Drum Cutters
HKM DC20
- Carrier Weight (ton)
- 15-20
- Operating Weight (kg)
- 1370
- Required Operation Power (kW)
- 80
- Oil Flow (l/min)
- 140-220
- Max. Operating Pressure (bar)
- 320
- Max Torque (320 Bar) DC
- 15000
- RPM at 40 L/min
- 78
- Drum Diameter (mm)
- 570
- Drum Width (mm)
- 380
- Cutter Bits (pcs)
- 80
- Max Power Output (kW)
- 80
- Max Flow (l/min)
- 250
- Pressure (bar)
- ≤450 bar
- Max Torque (350 Bar) ER
- 10100
- Max Torque (380 Bar) KR
- 14242
- Output Torque (Nm)
- 17840 Nm@320bar
Product Detail
HKM DRUM CUTTERS - DC20
The HKM DC20 Drum Cutter is a professional milling attachment for 15-20 t class excavators, providing high torque and uninterrupted power transmission. With a 1,370 kg operating weight and torque up to 15,000 Nm, it delivers maximum efficiency even in heavy-duty applications.
Running on a wide 140-220 L/min oil-flow range and an 80 kW power requirement, the DC20 offers a powerful, reliable, low-vibration solution on large infrastructure and tunnel projects. Equipped with 80 cutter bits per drum, it ensures homogeneous breaking even on abrasive surfaces and supports backfill-ready material output.
Thanks to its wide drum and durable gear system, the DC20 can perform powerful, precise excavation on mine sites, in tunnels and on thick concrete surfaces.
KEY FEATURES
- Ideal for heavy-duty applications with 15,000 Nm torque
- Effective, homogeneous cutting with 80 cutter bits
- Wide oil-flow range compatible with high-flow systems
- Long service life with a durable reduction gear
- Low noise and vibration for operator comfort
APPLICATIONS
- Tunneling and wide trench excavation
- Thick concrete and frozen-ground excavation
- Mine-site preparation
- Infrastructure and road construction
OPTIONAL EQUIPMENT
- Underwater Kit: Fully sealed electrical/hydraulic connections and corrosion-resistant components for wet, high-humidity environments.
- Wear-Protection Kit: Hardox™/AR400 body liners and oversized picks for abrasive ground.
Frequently Asked Questions
What is the HKM DC20 used for?
The HKM DC20 is a model in the Drum Cutters family, used for controlled, low-vibration cutting and profiling in rock, concrete and frozen ground.
Which carrier is the HKM DC20 suitable for?
The HKM DC20 is built to match carriers in the 15-20 ton class. Share your machine tonnage and we will confirm the right model.
What are the technical specifications of the HKM DC20?
Key technical values of the HKM DC20: Operating Weight (kg) 1370, Oil Flow (l/min) 140-220, Max Flow (l/min) 250, Max. Operating Pressure (bar) 320. The full spec table is on the product page and in the brochure.
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