58K pound sand truck to test their runaway truck arrestor

[Toolmaker51]

Tough indeed! Recalling aftermath to what occurred when a webbed tie-down wound up a trailer tire; stripped tire off that rim, crumpled the fender.

[Frank S]

Anything mounted on board to deploy under the rolling tires would either be ripped right away from the frame immediately or fold the truck up like a fortune cookie. If it did arrest the tires without destroying the truck the kinetic energy would now cause the whole thing to act like sliding down a sand dune on a car hood, zero control