| Class | Livery | Producer | Prod. Code | Railways | Numeration |
| C 5/6 | black | Lemaco | N-005 | SBB | 2695 |
| Anno di costruzione/Year of construction: | 1917 |
| Numerazione/Service numbers: | 2901-2978 |
| Rodiggio: | 1'E |
| Potenza (Kw)/Power (Kw): | 1190 |
| V max (Km/h): | 65 |
| Lunghezza (cm)/Lenght (cm): | 19165 |
| Stazza (T)/Weight (T): | 128 |
| Note: | C 5/6 called "elephant" was used on the Gotthard line for pull heavy freight train and express train. Out of service 1954-1968. |

