After multiple disputes with his town Marvin Heemeyer constructed a concrete/steel armor-plated bulldozer “Killdozer” to destroy those who had sided against him. His rampage destroyed 13 buildings & was unstoppable by Police/SWAT until the dozer stalled. He killed himself & was the only casualty
Heemeyer’s bulldozer was a modified Komatsu D355A, which he referred to as the "MK Tank" in audio recordings, fitted with makeshift armor plating covering the cabin, engine, and parts of the tracks.
