Nicknamed: Bivaly
| Length | 20.79 m |
| Introduced | 1924-1958 |
| Wheel Arrangement | 4-8-0 |
| Builder | MÁVAG |
| Weight | 137.7 t |
| TE | 113.2 kN |
| Max Speed | 90 km/h |
| Num Cylinders | 2 |
| Power | 993 kW |
| Driving Wheel Dia | 1610 mm |
| Valve Gear | Heusinger |
| Cylinder Dimensions | 600 x 660 mm |
H-MÁVRT 424.247 at Mürzzuschlag on 9.6.2024
Photo: Jaka Š
| Number | Alt number | Name | Status | Pool | Depot | Note |
|---|---|---|---|---|---|---|
| 424.001 | D | |||||
| 424.005 | D | Very bad condition, no tender | ||||
| 424.009 | P | |||||
| 424.053 | 424.189, 424.127 | D | Bad condition | |||
| 424.124 | D | |||||
| 424.129 | D | |||||
| 424.140 | D | |||||
| 424.247 | 424 247-0 | P | ||||
| 424.262 | D | Bad condition | ||||
| 424.284 | 424.287 | D | ||||
| 424.287 | 424.285 | D | ||||
| 424.309 | D | |||||
| 424.320 | D | |||||
| 424.353 | 424-39 | D | ||||
| 424.365 | D |