Designed to satisfy the specific demands of rental fleet operators, the 555E is designed for optimum carrier compatibility and installation flexibility. The 555E features a pivoting hose connecting block and a reversible manifold that allows for right or left hand hose connections, in addition to it’s ability to accept a wide range of oil flows and pressures. The Rammer 555E comes with the remote monitoring hardware RD3 installed.

SPECIFICATION

Minimum working weight, flange mounted  *1 275 kg 610 lb
Weight 228 kg 500 lb
Working length 1261 mm 49.6 in
Impact rate (frequency) 600 – 1800 bpm
Operating pressure 90 – 140 bar 1305 – 2030 psi
Pressure relief setting  *2 140 – 200 bar 2030 – 2900 psi
Pressure relief max 220 bar 3190 psi
Pressure in LP-circuit 36 – 38 bar 520 – 550 psi
Oil flow range 36 – 90 l/min 9.2 – 23.8 gal/min
Back pressure max 20 bar 290 psi
Input power 21 kW 28 hp
Tool diameter 72 mm 2.83 in
Pressure line connection (IN) BSPP-internal 3/4″
Return line connection (OUT) BSPP-internal 3/4″
Pressure line size, min. inner diameter 19 mm 0.75 in
Return line size, min. inner diameter 19 mm 0.75 in
Optimum oil temperature 40 – 60 °C 104 – 140 °F
Allowed oil temperature range -20 – 80 °C -4 – 176 °F
Optimum oil viscosity at operating temperature 30 – 60 cSt
Allowed viscosity range 20 – 1000 cSt
Skid steer, robot weight, optimum 2.4 – 3.9 t 5290 – 8600 lb
Skid steer, robot weight, range  *3 1.9 – 5.3 t 4200 – 11680 lb
Miniexcavator, tractor backhoe weight, Optium 3.6 – 5.8 t 7900 – 12800 lb
Miniexcavator, tractor backhoe weight, Range  *3 3.2 – 8.0 t 7050 – 17600 lb
Noise level, measured (2000/14/EC) 118 dB(A)
Noise level, guaranteed (2000/14/EC) 122 dB(A)
*1   Includes average mounting bracket and standard tool
*2   Minimum setting = actually measured operating pressure + 50 bar or 725 psi
*3   Check carrier allowed attachment weight from carrier manufacturer. Check application requirements.

Specifications are subject to change without notice (Monday, July 1, 2019)