To achieve the low floor design, a new bogie was built and assigned the model 630.0.01.

[1] These bogies have a two-stage suspension,[3] and hydraulic vibration dampers are installed to improve ride quality.

[1] UKVZ's implementation of bogies allows for a lower high floor level when compared to Uraltransmash 71-407.

[6] These are the first series of vehicles, currently in service in Perm, Smolensk, Khabarovsk, Ufa and Nizhny Novgorod.

[2] 71-623-01 The -01 modification features widened doors, redesigned gearboxes and covered bogies.