PPRS39 semi-trailer for transporting construction machinery and poles with a gross weight of 39 tons for the company Bošković from Vinkovci. The maximum allowable weight of the semi-trailer is 39 tons, resulting in a useful payload of 32.1 tons.

The semi-trailer features a loading space length of 11500 mm, with a loading height of approximately 950 mm. The platform is equipped with aluminum side panels, and two pairs of removable stakes with wooden beams are mounted on the platform to facilitate the transport of concrete poles. The platform floor includes seven pairs of lashing rings with a 5-ton load capacity each.

Loading construction machinery onto the platform is done via aluminum ramps, which are mounted onto dedicated supports. Additionally, rear stabilizers are installed at the back of the semi-trailer to aid in the loading of machinery.

The company Bošković d.o.o., based in Vinkovci, specializes in the construction of power and telecommunication lines.