CFA Drilling Rig E70/20
The EVOMAQ® E70/20 drilling rig delivers high torque performance, comparable to machines classified as large-sized rigs. It has a drilling capacity of up to 700 mm (27.5 in) in diameter and 20 meters (66 ft) in depth. Developed on an excavator chassis, the E70/20 combines power and efficiency in a compact format.
The E70/20, with its compact size, is truly a large drilling rig disguised as a small one.
High torque of 12,000 kgf.m.
In this model, we’ve hidden a large machine inside a small one!
The EVOMAQ® E70/20 offers torque levels comparable to those of much larger machines, a major advantage that enhances both daily productivity and the rig’s ability to break through dense soil layers.
Designed to operate with two Linde hydraulic motors and equipped with two Brevini reducers, this head delivers a maximum torque of 12,000 kgf.m while remaining compact. This configuration reduces component wear and provides a significant increase in productivity and performance.
Other market-available configurations for benchmarking and comparison:
Weight: approximately 40 tons
Torque: approximately 12,000 kgf.m
EVOMAQ E70/20:
Weight: approximately 20–22 tons
Torque: approximately 12,000 kgf.m
TOP DRIVE Drill Head
The EVOMAQ® Continuous Flight Auger (CFA) system includes a high-tech monitoring computer that generates accurate, real-time drilling and concreting data, displayed through detailed graphs — ensuring reliability and full control for the operator.
As previously mentioned, the EVOMAQ® E70/20 is a large rig disguised as a small one — and this is proven not only by its impressive torque but also by its drilling capacity of up to 700 mm in diameter, offering greater autonomy and flexibility for project execution, all within a total weight of around 21 tons.
To maintain the auger’s alignment during drilling, the EVOMAQ® CFA rig is equipped with a universal hydraulic clamp system suitable for all auger diameters. This design ensures greater safety and ease of operation for assistants working during the drilling process.
Features 360° rotation, maximizing both operational efficiency and safety. Can be built on excavator chassis from Volvo, Hyundai, or SANY.
A reinforced and heavy-duty rack system with ratchets, locks, and steel cables ensures greater safety during transport, assembly, and handling, providing operational reliability on-site.
| Specifications | P70/20 | E70/20 | E80/25 | E1200/31 | MAX POWER P1100/28 | E1000/31 |
|---|---|---|---|---|---|---|
| Transport Weight | 21.000 kg | 22.000 kg | 55.000 kg | 70.000 kg | 52.000 kg | 
 * |
| Minimum Drilling Diameter | 250 mm | 250 mm | 300 mm | 300 mm | 300 mm | 300 mm |
| Maximum Drilling Diameter | 700 mm | 700 mm | 800 mm | 1.200 mm | 1.100 mm | 1.000 mm |
| Maximum Drilling Depth | 20 m (14+6) | 20 m (14+6) | 25 m (19+6) | 31 m (24+7) | 28 m (22+6) | 31 m (24+7) |
| Extraction Force | 45.000 kgf | 45.000 kgf | 64.000 kgf | 110.000 kgf | 80.000 kgf | 80.000 kgf |
| Maximum Torque | 12.000 kgf.m | 12.000 kgf.m | 18.000 kgf.m | 32.000 kgf.m | 22.000 kgf | 22.000 kgf |
| 1st Gear Rotation | 14 RPM | 14 RPM | 10 RPM | 14 RPM | 14 RPM | 14 RPM |
| 2nd Gear Rotation | 18 RPM | 18 RPM | 19 RPM | 20 RPM | 18 RPM | 20 RPM |
| 3nd Gear Rotation | 22 RPM | 22 RPM | 25 RPM | 26 RPM | 28 RPM | 26 RPM |
| 4th Gear Rotation | 32 RPM | 32 RPM | 32 RPM | 35 RPM | 34 RPM | 35 RPM |
| Engine Power | 215 cv | 
 * |
 * |
* |
330 cv |
* |
| Track Length | 4.450 mm | 4.200 mm | 4.500 mm | 6.000 mm | 5.000 mm |
* |
| Track Width | 600 mm | 700 mm | 800 mm | 800 mm | 750 mm |
* |
| Travel Speed | 2 km/h | 4 km/h | 4 km/h | 4 km/h | 2 km/h |
* |
| Inclination | 5,03° |
* |
3° | 3,5° | 3° | |
| Height (Working) | 23.047 mm | 23.192 mm | 29.420 mm | 35.110 mm | 29.553 mm | 35.110 mm |
| Height (Transport) | 2.750 mm | 2.990 mm | 3.584 mm | 3.600 mm | 3.632 mm | 3.600 mm |
| Length (Working) | 5.811 mm | 5.875 mm | 7.030 mm | 11.000 mm | 8.311 mm | 11.000 mm |
| Length (Transport) | 9.500 mm | 9.377 mm | 16.031 mm | 20.675 mm | 15.217 mm | 20.675 mm |
* In this equipment model, the customer may choose the chassis brand of their preference, such as Volvo, Hyundai, or Sany. For other chassis manufacturers, please check availability with the Engineering Department.
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