The YV-666 has almost nothing in common with other Corellian Engineering Corporation light freighters. These ships are considerably larger, are box-shaped, and have wings (probably for atmospheric travel). Thus, the YV-666 may have been designed by a different company, and is only manufactured by CEC. -Source: Essential Guide to Vehicles and Vessels
A Corellian Engineering Coroporation light freighter design that is unique in shape from many other transports. It has a large, rectangular main section that is used for cargo storage. A small bridge pod is mounted on the front end of the rectangle. The rear of the ship is needle-shaped power core and engine drive system. Attached to this rear section are a pair of extendable maneuvering vanes. Source:Unofficial Star Wars Encyclopedia
The Hound's Tooth, pictured above, was a YV-666 Freighter, and the personal ship of the Trandoshan bounty hunter Bossk.
Action V Transport
Action VI Transport