auto tank for truck and trailer We have the ... exported to many countries. The parts are as follow: Auto tank,Twist lock, fifth wheel for York and Yost: ... spring clamp late, square spring plate, press plate, front hanger, leaf springs, brake chambers etc. for the 770, 930, 90 series. ... supply high quality landing gear,slack adjuster,twist lock,leaf spring,fifth wheel,king pin,suspension parts, axle etc ...