A vehicle-mounted piece of equipment used to evenly distribute deicing, anti-icing, or abrasive materials onto roadways or other surfaces. They can slide into the dump body of a truck v-box spreader, replace the dump body of a truck swap loader, replace the tail-gate of the dump body of a truck tail gate spreader, or be attached to a trailer towed behind a vehicle.
Source: AASHTO Winter Weather Management Technical Service Program