Rammer 3288E has been designed using a revolutionary new operating principle that combines stroke length, blow energy and Rammer’s idle blow protector, allowing the hammer to be adjusted to match individual carriers and applications, improving hydraulic efficiency and safety.

Minimum working weight, kg (lb) 2350-2450 (5180-5400)
Impact rate, Long Stroke, bpm 370-630
Impact rate, Short Stroke, bpm 460-740
Operating pressure, bar (psi) 150-160 (2175-2320)
Pressure relief, min bar (psi) 220 (3190)
Pressure relief, max bar (psi) 240 (3480)
Oil flow range, l/min (gal/min) 160-250 (42.3-66.0)
Back pressure, max bar (psi) 10 (145)
Input power, kW (hp) 67 (90)
Tool diameter, mm (in) 142 (5.59)
Carrier weight, allowed range t (lb) 26-42 (57300-92600)
Noise level, measured sound power level, LWA, dB 124
Noise level, guaranteed sound power level, LWA, dB 128