The Universal Trailers 4M Plant Trailer boasts a 3500kg ATM capacity and internal measurements of 1830 x 4000mm. Its steel chassis beams are hot-dipped galvanised prior to welding and built tough to handle hardship. The remainder of the trailer is also galvanised prior to welding. It has 12-inch electric brakes and 50x50mm solid axles as standard, with dependable large heavy-duty bearings. The trailer can be upgraded to a 4500kg ATM with an upgrade to 9-leaf suspension, 70mm Coupling and heavier safety chains to hand. Rocker roller suspension soaks up bumps while travelling at highway speeds and handles heavy loads due to its load-sharing design.