Wheeled carriage, armor shield, and thick shroud?
Sounds like a Russian/Soviet made Maxim.
After the Goryunov and other designs were adopted into Soviet service, Maxims were handed out like candy to satellite countries.
"The gift which I am sending you is called a dog, and is in fact the most precious and valuable possession of mankind" -Theodorus Gaza
Baby Jesus cries when the fat redneck doesn't have military-grade firepower.