RichardW Wrote:
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> I've run across the term "dumpie" or "dumpy"
> applied to a cart or trailer pulled by a speeder.
> Would like to know the reason for this name if
> someone can explain. Is it because the device is
> short and dumpy in appearance?

I have not heard the term dumpy used for a device like this, but certainly there are carts that have a dump function and that are sized to be pulled by speeders. Here one that has that homemade look:


Here's the full story about the image linked above, and more photos:
[www.silverlakerailroad.com]

And for those that have plenty of money, here's a modern version:

Note this one is being pulled by a hirail trackhoe, and appears to use the trackhoe's hydraulic system for dumping power. Image linked from this page:
[www.railroadconstructionequipment.com]