The 674 screener has a screenbox with three inclined decks for a total screening area of 170 square feet. The top and middle decks measure 12x5 feet, and the bottom deck 10x5 feet. The screenbox features quick wedge tensioning (top and middle deck), access holes and bottom deck hydraulic tensioning system to reduce time required for mesh changes.
All four discharge conveyors hydraulically fold for transport. A 42-inch belt feeder, with hydraulic variable speed drive, is fitted to the machine as standard. The hopper capacity is 10.5 cubic yards and can be fitted with remote control hydraulic tipping grid.
A Caterpillar C4.4 air cooled engine is used to power the machine. The fully self-contained unit can be hydraulically folded and ready for transport in less than 30 minutes, according to the company.