This kind of bogie is available to be used on the railway gauge of 1435mm. It is applied for new-making and servicing wagons. The axle load is 21t(Max) and the operating speed(Max) is 120km/h. The arrangement shall permit for ready accessibility for maintenance. This kind of bogie falls into categories of casting steel three-piece bogie. It is mainly comprised of wheel set, side frame, bolster, brake rigging, center spring suspension system, variational friction type snubbing device, roller bearing, and side bearing etc.Axle shall be in accordance with AAR M-101, the journal size of axle is 5 1/2ʺ×10ʺ.