Harrow BDTM-7,5x3 intended for preplant treatment of soil for grain, technical and fodder crops. Harrow carries on chopping and incorporation of crop residues predecessor and weeds. Harrow is designed for work with tractors of class 7-9 cu. Type trailer Productivity per hour of basic time, hectares to 7.4-8 Working speed, km/h 6,0-15,0 Transport speed, km/h 20,0 Width, m 7,5 Depth, cm 6-12 Weight, kg 9770 Overall dimensions, mm — length 7790±50 — width of 4000±50 — the height of 3350±30 Road clearance, mm 300 The number of working bodies in a row, PCs: 66 The angle of slope of racks of disks, deg 10 Attack angle, deg 0-25 Diameter of disc mm 560 Aggregation of the tractor class 7-9 TC