Power consumption 1,750 W Percussive power , max . 41 J Percussions per minute 1300 rpm No. of revolutions (no load) r.p.m. - R.p.m. rpm Weight 17.9 kg Length 760 mm Width 255 mm Hexagon socket tool holder 28mm Removal rates in medium - hard concrete approx. 1,700 kg / h