| Owner (company): | Schweizerische Bundesbahnen |
| Line number: | 71 85 71-80 913, 917 |
| Type: | Sleeping car type "Universal" WL AB33 |
| Label: | WLABm 71-70 |
| Category: | Passenger coach |
| Era: | 4 |
| Overall length: | 26400 mm |
| Width: | 2816 mm |
| Heigth: | 4260 mm |
| Wheelbase: | 21500 mm |
| Pivot distance: | 19000 mm |
| Bogie wheelbase: | 2500 mm |
| Bogie type: | Minden-Deutz MD36 |
| Weight: | 52300 kg |
| Seat: | 33, 11 compartments with 3 berths each + 4 folding seats in the aisle |
| Interiour arrangement: | Compartments, closed lateral corridor |
| Maximum speed: | 160 km/h |
| Manufacturer: | Orenstein & Koppel AG, Berlin |
| Made in (Year): | 1968 |
| Amount: | 2 |
| Water: | 2000 l |
| Brake: | KE-GPR (D) |
| Heating system: | Air conditioning - steam, multiple electric systems, fuel heating |
| Lighting: | Fluorescent tubes |
| Run by the SBB from 1973 on |