Terex Finlay J-1170 mobile jaw crusher has a 44x28-inch jaw chamber available with optional hydraulic release for crushing construction and demolition debris. The hydraulic release option has an automatic overload protection system to prevent damage by uncrushable items in the feed material. The machine has a 350-horsepower Tier 4-Interim Scania DC9 70A diesel. A hydrostatic transmission gives operators reversible operation in the event of a blockage, and provides variable chamber speed. A heavy-duty variable-speed vibrating grizzly feeder with integrated pre-screen provides an aggressive action to separate fines material efficiently, the company says. The 12.55-cubic-yard hopper has hydraulically folding sides and a hydraulic self-locking mechanism. Transport weight is 99,600 pounds.