Rock Island power assists an eastbound train into SP's Englewood Yard in Houston on September 16, 1975. The train has SP 5001 and Rock Island 250 and 353. On the hump are old time friends from the Tehachapi Freight Pool. Engines 2961, 2950, and 2954 had been demoted from road service to yard service. They began life in 1952 as RSD5s and were converted to RSD12s in December 1960. Alco replaced the 244 engines (1,500hp) with 251 engines (1,800hp). These three were in a group of 20 engines the went through the conversion process. The twenty RSD12s worked the Tehachapi Freight Pool for about five years until replaced by SD35s.

Texas Index

SP engines 3439 and 3755 at Corrigan, TX