Our Certifications and Features are: 1.Got the American "AAR" Certification; 2.Got the Russian Certification; 3.Got the Ukrainen Certification; 4.Using the German "V" modeling technology; Side frame - one of the main structural elements of the bogie framework of the model 18-100. It is manufactured by casting, with additional machining and riveting of wear-resistant plates. Side frame, drawing No.100.00.002-4SB, represents a major piece of a freight wagon bogie, which transmits the load on the axle through the axle box. Cast alloy steels 20GFL and 20GL. Bolster drawing No.100.00.001-6 serves as a bridge between the two side frames in the construction of a freight wagon bogie.To ensure reliability and durability the bolster is casted from steel 20GFL or 20GL.One of the main frame details of a bogies framework model No.18-100. Set lifetime of a bogie frame before a bolster discarding is 30 years. The designated lifetime up to the first depot repair is 2 years, before the first overhaul is 8 years. Established time to failure is at least 2 years. Overall dimension: side frame:2.41m*680cm*56cm weight:400kg bolster:2.61m*39.5cm*47cm weight:525kg