Dry Van
A dry van is a type of semi-trailer that's fully enclosed to protect shipments from outside elements. Designed to carry palletized, boxed or loose freight, dry vans aren't temperature-controlled.
Refrigerated Trailer
Also known as a reefer trailer is also known as a refrigerated trailer. Primarily a dry van, reefers are built with insulation and refrigeration capabilities for the transport of perishable and temperature-sensitive goods. While these goods aren't meant to be heated or cooled, reefers are able to maintain a pre-set temperature.
Flatbed
A flatbed truck is a large vehicle with a flat body and no sides or roof around the bed. Typically, these types of trucks are used to transport heavy loads that won't be compromised in bad weather or on rough roads. ... Their unique bed design is ideal for loads that would be too wide for a truck with an enclosed body.