The railway vehicle wheelset is mainly composed of one axle and two wheels, which are
assembled together through interference fit to form a whole structure, jointly supporting the
weight of the vehicle and enabling the vehicle to run smoothly on the steel rail. The wheelset of
railway vehicles is a key running component of railway vehicles, playing a crucial role in the safe
Wheelset operation and performance of the vehicles.
Different types of railway vehicle wheelsets have different wheel diameter sizes, typically
915mm, 840mm, 1250mm (for electric locomotives) for passenger cars, freight cars, and
locomotives, etc.
Related standards for wheelsets used in rail transit vehicles: TB/T 1718—2003、EN 13260:2020
