HYDRAULIC HAMMER BREAKER FOR EXCAVATOR FROM 7 TO 11 TONS FOR EXCAVATOR FROM 7 TO 11 TONS Min. working weight, flange mounted *1,505 kg (1,110 lb) Weight 415 kg (910 lb) Impact rate (frequency) 500 - 1,700 bpm Operating pressure 100 - 140 bar (1,450 - 2,030 psi) Oil flow range 50 - 150 l/min (13 - 40 gal/min) Pressure relief setting *2,150 - 190 (2,175 - 2,755 ) 1) Pressure relief max 220 bar Pressure in LP-circuit 36 - 38 (520 - 550 ) Back pressure max 20 bar (290 psi) Input power 35 kW (47 hp) Tool diameter 90 mm (4 in) Pressure line connection (IN) BSPP-internal 1" Return line connection (OUT) BSPP-internal 1" Pressure line size, min. inner diameter 26 mm (1 in) Return line size, min. inner diameter 26 mm (1 in) Optimum oil temperature 40 - 60 °C (104 - 140 °F) Allowed oil temperature range - 80 °C ( - 176 °F) Optimum oil viscosity at operating temperature 30 - 60 cSt Allowed viscosity range 20 - cSt Skid steer, robot weight, optimum 4 - 7 t (9,700 - 15,700 lb) Skid steer, robot weight, range *3 4 - 9 t (8,600 - 19,200 lb) Noise level, measured (2000/14/EC) 123.00 dB(A) Noise level, guaranteed (2000/14/EC) 127.00 dB(A) Miniexcavator, tractor backhoe weight, Optium 7 - 11 t (- lb) Miniexcavator, tractor backhoe weight, Range *3 6 - 13 t (12,800 - 28,700 lb)