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Product Weight
1,410kg

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Product Carrier Weight
21-32 t

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Oil Flow Range
140-200 l/min

The 1,410kg Rammer 2577E rockbreaker with an impact rate of 450 – 750 blows per minute features Rammer’s Fixed Blow Energy operating principle, which ensures optimum impact energy with every blow, regardless of hydraulic flow fluctuations.

The 2577E is suitable for carriers in the 21 to 32 tonne range and it comes with the remote monitoring hardware RD3 installed.

View Product brochure.

Features
  • High pressure membrane accumulator
  • Service access to high pressure membrane accumulator
  • Indexable power cell (left or right handed)
  • Vibration and sound suppressed
  • Heavy Duty housing (round corners)
  • Stone claws on housing
  • Optimized hydraulic connection points towards carrier
  • FBE (Fixed Blow Energy)
  • RamValve
  • Idle blow protector
  • VIDAT tie rods
  • Fast-change tool system
  • Field replaceable lower tool bushing
  • RAMLUBE I (optional)
  • RAMLUBE II (optional)
  • RD3 incl. as standard
  • Air connection
  • Ramair (optional)
Applications
  • Primary breaking
  • Secondary breaking
  • Primary demolition
  • Secondary demolition
  • Boom mounted applications
  • Underwater breaking
  • Trenching 

Compatible with Standard Chisel Tool, Long Chisel Tool, Hard Rock Chisel Tool, Limestone Chisel Tool, Moil Point Tool, Long Moil Point Tool, Pyramid Tool, Standard blunt Tool, Long blunt Tool, Super Blunt Tool.

   
Weight 1410 kg
Working Length 2299 mm
Minimum working weight, flange mounted *1 1670 kg
Impact rate (frequency) 450-750 bpm
Operating pressure 135-145 bar
Pressure relief setting *2 190 bar
Pressure relief max 220 bar
Oil flow range 140-200 l/min
Back pressure max 10 bar
Input power 48 KW
Tool diameter 135 mm
Pressure line connection (IN) SAE 6000 psi 1 1/4 in
Return line connection (OUT) SAE 6000 psi 1 1/4 in
Pressure line size 26 mm
Return line size 32 mm
Grease connection BSPP-internal 3/8 in
Air connection (A) BSPP-internal 3/8 in
Optimum oil temperature 40-60*C
Allowed oil temperature range -20-80°C
Optimum oil viscosity at operating temperature 30-60cSt
Allowed viscosity range 20-1000cSt
Carrier weight, optimum 23-30 t
Carrier weight, range *3 21-32 t
Noise level, measured (2000/14/EC) 120 dB(A)
Noise level, (2000/14/EC) 124 dB(A)

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