Vac-Tron Equipment. (Vac-Tron) is recalling certain 2012-2020 MC555SDT, MC533SDT and MC573SDT Vacuum Excavator trailers. The trailer’s front clearance lamps are positioned improperly, the jetter blocks visibility to the passenger side front clearance lamp, and an insufficient amount of conspicuity tape may have been applied on the sides and rear. The trailers may also may also lack side or rear reflex reflectors. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 108, “Lamps, Reflective Devices, and Associated Equipment.”