
Powerscreen Chieftain 400 Powerscreen Chieftain 1400 International Leading Supplier and Manufacturer of Material Processing Equipment based in Liverpool, New York, USA Powerscreen Xa400s Amp Xr400s Emerald Equipment. Description powerscreen 174 x400s Series High-Performance primary jaw crusher is designed for medium-sized operators for quarrying, demolition, recycling and mining applications. This series includes xa400s with hydraulic adjustment and xr400s with hydraulic release device.