Medium Range: 1655E
Medium Range: 1655E
The Rammer 1655E hydraulic hammer is suitable for carriers in the 12 to 20 tonne range. The 1,100 kg hammer with an impact rate of 540–920 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 1655E comes with the remote monitoring hardware RD3 installed.Medium Range: 1655E
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 carrir
- 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
Specification
| Minimum working weight, flange mounted *1 | 1100 kg | 2430 lb |
| Weight | 890 kg | 1960 lb |
| Impact rate (frequency) | 540 – 920 bpm | |
| Operating pressure | 135 – 145 bar | 1960 – 2105 psi |
| Oil flow range | 90 – 130 l/min | 23.8 – 34.3 gal/min |
| Pressure relief setting *2 | 190 bar | 2755 psi |
| Pressure relief max | 220 bar | 3190 psi |
| Back pressure max | 10 bar | 145 psi |
| Input power | 31 kW | 42 hp |
| Tool diameter | 115 mm | 4.53 in |
| Pressure line connection (IN) | SAE 6000 psi 1″ | |
| Return line connection (OUT) | SAE 6000 psi 1″ | |
| Pressure line size, min. inner diameter | 26 mm | 1.02 in |
| Return line size, min. inner diameter | 26 mm | 1.02 in |
| Grease connection | BSPP-internal 3/8″ | |
| Air connection (A) | BSPP-internal 3/8″ | |
| 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 | |
| Carrier weight, range *3 | 12 – 20 t | 26500 – 44100 lb |
| Noise level, measured (2000/14/EC) | 123 dB(A) | |
| Noise level, guaranteed (2000/14/EC) | 127 dB(A) | |
| *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. |
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