 With its mechanical foundation based on an upgraded diesel engine, four speed hydrostatic transmission, and large external fuel tanks it is capable of providing side-by-side support with even the most agile Abrams and Bradley AFVs.Without replenishment of smoke producing agents, the M58 can produce ninety minutes of thick, visually impairing smoke, or thirty minutes of infra-red obscuring haze.This screen effectively blocks infrared range finding as well as conventional night vision technologies.