The lathes are used for repair and machining of wheel flange and wheel tread with wheelset on bogie without disassembly of wheelset (including axle box end cover) and axle box end cover for locomotives,high speed trains, passenger coaches, wagons and metro vehicles with track gauge of 1435mm. It is also applicable for machining the wheel flange and tread on single wheelset and single bogie. It can be switched to the single profiles and the machining of brake disc.