S-2

74 new 1000 hp. Alco-GE model S-2 switchers were acquired by SP in five orders:
Mid-1941, #1300-1309 [10 units] class DS-100 (most sold pre-1965; 1965 class AS410-1, #1700).
Mid-1942, #1330-1344 [15 units] class DS-104 (many sold pre-1965; 1965 class AS410-2, #1701-1705).
1943-‘44, #1345-1370 [26 units] class DS-105 (some sold pre-1965; 1965 class AS410-3, #1706-1720).
Mid-1944, #1386-1392 [7 units] class DS-105 (most sold pre-1965; 1965 class AS410-3, #1766-1768).
Early-1950, #1426-1441 [16 units] class DS-105 (1965 class AS410-3, #1769-1781).