Screen box can accept punch plate, cascade fingers, bofar bars and speedharps. Galvanised access catwalk on both side of screen. Oversize conveyor angle can be adjusted from 18º to 24º. 1.2m wide Belt feeder complete with 7m3 manual folding hopper. Screen box discharge end raises hydraulically 500mm to facilitate mesh changing. Working Dimensions Screen box angle can be hydraulically adjusted to an angle between 13º to 19º. The NEW Terex Finlay 873 is ideally suited to working in aggregates, sand and gravel, top soil, construction demolition and recycling applications. This highly versatile machine can be fed either by a tracked mobile crusher, shovel or an excavator and has the capacity to process at a rate of up to 450 Tonnes per hour.