Patent ID: 7762617

Claim:
A trailer comprising: a chassis; a body connected to the chassis, said body comprising an open-top cargo-retaining space adapted to carry a bulk commodity payload; an axle subassembly connected to the chassis, said axle subassembly including at least one set of left and right wheel and tire assemblies to rollably support the chassis; a landing gear assembly connected to one or both of the chassis and body and comprising legs that are selectively deployed to support a forward end of the trailer; a kingpin located at said forward end of said trailer and adapted for connection to a fifth-wheel of an associated vehicle used to pull the trailer; said body further comprising: left and right bottom rails; left and right top rails spaced vertically above said left and right bottom rails, respectively; a horizontal floor extending between said left and right bottom rails, said floor comprising a plurality of abutted one-piece extruded panels that each extend horizontally between and contact said left bottom rail and said right bottom rail; each of said extruded panels comprising spaced-apart inner and outer walls interconnected by spaced-apart first and second end walls, said inner and outer walls also interconnected by at least one web that spans a space between said inner and outer walls so as to define at least two hollow cores in said extruded panel; a left vertical sidewall connected to and extending between said left bottom rail and said left top rail; a right vertical sidewall connected to and extending between said right bottom rail and said right top rail.