
| 4302, 4303 |
2 |
75610, 75611 |
12/48 |
| Pennsylvania |
5750B, 5752B |
2 |
75343, 75344 |
10/47 |
| 5754B, 5756B |
2 |
75345, 75346 |
11/47 |
| 5758B |
1 |
75347 |
12/47 |
| Southern Pacific |
6005B-6007B |
3 |
75607-75609 |
5-6/48 |
| 6008B-6010B |
3 |
75786-75788 |
8/49 |
| Union Pacific |
604B-606B |
3 |
75612-75614 |
1/49 |
| 607B |
1 |
75785 |
1/49 |
| 998B, 999B |
2 |
75341, 75342 |
9/47 |
| Alco PB-2 |
| Alco ("More Power for America") |
8375B |
1 |
75789 |
3/50 |
| Southern Pacific |
5918, 5919 |
2 |
78219, 78220 |
8-9/50 |
| 5920, 5921 |
2 |
78212, 78213 |
4/52 |
| 5922-5924 |
3 |
80607-80609 |
5-6/53 |
| Roster information: Extra 2200 South |
The first PA-1 and PB-1 were released by ALCO for testing on the Lehigh Valley on June 26, 1946.
Photos of the first PA-1 and PB-1 testing on the Lehigh Valley in Black Demo paint are in Richard
Steinbrenner's ALCO A Centennial Remembrance pp255-258. Steinbrenner documents the ceremony for
the "ALCO 6000" at Schenectady on September 18, 1946 and then more ceremonies at New York City
September 22-24, 1946. The three new Santa Fe units of #51L, A, B were turned over to the New
York Central for movement to Chicago on September 25, 1946. According to Early Diesel Daze by
John McCall the Santa Fe did not receive these units until October 1946. McCall on p167 notes
that #51 left Chicago for Los Angeles with #7 the Fast Mail and Express on October 4, 1946.
(Footnote provided by Ed Cooper.)
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