Heavy duty feeder for large rock complete with Trio 40” wide x 16’ long vibrating feeder with 40 hp electric motor drive; 16’ wide x 16’ long heavy duty feed hopper with folding wing extensions for travel; 48” wide x 40’ long heavy duty discharge conveyor with 25 h.p. electric motor drive, impact beds, US Flex 440 conveyor belting, full length skirtboards and adjustable height support structure; all mounted on a tandem axle trailer with 11R-22.5 tires, air brakes, mud flaps and fifth wheel pin.