The new Terex Finlay J-1170AS is a high-performance primary mobile jaw crusher built around the Terex 1,100 mm x 700 mm (44-? x 28-?) jaw crusher, with a proven track record in recycling, aggregate production and mining applications. A key new feature of this model is the onboard detachable sizing screen. The Terex 1,100 mm x 700 mm (44-? x 28-?) jaw chamber provides excellent material reduction and product sizing in the processing of blasted quarry rock and ore material. The jaw chamber is also available with optional hydraulic release, an excellent feature when 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 is powered by either a Tier 3/Stage 3A Caterpillar C9 261kW (350 hp) or a Tier 4i Scania DC9 70A 257kW (350 hp).

Hydrostatic transmission of the jaw chamber offers operators reversible operation in the event of a blockage. The crusher features hydraulic assist Chamber CSS (closed side setting) adjustment, and can be changed in a matter of minutes.