Chassis made in steel tube 180mm x 100mm x 8mm. High resistance steel discs; with toothed discs in the front and even discs in the back. Disc shaft 40 mm supported on bearings, perfectly protected with lubrication grease. Scrappers with independent adjustment. Hydraulical adjustment of the cutting angle of the discs. Wheels for transportation and depth control (500/75x17), hydraulically operated. Trailer working draw bar with height adjustment, with springs and pads. Eraser disc. Hydraulic brake. Lightening set. Transportation width: 2,50 m.