Our New Dunn Road Facilities - VideoBy: Sloanebuilt Trailers' new Sydney design and manufacturing hub; a 9 acre site with over 40,000 square metres under roof. Come see our new site or contact us about our: - PBS truck trailer combinations built to maximise your payload, productivity, and safety - Innovative Tridem and Five-Axle Dog truck trailers which work within existing PBS networks - Light weight, high productivity B-Double combinations suited to commodity applications All truck trailers are custom designed, engineered, and manufactured to suit Australian conditions.