1) Bogie of passenger cars: The sector of passenger cars was introduced in Hewitt for increasing its product line, with the purpose of enlarging and diversifying its participation in the railway market.

 

2) THW ® Bogie: The composed bogie of plates, for freight wagons, were patented by Hewitt in 2004, starting in this same year the prototypes production, which were subjected to several static and dynamic tests, during their manufacture and after, placed in railroad compositions, for evaluation, wih the supervision of Hewitt technicians and rectified by its clients.