Alternate reality
The following is a list of unnamed Federation cargo shuttles.
Io Facility []
Several cargo shuttles at the Io Facility
These unnamed cargo shuttles were used by Delta Team to ferry thrusters to the Io Facility spacedock housing the USS Vengeance shortly before the starship was launched in 2259. (Star Trek Into Darkness)
Starbase Yorktown []
Cargo shuttles at Starbase Yorktown
At least two cargo shuttles were used in the construction of the USS Enterprise-A at Starbase Yorktown starting in 2263. (Star Trek Beyond)