155E


The Rammer 155E is one of the fastest hitting hydraulic hammers. The 90 kg hammer is suitable for carriers in the 0.6 to 1.8 tonne range.

The Rammer 155E hammer features an integrated tubular membrane type accumulator which maximizes its surface area, to deliver the maximum breaking power.

The 155E comes with the remote monitoring hardware RD3 installed.

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  • Features
    • Twin handed
      The twin handed design allows optimal mounting on both left and right handed carriers, prolonging the service life of the hose connections. Easy installation for hydraulic quick hitch mounting brackets.
    • Tubular accumulator
      The leak-free tubular accumulator is filled with nitrogen and requires no maintenance or time-consuming recharging between maintenance intervals. With its large surface area and short hydraulic connections to the piston, it effectively reduces pressure fluctuations in the hydraulic system and ensures maximum piston acceleration and high impact frequency. This design provides 100% power at all times.
    • Vibration and sound suppressed
      Less vibrations and at the same time significantly lower noise levels are achieved with this ultra-modern, low-wear design. This protects the operator, the carrier and relieves the environment. This extends your range of applications on narrow job sites and wherever noise protection is required.
    • Pin and flange mounting
      Pin or bracket for quick hitch or direct mounting
    • PRS (Pressure Release System)
      The pressure release system (PRS) allows for the faster and safer removal of hose connections when dismounting.
    • No tie rods
      A smart design without tie rods allows for ideal guidance of the piston and optimal alignment of the tool. Fast, safe and easy to maintain without the need for special tools.
    • Single part tool bushing retained with shared tool pin
      The one-piece quick-change tool bushing inludes a thrust ring, the upper and the lower tool bushing into one component. This quick-change tool bushing can easily be replaced on site, making maintenance easier, faster and safer.
    • Fast-change tool system
      Quick and safe tool change system transverse to the hammer. No need to reach under the hammer during tool change.
    • RD3 incl. SAM (as standard)
      RD3 for SAM as standard. Online hour meter and location tracking in Google MapsTM. For further information, please contact your Rammer distributor.
  • Applications
    • Primary demolition
      Demolition of standing buildings and structures.
    • Trenching
      Trenching is a form of primary breaking in which a narrow trench is excavated especially for laying pipes, cables or for installing drainage
    • Secondary demolition
      Demolition of larger pieces on the ground (size reduction, separation and preliminary sorting tasks)
    • Recycling
      Re-using parts or material which has been extracted from existing buildings or structures. Recyclng of products: Re-use of material or parts as such Recycling of material: Re-use of material for other purposes
    • Cutting of asphalt or frozen ground
      The RAMMER "Spade tool" was specially developed for cutting of asphalt or frozen ground in road construction or infrastructure.
    • Landscaping
      Gardening, graveyard and landscaping applications, hard ground and removal of smaller boulders, concrete fundaments or similar.
  • Specification
    Minimum working weight, flange mounted  *190 kg200 lb
    Minimum working weight, pin mounted  *290 kg200 lb
    Weight74 kg160 lb
    Working length884 mm
    Impact rate (frequency)1000 – 2600 bpm
    Operating pressure80 – 130 bar1500 – 1900 psi
    Oil flow range15 – 33 l/min4 – 9 gal/min
    Pressure relief setting  *3130 – 180 bar1900 – 2600 psi
    Pressure relief max220 bar3200 psi
    Back pressure max20 bar300 psi
    Input power7.2 kW10 hp
    Tool diameter36 mm1.42 in
    Pressure line connection (IN)BSPP-internal 1/2″
    Return line connection (OUT)BSPP-internal 1/2″
    Pressure line size, min. inner diameter12 mm0.47 in
    Return line size, min. inner diameter12 mm0.47 in
    Optimum oil temperature40 – 60 °C104 – 140 °F
    Allowed oil temperature range-20 – 80 °C-4 – 176 °F
    Optimum oil viscosity at operating temperature30 – 60 cSt
    Allowed viscosity range20 – 1000 cSt
    Skid steer, robot weight, optimum0.7 – 1.0 t1500 – 2200 lb
    Skid steer, robot weight, range  *40.6 – 1.3 t1300 – 2900 lb
    Miniexcavator weight, optimum1.0 – 1.5 t2200 – 3300 lb
    Miniexcavator weight, range  *40.8 – 1.8 t1800 – 4000 lb
    Noise level, measured (2000/14/EC)115 dB(A)
    Noise level, guaranteed (2000/14/EC)119 dB(A)
    *1   Includes average mounting bracket and standard wear parts
    *2   Includes average mounting pins and standard wear parts
    *3   Minimum setting = actually measured operating pressure + 50 bar or 725 psi
    *4   Check carrier allowed attachment weight from carrier manufacturer. Check application requirements.

    Specifications are subject to change without notice (Wednesday, August 23, 2023)

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