SP S12 page: 1965 system renumbering
1965 Renumbering:
In late 1965, the SP began a program to renumber the majority of its locomotive fleet into a consolodated system without regard for reporting mark.
SP 2100-2120:
| 1965 numbers | Orig. numbers | notes |
| SP 2100 | SP 1442 | |
| SP 2101 | SP 1443 | |
| SP 2102 | SP 1444 | |
| SP 2103 | SP 1445 | |
| SP 2104 | SP 1446 | |
| SP 2105 | SP 1448 | |
| SP 2106 | SP 1449 | |
| SP 2107 | SP 1450 | |
| SP 2108 | SP 1451 | |
| SP 2109 | SP 1452 | |
| SP 2110 | SP 1453 | |
| SP 2111 | SP 1454 | |
| SP 2112 | SP 1455 | |
| SP 2113 | SP 1456 | |
| SP 2114 | SP 1457 | |
| SP 2115 | SP 1458 | |
| SP 2116 | SP 1459 | |
| SP 2117 | SP 1460 | |
| SP 2118 | SP 1461 | |
| SP 2119 | SP 1462 | |
| SP 2120 | SP 1463 |
SP 2121-2123:
| 1965 numbers | Orig. numbers | notes |
| SP 2121 | T&NO 105 | |
| SP 2122 | T&NO 106 | |
| SP 2123 | T&NO 107 |
SP 2124-2125:
| 1965 numbers | Orig. numbers | notes |
| SP 2124 | SP 1498 | to T&NO 121 in 3/1956 |
| SP 2125 | SP 1505 | to T&NO 122 in 3/1956 |
SP 2126-2145:
| 1965 numbers | Orig. numbers | notes |
| SP 2126 | SP 1492 | |
| SP 2127 | SP 1493 | |
| SP 2128 | SP 1494 | |
| SP 2129 | SP 1495 | |
| SP 2130 | SP 1496 | |
| SP 2131 | SP 1492 | |
| SP 2132 | SP 1499 | |
| SP 2133 | SP 1500 | |
| SP 2134 | SP 1501 | |
| SP 2135 | SP 1502 | |
| SP 2136 | SP 1503 | |
| SP 2137 | SP 1504 | |
| SP 2138 | SP 1506 | |
| SP 2139 | SP 1507 | |
| SP 2140 | SP 1508 | |
| SP 2141 | SP 1509 | |
| SP 2142 | SP 1510 | |
| SP 2143 | SP 1511 | |
| SP 2144 | SP 1512 | |
| SP 2145 | SP 1513 |
SP 2146-2157:
| 1965 numbers | Orig. numbers | notes |
| SP 2146 | SP 1539 | |
| SP 2147 | SP 1540 | |
| SP 2148 | SP 1541 | |
| SP 2149 | SP 1542 | |
| SP 2150 | SP 1543 | |
| SP 2151 | SP 1544 | |
| SP 2152 | SP 1545 | |
| SP 2153 | SP 1546 | |
| SP 2154 | SP 1547 | |
| SP 2155 | SP 1548 | |
| SP 2156 | SP 1549 | |
| SP 2157 | SP 1550 |