Used 2019 MAC 53'x102" Quad Axle Flat Semi. 14" kingpin, air ride suspension, rear lift and steer axle, 15'5" spread - CDN legal, alum wheels, (2) toll boxes, (1) dunnage rack, trailer is in excellent condition with new DOT completed with all tires and brakes 50% or better. ​MAC TRAILER MFG 53' QUAD AXLE​