SP AS-616 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. However, the SSW units did retain their identity, but the numbers were assigned within the overall scheme.
SP 177=184:
| 1965 numbers | Orig. numbers | notes |
| SP 177 | T&NO 177 | |
| SP 178 | T&NO 178 | |
| SP 179 | T&NO 179 | |
| SP 181 | T&NO 181 | |
| SP 182 | T&NO 182 | |
| SP 183 | T&NO 183 | |
| SP 184 | T&NO 184 |
SP 5228=5278:
| 1965 numbers | Orig. numbers | notes |
| SP 5228 | SP 5228 | |
| SP 5229 | SP 5229 | |
| SP 5230 | SP 5230 | |
| SP 5232 | SP 5232 | |
| SP 5233 | SP 5233 | |
| SP 5234 | SP 5234 | |
| SP 5235 | SP 5235 | |
| SP 5236 | SP 5236 | |
| SP 5238 | SP 5238 | |
| SP 5240 | SP 5240 | |
| SP 5241 | SP 5241 | |
| SP 5242 | SP 5242 | |
| SP 5243 | SP 5243 | |
| SP 5244 | SP 5244 | |
| SP 5245 | SP 5245 | |
| SP 5246 | SP 5246 | |
| SP 5247 | SP 5247 | |
| SP 5248 | SP 5248 | |
| SP 5252 | SP 5252 | |
| SP 5254 | SP 5254 | |
| SP 5255 | SP 5255 | |
| SP 5256 | SP 5256 | |
| SP 5257 | SP 5257 | |
| SP 5258 | SP 5258 | |
| SP 5259 | SP 5259 | |
| SP 5262 | SP 5262 | |
| SP 5263 | SP 5263 | |
| SP 5264 | SP 5264 | |
| SP 5266 | SP 5266 | |
| SP 5267 | SP 5267 | |
| SP 5268 | SP 5268 | |
| SP 5270 | SP 5270 | |
| SP 5272 | SP 5272 | |
| SP 5274 | SP 5274 | |
| SP 5276 | SP 5276 | |
| SP 5277 | SP 5277 | |
| SP 5278 | SP 5278 |