Rammer1322E

Rammer 1655E

The Rammer 1655E hydraulic rockbreaker features Rammer’s Fixed Blow Energy operating principle, which ensures optimum impact energy with every blow, regardless of hydraulic flow fluctuations.

This 1,100kg (flange mounted) rockbreaker has an impact rate of 540–920 blows per minute and it is suitable for carriers between 12 and 20 tonnes.

The Rammer 1655E comes with the remote monitoring hardware RD3 installed.

Key Specifications

Product Weight

890kg

Product Carrier Weight

12.0 – 20.0 t

Oil Flow Range

90 – 130 l/min

Features

  • 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. MyFleet (as standard)
  • Air connection
  • Ramair (optional)

Applications

  • Secondary breaking
  • Primary demolition
  • Secondary demolition
  • Boom mounted applications
  • Underwater breaking
  • Trenching

Compatible with Standard Chisel Tool, Moil Point Tool, Pyramid Tool, Standard blunt Tool, Long blunt Tool.

Specifications

Minimum Working Weight, flange mounted *1

1100 kg

Weight

890 kg

Working length

mm

Impact rate (frequency)

540 - 920 bpm

Operating pressure

135 - 145 bar

Pressure relief setting *2

190 bar

Pressure relief max

220 bar

Back pressure max

10 bar

Input power

31 kW

Tool diameter

115 mm

Pressure line connection (IN)

SAE 6000 psi 1"

Return line connection (OUT)

SAE 6000 psi 1"

Pressure line size, min. inner diameter

26 mm

Return line size, min. inner diameter

26 mm

Oil flow range
90-130 l/min

Grease connection

BSPP-internal 3/8"

Optimum oil temperature

40 - 60°C

Allowed oil temperature range

-20 - 80°C

Optimum oil viscosity at operating temperature

30 - 60 cSt

Allowed viscosity range

20 - 1000 cSt

Carrier weight, range *3
12 - 20 t

Noise level, measured (2000/14/EC)

123 dB(A)

Noise level, guaranteed (2000/14/EC)

127 dB(A)

Air Connection (A)

BSPP-internal 3/8"

  • *1   Includes average mounting bracket and standard wear parts
  • *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.