ALCO S-2 and S-4

ALCO built the S-2 from August, 1940 - June, 1950, and the S-4 from June, 1949 - August, 1957. Power for the S-2's and S-4's came from ALCO's 1,000hp 539T straight-6 prime mover.  The initial CR roster listed only PC-inherited S-2's in seried 9633-9660 and S-4's in series 9695-9701, as well as both units in non-consecutive series in the 9700's and 9800's.  The S-2 was delivered with ALCO Blunt trucks, while the S-4 came standard with AAR type A switcher trucks.

1
Buffalo Creek S-2 52 rests in the Juniata deadlines in August, 1978.
2
Former EL RS-3 1044 (CR 5260) rests retired between sister-unit 1018 (CR 5238) and ex-PC S-2 9824 in the Juniata shops deadline in August, 1977.
3

With numbers whitelined, snow-covered PC RS-11 7620 and S-2 9763 have seen their last days of operation at Morrisville in March, 1978. 

Alco RSD-12's were actively working the Morrisville yard into April, 1977, while the RS-11's continued to handle yard chores into the summer of 1977.  In the spring of 1978, however, all Alco's were gone and yard work was being handled by GP30's.

4
Buffalo Creek Alco S-2 44 works their main yard in Buffalo, N.Y. in August 1976. Controlled by the Erie Lackawanna and Lehigh Valley, Conrail would totally absorb this small but busy line a couple of years after C-day, renumber several of their Alco switchers, then retire them in short order. BCK #44 would be renumbered to CR 9661.
5

Buffalo Creek Alco S-2 50 (CR 9665) rests retired at the Juniata shops deadline in August, 1978.

The ancient S-2 (ex-D&H 3005 acquired 8-1956) was built 9-1945, and became part of Conrail at the beginning of operations in April, 1976.

6

Buffalo Creek Alco S-4 52 (CR 9667) rests retired at the Juniata shops deadline in August, 1978.

The ancient S-4 (ex-EL 527) was built 1-1952, and became part of Conrail at the beginning of operations in April, 1976.

7
E-44's 4446 and 4401 have Alco S-2 9740 tagging along as they pause with their mixed freight at Morrisville in April, 1977.
8

With numbers whitelined, snow-covered PC RS-11 7620 and S-2 9763 have seen their last days of operation at Morrisville in March, 1978.

Alco RSD-12's were actively working the Morrisville yard into April, 1977, while the RS-11's continued to handle yard chores into the summer of 1977. In the winter of 1978, however, all Alco's were gone and yard work was being handled by GP30's.

9
Former PC S-4 9796 sits in the Juniata shops deadline in March, 1979.
10
Former PC Alco S-2 9807 rests retired along with a pair of ex-NYC RS-32's (2026 and 2036) at the Juniata shops deadline in August, 1977.
11
Former PC S-2 9824 rests removed from the CR roster at the Juniata shops deadline in August, 1977.
12
Former EL RS-3 1044 (CR 5260) rests retired with whitelined PC S2 9824 at the Juniata shops deadline in August, 1977.
13
RDG OE-8 class 50, an ALCo S-1, rests in the Juniata deadline in August, 1978.  Although reports suggest that four of the five Reading S-1's (50-54) were scrapped by 1964, with 53 surviving until 1969, this unit appears to have all the Reading markings of S-1 50.  The unit may have been retired but not scrapped and rested in deadlines from 1964-1978.

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