Robust. Ideal for CFA applications.
Performance and stability
With 175 kW, the KR 709-3G has a very high power for this weight class. The stable chassis ensures sufficient stability for pile drilling work, even with maximum drill mast equipment.
High torque
The new motor-powered drill mast type 303 has higher selection modulus, meaning higher torques than before can now be transferred (up to 53 kNm). For limitation and control of the feed force, a new, remote-controlled hydraulic circuit has been developed which is an integral component of the drill mast.
Auger drilling
The drilling rig is suitable for SFA and CFA applications. SFA = Segmented Flight Auger, CFA = Continouos Flight Auger.
Low headroom
A removable upper mast for the sectional drill mast type 303 makes it possible to work under a room height of min. 7.6 m.
Energy-efficient work
As with nearly all KLEMM drilling rigs, the equipment with the EEP package (EEP = Energy Efficient Power) is standard, also with the KR 709-3G machine. This significantly reduces fuel consumption and noise emissions.
Safe operation
The radio remote control of the drilling rig for all drilling, tramming and set-up functions is in accordance with EN 16228. The drilling rig complies with EN 16228, and the "SPM" mode (Special Protective Mode) is available for working without a guard under special circumstances, and the "ROM" mode (Restricted Operation Mode) for manually changing the drill rods.
Powerful hydraulics
The hydraulics system rests on a load-sensing double pump and a volume flow control independent of the load. For this new development, the operating pressure for drilling functions was increased to 350 bar.
Large drilling diameter
A new clamping device type "L", with special clamping jaws for continuous augers with a diameter of up to 610 mm and for casing pipes with a diameter of up to 660 mm, has been developed for centering and intercepting augers and casing pipes.
Advantages
Can be adjusted to the task at hand
- Rotary heads up to 54 kNm torque, e.g. KH 62
- 4" concreting swivel and laterally sliding carriage
- Hydraulic clamping devices for casings up to a maximum diameter of 660 mm
- Cable winch up to 10 kN pulling force and cathead
- High-pressure injection assembly kits
- Guards according to EN 16228
KLEMM benefits
Technical data
Chassis type | fixed undercarriage | ||
Total width | 2,600 mm | ||
Tractive force max. | 180 kN | ||
Crawler speed | 1.54 km/h | ||
Chain width | 600 mm (3-rib) | ||
Ground clearance | 320 mm | ||
Gradeability | 20 deg | ||
Ground pressure* | 58 kN/m2 | ||
Drilling rig weight | 19.5 t | ||
*) Ground pressure of the machine with even weight distribution, taking the total weight into account |
Mast type | 301/13 | 303/13 (for CFA) | 303/10 (for HPI) |
Frame length | 4,900 mm | 7,600 mm | 7,600 mm |
Extension (option) | - | 5,500 mm | 2,500 mm |
HDI lattice mast (option) | - | - | 6,000 + 4,000 + 3,000 mm |
HDI single pass depth (option) | - | - | 20,100 mm |
CFA Auger length max. | - | 10,000 mm | - |
Feed force | 130 / 65 kN | 130 / 65 kN | 100 / 50 kN |
Retraction force | 130 / 65 kN | 130 / 65 kN | 100 / 50 kN |
Feed rate | 5 / 9 m/min | 5 / 9 m/min | 5 / 9 m/min |
Retraction rate | 5 / 9 m/min | 5 / 9 m/min | 5 / 9 m/min |
Fast feed rate | 27 / 55 m/min | 27 / 55 m/min | 27 / 55 m/min |
Fast retraction rate | 27 / 55 m/min | 27 / 55 m/min | 27 / 55 m/min |
Do you need support?
Martin Bonzel
Regional Sales
Region: North America | Canada
