Rammer 2166 background

The All new Rammer 2166 hydraulic hammers is suitable for carriers in the 18 to 26 tonne range, the 1400 kg hammer with an impact rate of 430 - 790 blows per minute, features Rammer’s Fixed Blow Energy operating principle that ensures optimum impact energy with every blow, regardless of hydraulic flow fluctuations.


  • Membrane type accumulator
  • Sound supressed
  • 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



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



Minimum working weight, flange mounted *1 1400 kg 3090 lb
Bare weight 1180 kg 2600 lb
Impact rate (frequency) 430 - 790 bpm
Operating pressure 140 - 160 bar 2030 - 2320 psi
Pressure relief min  *2 210 bar 3045 psi
Pressure relief max 230 bar 3335 psi
Oil flow range 120 - 180 l/min 31.7 - 47.6 gal/min
Back pressure max 10 bar 145 psi
Input power 48 kW 64 hp
Tool diameter 125 mm 4.92 in
Pressure line connection (IN) SAE 6000 psi 1 1/4"
Return line connection (OUT) SAE 6000 psi 1 1/4"
Pressure line size  *3 26 mm 1.02 in
Return line size  *3 26 mm 1.02 in
Grease connection and Air connection (A) BSPP-internal 3/8"
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 16 - 26 t 35300 - 57300 lb
Noise level, guaranteed (2000/14/EC) 125 dB (A)
Noise level, measured (2000/14/EC) 121 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 allowed attachment weight from carrier manufacturer. Check application requirements.

Specifications are subject to change without notice.


More Information

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