Looks like they are calling the hook out to a un-railment. Carmen, machinists, laborers and operators are crawling all over the work train.
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Here is a Overland DRGW side boom I modified with a new exhaust stack to match the prototype, sitting on a highly custom built drop deck flat, and unloading ramp I made from styrene brass and wood.
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A very important piece gets loaded into a MW boxcar, a modified Athearn car.
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A overhead view.
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And a modified MW flat car.
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