| Nickname: | Púpos |
| Owner (company): | MÁV |
| Line number: | M40 003-010, 101-120, 201-240, 901-905 |
| Category: | Diesel locomotive |
| Power transmission: | Electric |
| Axle arrangement: | Bo'Bo' |
| Overall length: | 14250 mm |
| Width: | 3115 mm |
| Heigth: | 4150 mm |
| Traction wheel diameter: | 1040 mm |
| Weight: | 72600 kg |
| Maximum speed: | 100 km/h |
| Continuous output: | 589 (motor: 16 JV) / 740 (motor: 16 VFE) kW |
| Manufacturer: | Ganz-MAVAG |
| Made in (Year): | 1966 - 1970 |
| Amount: | 71 |
| Motor(s): | Ganz 16 JV 17/24, GANZ VFE 17/24 |