HKM DC20
Drum Cutter
Delivers powerful performance in large trenching and tunneling projects with high torque and wide oil flow.
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HKM DRUM CUTTER – DC20
HKM DC20 Drum Cutter is built for 15–20 ton excavators, delivering powerful torque and deep-cutting efficiency for heavy trenching, tunneling, and profiling tasks. With an operating weight of 1370 kg, it performs reliably in harsh ground conditions while ensuring stability and cutting accuracy.
Working at 140–220 l/min oil flow and requiring 80 kW power, the DC20 delivers up to 15,000 Nm torque with 80 cutting picks per drum. The sealed and reinforced structure ensures long service life and minimal maintenance even in aggressive job sites.
KEY FEATURES
- High-performance torque for heavy-duty cutting
- Reduced vibration and noise levels for improved control
- Ideal for tunnel excavation, trenching, and hard soil cutting
- Sealed, low-maintenance structure for extended uptime
- Outputs uniform granulate ready for reuse as backfill
APPLICATION AREAS
- Tunnel and large trench excavation
- Deep foundation and rock channel cutting
- Concrete structure profiling
- Mining and infrastructure projects
OPTIONAL FEATURES
- Underwater Kit: Waterproof, sealed design with corrosion-proof alloys
- High Abrasion Protection Kit: Hardox™ liners, zirconium picks, and particle filters
- Extended Reach Module: +500 mm cutting reach with adjustable mounting brackets
TECHNICAL SPECIFICATIONS
| Carrier Weight (ton) | 15–20 |
| Operating Weight (kg) | 1370 |
| Required Power (kW) | 80 |
| Oil Flow (l/min) | 140–220 |
| Max Operating Pressure (bar) | 320 |
| Max Torque @320 Bar (Nm) | 15000 |
| Rotation Speed @40 l/min (rpm) | 78 |
| Number of Picks | 80 |
| Output Torque @320 Bar (Nm) | 17840 Nm |