Cross member arrangement

A cross member arrangement for a chassis of a heavy vehicle, comprising:

• a main piece comprising:
• a first and a second peripheral section for attachment to a first and a second beam of the chassis, respectively;
• and
• a mid-section attached to the first and second peripheral section, wherein the mid-section comprises a first transverse plate sub-section placed in a first transverse plane, and a longitudinal plate sub-section placed in a longitudinal plane, wherein a first side of the longitudinal plate sub-section abuts the first transverse plate sub-section, wherein the longitudinal plate sub-section is provided with one or several transversal recesses facing away from the first transverse plate sub-section;
• and
• the cross-member arrangement further comprising:
• a second transverse plate piece arranged to be attached to the longitudinal plate sub-section of the mid-section and to be placed in a second transversal plane in a mounted state, wherein the transversal recesses are formed into transversal openings in the mounted state with the second transverse plate piece attached to the longitudinal plate sub-section of the mid-section.