Product Weight


Product Carrier Weight
5.8-13.0 t


Oil Flow Range
50-150 l/min

Rammer's 999 heat resistant hydraulic hammer, has been designed to withstand the toughest of applications that this size of hammers may be utilized in. Heat resistant seals and heavy duty housing protect vital components and ensure that no job is too tough.



  • Single lower tool bushing
  • Membrane type accumulator
  • Twin-handed
  • Sound suppressed
  • No tie rods
  • CBE+ (Constant blow energy plus)
  • Heat Resistant Seals


  • Metallurgical industry

Compatible with Standard Chisel Tool, Moil Point Tool, Asphalt Cutting Parallel Tool, Asphalt Cutting Traverse Tool, Compacting Plate Tool and Special Tool Grease.

  Metric Imperial
Weight 415 kg 910 lb
Working Length 1669 mm 65.7 in
Minimum working weight, flange mounted *1 540 kg 1110 lb
Impact rate (frequency) 500-1700 bpm  
Operating pressure 100-140 bar 1450-2030 psi
Pressure relief min *2 150-190 bar 2175-2755 psi
Pressure relief max 220 bar 3190 psi
Pressure in LP-circuit 36-38 bar 520-550 psi
Oil flow range 50-150 l/min 13.2-39.6 gal/min
Back pressure max 20 bar 290 psi
Input power 35 KW 47 hp
Tool diameter 90 mm 3.54 in
Pressure line connection (IN) BSPP-internal 1 in  
Return line connection (OUT) BSPP-internal 1 in  
Pressure line size *3 26 mm 1.02 in
Return line size *3 26 mm 1.02 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, optimum 6.6-10.6 t 14600-23400 lb
Miniexcavator, tractor backhoe weight, range *4 5.8-13.0 t 12800-28700 lb
Skid steer, robot weight, optimum 4.4-7.1 t 9700-15700 lb
Skid steer, robot weight, range *4 3.9-8.7 t 8600-19200 lb
Noise level, measured (2000/14/EC) 123dB(A)  
Noise level, guaranteed (2000/14/EC) 127dB(A)  

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