Two-axle bogie for car model 18-100 (111803)

Two-axle bogie for car 3d model
This is high-detailed model of cargo car train bogie which is used in Russia and known as 18-100. 
Railway gauge - 1520mm. 
The bogie is upgraded for 23 tons payload per axe. 
It consists of 2 side frames, supressor beam, 2 pairs of wheels and axles, 4 axles-boxes, break system & triangular and pivot. 
I'v tried to put maximum details but reduce the total amount of polies. The model has good optimisation and quality balance. Maps are included. Renders are made in VRay 3.50.04