| Line number: | 1909: Z3ü 701-708, 1930: Z3i 451-458, 1964: Z3i 271-277 |
| Type: | Z3ü Post |
| Category: | Passenger coach |
| Era: | 2 |
| Overall length: | 14500 mm |
| Wheelbase: | 9200 mm |
| Weight: | 25000 kg |
| Maximum speed: | 100 km/h |
| Made in (Year): | 1909 |
| Out of service: | 1954-67 |
| Amount: | 8 |
| Capacity: | Package room: 3.0, Bureau: 1.5 t |