America’s Trailer Company is proud to introduce the ABD 420 semi bottom dump trailer equipped with an optional hydraulic deployable pin on tag axle system which enables a rapid and easy transition from a 42 foot tandem axle to a 48 foot tri axle configuration.  Composite construction technology employing advanced materials yields a 28 cubic yard / 32 ton capacity hopper with a 13,478 pound nominal tare weight based upon specified running gear.