34. Dreadnaught 4/4
end with round corners
for W-section corner
post. Car built by
Greenville in 1963.
34
35. Improved
Dreadnaught 4/4 end
with smooth tapered
corrugations. Note
truncated rectangular
top rib.
35
the larger rib was usually smoothly tapered [35], on some
Improved Dreadnaught ends the main ribs took on the appear-
ance of a rolling pin [36]. Improved Dreadnaught ends were
made with both truncated [35] and full width top ribs [37].
Dartnaught or dart-less ends
Stamped steel car ends with large ribs, but without the second-
ary ribs or darts, were introduced in the late 1930s [39], how-
ever, they did not come into common usage until after WWII.
Although the railroad industry had no generic name for the
design, John Nehrich coined the name dartnot, or dartnaught,
Boxcar ends - 11
MRH-Oct 2014
