| 125 | Model for DC, without sounds |
|---|---|
| 125/B | Model for AC, bogies, couplers and sound effect generators according to US standards, change of travel direction through stopping (3AC-0) |
| 125/3 | Model for DC without sounds, but adapted for three rail track (high flange and central current collector) |
| 125/3AC-0 | Same as 125/3, but for AC, without sounds, with direction change reacting on a STOP |
| 125/3AC-1 | Same as 125/3, but for AC, without sounds, with direction change reacting on a 20 V impulse |