tilting-type boxcar unloader

tilting-type boxcar unloader

[′tilt·iŋ ¦tīp ′bäks‚kär ən′lōd·ər]
(civil engineering)
A mechanism that is used to unload material such as grain from a boxcar; the car, with its door open, is held by end clamps on the specialized piece of track and tilted 15% from the vertical and then tilted endwise 40% to the horizontal to discharge the material at one end of the car, and 40% in the opposite direction to discharge the material from the opposite end.