| E 51911 (1) | 1921 | Virumaa — Haljala | Brindfeldt, Hugo |
| E 51912 (2) | 1921 | Viljandimaa — Tarvastu; Tartumaa — Tartu | Brindfeldt, Hugo |
| E 51912/3 (3) | 1921 | Viljandimaa — Tarvastu; Tartumaa — Tartu | Brindfeldt, Hugo |
| E 51913 (4) | 1921 | Viljandimaa — Tarvastu; Tartumaa — Tartu | Brindfeldt, Hugo |
| E 51913/4 (5) | 1921 | Viljandimaa — Tarvastu; Tartumaa — Tartu | Brindfeldt, Hugo |
| E 51914 (6) | 1921 | Viljandimaa — Tarvastu; Tartumaa — Tartu | Brindfeldt, Hugo |
| E 51914/5 (7) | 1921 | Virumaa — Väike-Maarja | Brindfeldt, Hugo |
| E 51916 (8) | 1921 | Virumaa — Rakvere | Brindfeldt, Hugo |