| Owner (company): | Deutsche Bundesbahn |
| Line number: | 251 901-903 (252 901-902) |
| Type: | Schmalspur-Diesellokomotive |
| Label: | 251 (252) |
| Category: | Diesel locomotive |
| Era: | 4 |
| Power transmission: | Hydraulic transmission |
| Axle arrangement: | B' B' |
| Overall length: | 9810 (9780) mm |
| Wheelbase: | 5860 mm |
| Pivot distance: | 4160 mm |
| Bogie wheelbase: | 1700 mm |
| Traction wheel diameter: | 850 mm |
| Working weight: | 38900 (39500) kg |
| Weigth / m: | 3,965 (4,039) t |
| Maximum speed: | 40 km/h |
| Starting tractive effort: | 117,7 kN |
| Manufacturer: | Gmeinder |
| Made in (Year): | 1964 |
| Out of service: | 30.11.1983 (5.6.1973) |
| Amount: | 3 (2) |
| Fuel tank: | 1710 l |
| Motor(s): | MWM TRMS 518 A + Hilfsdiesel MWM AKD 412 Z |
| Motor nominal rating: | 199 kW |
| MZYL: | 8 |
| Transmission gear: | Clutches Hydraulic Drives Twin-Disc-Wandler |
| Lighting: | Electric |