Cargo shuttle

A cargo shuttle is a special type of shuttlecraft vehicle designed to carry cargo items aboard.

Earth and the Federation
The Federation Starfleet often uses special cargo shuttle vehicles. In the 2260s, the cargo shuttles Caroline Herschel and Edwin Drake were assigned to the starship USS Enterprise (NCC-1701).

There were typically four cargo shuttles carried aboard an freighter. 

In the 24th century, cargo shuttles of the 9A type were carried aboard starships such as the USS Enterprise (NCC-1701-D). 

The cargo shuttle complement of the USS Aventine included Shuttlecraft, and, named after three old friends of Captain Dax.