MDS design and build Heavy Duty static trommels in the form of the M615 and the M820. These trommels can process from 500 to 750 tons per hour. They have 3-4 outputs each and were built for portable use. Many applications are processed through our heavy duty static trommels including Overburden, Recycling/skip waste, General scalping, All quarried aggregates, demolition waste, Rip-Rap/Armour rock, Blasted Rock.