Rammer 2577E hydraulic hammer is suitable for carriers in the 21 to 32 tonne range. The 1,670 kg hammer with an impact rate of 450 to 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 Rammer 2577E comes with the remote monitoring hardware RD3 installed.

Minimum working weight, kg (lb) 1670 (3680)
Impact rate, bpm 450-750
Operating pressure, bar (psi) 135-145 (1960-2105)
Pressure relief, min bar (psi) 190 (2755)
Pressure relief, max bar (psi) 220 (3190)
Oil flow range, l/min (gal/min) 140-200 (37.0-52.8)
Back pressure, max bar (psi) 10 (145)
Input power, kW (hp) 48 (64)
Tool diameter, mm (in) 135 (5.31)
Carrier weight, allowed range t (lb) 21-32 (46300-70500)
Noise level, measured sound power level, LWA, dB 120
Noise level, guaranteed sound power level, LWA, dB 124