
The Supreme “Twin-Bucket” clamshell dredge is a purpose-built mining tool used in high production underwater excavation of sand and gravel, shot rock, and various other underwater mining applications. Ranging from 13 to 25yd3, the Twin utilizes onboard screening and dewatering, as well as optional primary stage crushing. All mined material is conveyer to land via a circuit of floating conveyors. Designed and built in Stoneboro PA, USA.