0-8-8-0

In the UIC classification, this arrangement would be, refined to Mallet locomotives, (D)D. The type was sometimes called Angus in North America.

The vast majority were used as very heavy switcher locomotives (generally for hump yard work), transfer switchers for hauling cuts of cars between rail yards, or pusher engines for assistance on grades.

Most locomotives of this arrangement were built and served in North America, but there were exceptions.

These worked trains over heavily graded stretches of line, mostly as bankers (US: pushers) and were the largest locomotives in Europe when introduced.

O gauge models of PRR Class CC2 0-8-8-0s were made by Lionel HO scale brass importers of the L-1 Camelback locomotives include NJ Custom Brass and Overland Models.