Southern Pacific Railroad steam locomotive class
C22917
concept
A Southern Pacific Railroad steam locomotive class is a group of steam engines built or rostered by the Southern Pacific Railroad that share common design, performance, and operational characteristics for specific types of rail service.
All labels observed (7)
| Label | Occurrences |
|---|---|
| Southern Pacific AC-11 steam locomotive | 4 |
| Southern Pacific Railroad locomotive | 4 |
| 4-8-4 locomotive | 2 |
| Southern Pacific AC-11 locomotive | 1 |
| Southern Pacific GS-4 locomotive | 1 |
| Southern Pacific Railroad steam locomotive class canonical | 1 |
| Southern Pacific locomotive | 1 |
Description generation (CDg)
The one-sentence description above was generated by prompting gpt-5.1 with the class name and this instruction.
Instruction
generate a one-sentence description for a given conceptual class. # Response Format Return only the sentence: "Description: [one-sentence description of the conceptional class]"
Input
Class: Southern Pacific Railroad steam locomotive class
Generated description
A Southern Pacific Railroad steam locomotive class is a group of steam engines built or rostered by the Southern Pacific Railroad that share common design, performance, and operational characteristics for specific types of rail service.
Instances (13)
| Instance | Via concept surface |
|---|---|
| AC-7 | — |
| Southern Pacific GS-4 | 4-8-4 locomotive |
| Southern Pacific GS-3 | 4-8-4 locomotive |
| SP 4245 | Southern Pacific Railroad locomotive |
| SP 4250 | Southern Pacific AC-11 steam locomotive |
| SP 4247 | Southern Pacific AC-11 locomotive |
| SP 4263 | Southern Pacific AC-11 steam locomotive |
| SP 4249 | Southern Pacific AC-11 steam locomotive |
| SP 4271 | Southern Pacific Railroad locomotive |
| SP 4272 | Southern Pacific locomotive |
| SP 4273 | Southern Pacific Railroad locomotive |
| SP 4274 | Southern Pacific Railroad locomotive |
| SP 4277 | Southern Pacific AC-11 steam locomotive |