B4ü 3933
| General information | |
| Association | VVT Vapeur Val-de-Travers |
| Vehicle number (NVR) | 55 85 28-03 118-7 |
| Historical description | B4ü 3933 |
| Manufacturer | SWS |
| Year built | 1931 |
| Owner | VVT Vapeur Val-de-Travers |
| Operational | Yes |
| Epoch | 1921to1945 |
| Vehicle type | wagon |
| Vehicle genre | passengerWagon |
| Gauge | normal |
| Plain or roller bearings | plain_bearing |
| Brake system | |
| Brake system | compressed_air, hand_brake |
| Special features | |
| Specialities | |
| Waggon design | |
| Box type (wod or metal) | |
| Number of axles, steering or bogie | 4 |
| Type of window and width | |
| Lighting batteries | No |
| Type of heating | no_heating |
| Type of entry door | Portes Platform/doors, wings, other |
| Suitable for conductorless operation | Yes |
| Dynamo/generator | No |
| Interior furnishing | |
| Type of seats | |
| Carriage classes, and/or catering fittings | |
| Type of lighting | |
| Floor covering | |
| WC | Yes |
| Sun blinds | Yes |
| Sun blinds text | |
| Loud speaker(s) | Non |