The Reyco Granning model 102 steel spring drive axle suspension has a proven track record as a rugged, reliable truck suspension. Rugged enough in fact, to see duty on combat defense vehicles as well. This suspension is offered on many Class 7 & 8 vocational trucks. Extra clearance is created by the torque arms attaching to the axle seats near the top of the axle is desirable for many chassis designers.