TLEW 5109
| Ex C&O Blt 1952 |
S4
| 80633 | 23 | 90384 |
TLEW 9752
| ex P&LE 8652, PC 9752 |
S4
| 80938 | 2 | 104874 |
TMBL 921
| ex-NP 721 |
S4
| 80965 | 15 | 48329 |
TMBL 930
| ex-Illinois Northern 30 |
S4
| 78414 | 2 | 153504 |
TMBL 931
| ex-IN |
S4
| 78415 | 1 | 256195 |
TMBL 944
| ex-LAJ |
S4
| 80628 | 4 | 153505 |
TN 10
| |
S4
| 78802 | 6 | 264385 |
TN 11
| |
S4
| 78803 | 1 | 114528 |
TN 14
| ex-DH 3044 |
S4
| 78238 | 1 | 250096 |
TN 15
| |
S4
| | 3 | 264384 |
TN 16
| ex-DH |
S4
| 78232 | 1 | 133914 |
TN 22
| ex ATSF 1501 |
S4
| 78768 | 4 | 128952 |
TN 45
| ex-ATSF |
S4
| 79814 | 1 | 243314 |
TN 52
| ex-ATSF 1502 |
S4
| 78769 | 1 | 243315 |
TR 108
| ex-CN/CANAC unit |
S4
| | 1 | 38329 |
TR 110
| |
S4
| | 1 | 37331 |
TSRR 2329
| ex-L&N |
S4
| 79496 | 2 | 7452 |
TT 103
| ex-C&O 5103 |
S4
| 80625 | 6 | 96560 |
TT 109
| blt 4/51 |
S4
| 78712 | 2 | 123050 |
TT 110
| blt 4/51 |
S4
| 78713 | 1 | 147847 |
TT 111
| |
S4
| 80087 | 1 | 147849 |
TTI 3086
| Transfer Terminal Inc. |
S4
| | 0 | 54833 |
TTI 9086
| blt 5/56 as B&O 9086 |
S4
| 81868 | 2 | 165891 |
TTRR 111
| |
S4
| | 1 | 206111 |
TUGX 1537
| 06/1953 |
S4
| 80620 | 1 | 175434 |
UP 1169
| |
S4
| 81391 | 1 | 255976 |
UP 1171
| to Yreka Western 1171 |
S4
| 81393 | 2 | 148978 |
UP 1172
| built 7/55; sold 3/72 > YW 1172 > POVA 101 |
S4
| 81394 | 3 | 193572 |
UP 1176
| built 11/55, retired 8/70 |
S4
| 81445 | 1 | 35697 |
UP 1185
| traded to EMD 08/70 |
S4
| 81454 | 1 | 181189 |
UP 1194
| Built 2/56 |
S4
| 81832 | 1 | 2078138393 |
USS 1534
| ex-ATSF 1534 |
S4
| 80617 | 1 | 127768 |
VAMD 10
| ex-MILW 1893/816 |
S4
| 80970 | 1 | 243932 |
VT D-2
| |
S4
| 78797 | 5 | 180653 |
VT D2
| Ex-PPL Montana No. 101. ALCO S-4 built in 1951 |
S4
| 78797 | 10 | 161726 |
VTR 6
| ex-C&O 5107 |
S4
| 80631 | 1 | 84665 |
WHITAKER 9088
| blt 5/56 as B&O 9088 |
S4
| 81870 | 1 | 127272 |
WP 563
| |
S4
| 78777 | 4 | 144844 |
WP 564
| Sold to ST&E - 23 December 1976 |
S4
| 78778 | 4 | 236292 |
WSX 210
| |
S4
| 78836 | 2 | 186814 |
WSX 224
| ex-MTFR |
S4
| 78798 | 1 | 223142 |
WTR 107
| ex-NKP 79 |
S4
| 80448 | 1 | 191603 |
YN 222
| |
S4
| 78411 | 1 | 147745 |
YN 225
| ex-BLE 291, sold to YN in 1962 |
S4
| 80064 | 1 | 147746 |
YN 226
| ex-BLE 292, sold to YN in 1963 |
S4
| 80065 | 3 | 147747 |