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.
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. 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.
| Weight | 890 kg |
| Minimum working weight, flange mounted *1 | 1100 kg |
| Impact rate (frequency) | 540-920 bpm |
| Operating pressure | 135-145 bar |
| Presure relief setting *2 | 190 bar |
| Pressure relief max | 220 bar |
| Oil flow range | 90-130 l/min |
| Back pressure max | 10 bar |
| Input power | 31 KW |
| Tool diameter | 115 mm |
| Pressure line connection (IN) | SAE 6000 psi 1 in |
| Return line connection (OUT) | SAE 6000 psi 1 in |
| Pressure line size | 26 mm |
| Return line size | 26 mm |
| Grease connection | BSPP-internal 3/8 in |
| Air connection (A) | BSPP-internal 3/8 in |
| 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) |
