4099 PRO
4099 PRO
The 3,750 kg Rammer 4099 PRO is based on the field proven Rammer 4099 hammer. Suitable for carriers between 38 and 57 tons. The 4099 PRO shares with the 4099 many key features that have established that unit as one of the most popular large hammers in the world. These standard Rammer 4099 features are backed by a range of enhancements that help the 4099 PRO withstand extreme working conditions. The unit benefits from a sealed housing structure that prevents the ingress of dust and dirt, thereby extending the working life of both the hammer and the tool. A top cover plate has sealed through apertures for stump hydraulic hoses and features sealed hose connections for grease, air and water. The hammer has a sturdy housing design and wear resistant wear plates that make it perfect for horizontal working duties in applications such as tunneling.4099 PRO
Features
- High pressure membrane accumulator
- Indexable power cell (left or right handed)
- Vibration and sound suppressed
- PRO / Tunnel housing
- Optimized hydraulic connection points towards carrier
- PRO / Tunnel suspension
- FBE (Fixed Blow Energy)
- PRO / Tunnel powercell
- RamValve
- Idle blow protector
- Stroke selector
- VIDAT tie rods
- RAMLUBE I (optional)
- Factory Installed Ramdata II
- Ramair (optional)
- AGW (optional)
- RAMMER Water-Jet (dust suppression)
Applications
- Primary demolition
- Hammer tunneling
- Recycling
Specification
| Minimum working weight, flange mounted *1 | 3750 kg | 8270 lb |
| Weight | 3050 kg | 6720 lb |
| Working length | 3182 mm | |
| Impact rate, Long stroke | 360 – 560 bpm | |
| Impact rate, Short stroke | 540 – 670 bpm | |
| Operating pressure | 135 – 145 bar | 1960 – 2105 psi |
| Oil flow range | 250 – 320 l/min | 66.0 – 84.5 gal/min |
| Pressure relief setting *2 | 210 bar | 3045 psi |
| Pressure relief max | 230 bar | 3335 psi |
| Back pressure max | 12 bar | 175 psi |
| Input power | 77 kW | 175 hp |
| Tool diameter | 166 mm | 6.54 in |
| Pressure line connection (IN) | ORFS ISO 8434-3 (1 11/16-12 UN) | |
| Return line connection (OUT) | ORFS ISO 8434-3 (1 11/16-12 UN) | |
| Pressure line size, min. inner diameter | 32 mm | 1.26 in |
| Return line size, min. inner diameter | 32 mm | 1.26 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, optimum | 38 – 50 t | 83800 – 110200 lb |
| Carrier weight, range *3 | 38 – 57 t | 83800 – 125700 lb |
| Noise level, measured (2000/14/EC) | 124 dB(A) | |
| Noise level, guaranteed (2000/14/EC) | 128 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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