The invention relates to an agricultural tracker for a crop trailer, the Tracker provided for crop load traceability and data transportation from a cropping area to a destination, the crop trailer being towable by a hauler in the cropping area, the crop trailer being fillable by a harvester with crop during a harvest, the crop trailer being towable by a transporter during a transport between the cropping area and the mill, the crop trailer having a power line, the power line being designed to be connectable to an on-board computer of the transporter, to a power source of the transporter, and to the crop trailer.