I know there are quite a few different fonts on this picture, but just name the ones you can

TGL 0-1451 Engschrift  Suggeriti da Onsite_signguy 

Interstate condensed thin is the (commercial) light type. closest free font is maybe "Lugina FP Light", but I dont know where to download.

Closest free font of the Bold "HD" is probably "TGL 0-1451 Engschrift"