MKD HC6100 - AC wheel sets (4 pieces), axle length: 25.20 mm, wheel diameter: 10.27 mm, suitable for many freight wagons with Y25 bogies (Rivarossi, Jouef, Electrotren)
MKD HC6101 - AC wheel sets (2 pieces), axle length: 24.25 mm, wheel diameter: 11.27 mm, suitable for many 2-axle freight wagons (Rivarossi, Jouef, Electrotren)
MKD HC6102 - AC wheel sets (4 pieces), axle length: 24.25 mm, wheel diameter: 10.50 mm, suitable for example for passenger coaches of type UIC X (Rivarossi, Electrotren) as well as Talgo III and Talgo Pendular (Electrotren)
MKD HC6104 - AC wheel sets (4 pieces), axle length: 24.00 mm, wheel diameter: 11.50 mm, suitable for example for passenger coaches of the OSShD type, type B (Rivarossi)
MKD HC6105 - AC wheel sets (4 pieces), axle length: 23.50 mm, wheel diameter: 10.30 mm, suitable for various SNCF passenger coaches such as Mistral '69 or Gran Confort (Jouef)