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Product Weight
190kg

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Product Carrier Weight
2.1-3.1t

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Oil Flow Range
40-70 l/min

Rammer’s Small range are designed to deliver high blow frequency and power where and when you need it regardless of the application. The 255, 355 and 455 are your no fuss, Plug and play solution for carriers between 1.2 and 5.2 ton. Protected by their box type housing, these hammers produce less noise and vibration, whilst are strong enough to take a beating. Rammer’s plug and play theory makes installation quick and easy, and makes work with multiple carriers a dream.

 

Features

  • Single lower tool bushing
  • Membrane type accumulator
  • CBE (Constant blow energy)
  • No tie rods
  • Light weight

Applications

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

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

  Metric Imperial
Weight 190 kg 420 lb
Working Length 1126 mm 44.3 in
Minimum working weight, flange mounted *1 230 kg 510 lb
Impact rate (frequency) 700-2600 bpm  
Operating pressure 100-170 bar 1450-2465 psi
Pressure relief min *2 150-220 bar 2175-3190 psi
Pressure in LP-circuit 36-38 bar 520-550 psi
Oil flow range 40-70 l/min 10.6-18.5 gal/min
Back pressure max 20 bar 290 psi
Input power 19.8 KW 27 hp
Tool diameter 56 mm 2.20 in
Pressure line size *3 16 mm 0.63 in
Return line size *3 16 mm 0.63 in
Optimum oil temperature 40-60°C 104-140°F
Allowed oil temperature range -20-80°C -4-140°F
Optimum oil viscosity at operating temperature 30-60 cSt  
Allowed viscosity at operating temperature 20-1000cSt  
Miniexcavator weight, optimum 3.1-4.6 t 6800-10100 llb
Miniexcavator weight, range *4 2.7-5.2 t 6000-6800 lb
Skid steer, robot weight, optimum 2.1-3.1 t 4600-6800 lb
Skid steer, robot weight, range *4 1.8-3.5 t 4000-7700 lb
Noise level, measured (2000/14/EC) 115 dB(A)  
Noise level, guaranteed (2000/14/EC) 119 dB(A)  

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