They are specially built new or converted from container ships.
The -50 was available only as a conversion package for the L-1011-1 and was never built new.
Some windows had to be built new because they were excessively deteriorated or missing entirely.
Many of their buildings were built new or rehabilitated under earlier, and far larger, Federal production programs.
The first buses built new as open top vehicles arrived in 1961.
One Class 30, 396, was rebuilt in 1903 and 20 more were built new with this boiler.
They are no longer built new by machine tool builders, but a small market for used machines still exists.
More recent ones were built new, and several of these are longer and taller than the classic passenger car design.
The development now has 1,283 units, some refurbished and others built new.
Many are built new from scratch, as the supply of originals has been exhausted.