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Product Weight
870kg

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Product Carrier Weight
12-20 t

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Oil Flow Range
90-130 l/min

The All new Rammer 1655 hydraulic hammers is suitable for carriers in the 12 to 20 tonne range, the 870 kg hammer with an impact rate of 500 - 940 blows per minute, features Rammer’s Fixed Blow Energy operating principle that ensures optimum impact energy with every blow, regardless of hydraulic flow fluctuations.

 

Features

  • Membrane type accumulator
  • Sound suppressed
  • FBE (Fixed blow energy)
  • Lifetime warranty
  • Ramlube II (Optional)
  • Ramair (Optional)
  • Idle blow protector (Optional)
  • Soft blow sensor (Optional)
  • Indexable power cell (left or right handed)
  • Flange mounting
  • Heavy Duty Housing
  • RamValve

Applications

  • Primary Demolition
  • Boulder Breaking
  • Trenching
  • Secondary Demolition
  • Asphalt Cutting

Compatible with Standard Chisel Tool, Moil Point Tool, Pyramid Tool, Standard Blunt Tool, Ramlube l, Ramlube ll, and Special Grease Tool

  Metric Imperial
Weight 870 kg 1920 lb
Minimum working weight, flange mounted *1 1090 kg 2400 lb
Impact rate (frequency) 540-920 bpm  
Operating pressure 135-145 bar 1960-2105 psi
Presure relief min *2 190 bar 2755 psi
Pressure relief max 220 bar 3190 psi
Oil flow range 90-130 l/min 23.8-34.3 gal/min
Back pressure max 10 bar 145 psi
Input power 31 KW 42 hp
Tool diameter 115 mm 4.53 in
Pressure line connection (IN) SAE 6000 psi 1 in  
Return line connection (OUT) SAE 6000 psi 1 in  
Pressure line size *3 26 mm 1.02 in
Return line size *3 26 mm 1.02 in
Grease connection BSPP-internal 3/8 in  
Air connection (A) BSPP-internal 3/8 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  
Carrier weight, range *4 12-20 t 26500-44100 lb
Noise level, measured (2000/14/EC) 123 dB(A)  
Noise level, guaranteed (2000/14/EC) 127 dB(A)  

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