rammer

555

Rammer 555 rockbreakers have been designed to satisfy the specific demands of rental fleet operators. Weighing 275 kg, Rammer 555, is designed for optimum carrier compatibility and installation flexibility. A flange top-mount for adapter installation, pivoting hose connecting block, reversible manifold, right or left-hand hose connections, and the ability to accept a wide range of oil flows and pressures allow Rammer 555 to work with a broad range of carrier optimum fleet utilisation.

Rammer 555 rockbreakers benefit from 40 percent more power and 20 percent higher blow frequencies than the model it replaces for enhanced power-to-weight ratios and highest possible productivity levels.

Features

  • Single lower tool bushing
  • Membrane type accumulator
  • Twin-handed
  • Sound supressed
  • Ramlube I (Optional)
  • CBE+ (Constant blow energy plus)
  • No tie rods

Applications

  • Primary Demolition
  • Secondary Demolition
  • Trenching
  • Asphalt Cutting
  • Ground Compacting

Specifications

Weight 228 kg 500 lb
Working length 1261 mm 49.6 in
Minimum working weight, flange mounted  *1 275 kg 610 lb
Impact rate (frequency) 600 - 1800 bpm
Operating pressure 90 - 140 bar 1305 - 2030 psi
Pressure relief min  *2 140 - 200 bar 2030 - 2900 psi
Pressure relief max 220 bar 3190 psi
Pressure in LP-circuit 36 - 38 bar 520 - 550 psi
Oil flow range 36 - 90 l/min 9.2 - 23.8 gal/min
Back pressure max 20 bar 290 psi
Input power 21 kW 28 hp
Tool diameter 72 mm 2.83 in
Pressure line connection (IN) BSPP-internal 3/4"
Return line connection (OUT) BSPP-internal 3/4"
Pressure line size  *3 19 mm 0.75 in
Return line size  *3 19 mm 0.75 in
Optimum oil temperature 40 - 60 °C 104 - 140 °F
Allowed oil temperature range -20 - 80 °C -4 - 176 °F
Optimum oil viscosity at operating temperature 30 - 60 cSt
Allowed viscosity range 20 - 1000 cSt
Miniexcavator, tractor backhoe weight, Optium 3.6 - 5.8 t 7900 - 12800 lb
Miniexcavator, tractor backhoe weight, Range  *4 3.2 - 8.0 t 7050 - 17600 lb
Skid steer, robot weight, optimum 2.4 - 3.9 t 5290 - 8600 lb
Skid steer, robot weight, range  *5 1.9 - 5.3 t 4200 - 11680 lb
Noise level, measured (2000/14/EC) 118 dB(A)
Noise level, guaranteed (2000/14/EC) 122 dB(A)
*1   Includes average mounting bracket and standard tool
*2   Minimun setting = actual operating pressure + 50 bar or 725 psi
*3   minimum inner diameter
*4   Check carrier's lifting capacity from carrier manufacturer
*5   Check carrier allowed attachment weight from carrier manufacturer. Check application requirements.

 

More Information

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