DMW Cutter Wheels / Rock Saws
Cutter wheels with double motor for rock up to 140 MPa
- Two high torque hydraulic motors
- Smooth and regular cutting action
- Various cutting depths and widths
- Supports for low vibration cutting
- Optional – water nozzles for dust suppression
- Operational to 30 meters underwater
- Ideally suited for concrete demolition
KEMROC’s Cutter Wheels are Double Motor Wheels designed for maximum efficiency in cutting rock, concrete, reinforced concrete, and other tough materials. Developed in close cooperation with our customers, these attachments feature two high-torque hydraulic motors that deliver exceptional cutting forces, achieving high productivity rates even in hard rock with uniaxial compressive strengths up to 140 MPa. Available in various sizes for excavators ranging from 14 to 120 tons, KEMROC cutter wheels offer unmatched versatility, precision, and reliability in trenching, demolition projects, and mining of soft/medium minerals through cut and break method including operations up to 30 meters underwater.
- Compatible rotation unit (KRM)
- Cutter depth (A)
- Cutting force at 380 bar
- Cutting wheel diameter (C)
- Cutting width (B)
- Max. oil flow
- Max. operating pressure
- Max. rock compressive strength
- Number of picks
- Pick box
- Rated power
- Recommended excavator weight
- Recommended oil flow
- Recommended rpm
- Standard hole pattern
- Standard pick
- Torque at 380 bar
- Weight of cutter wheel, approx. **
- Weight of cutting wheel
- Weight of dipping device, approx.
- Weight of drive unit, approx.
- Weight per cutting width
- Cutter length (A)
- Cutting depth with sliding device
- Max. oil flow at 50 bar
- Max. rebar diameter in re-enforced concrete *
- Recomm. oil flow according to wheel diameter
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DMW 90 Wheel 400
- KRM50
- 400 mm 16 inch
- 19 kN 4200 lbf
- 1210 mm 48 in
- 80 | 130 | 200 mm 3 | 5 | 8 in
- 200 l/min 53 gal/min
- 400 bar 5800 psi (380 bar)
- 60 MPa 8702 psi (60 MPa) psi
- 30 Pcs 30 Pcs
- PH 32 HD Type PH 32 HD Type
- 90 kW 120 hp (90 kW)
- 14 – 25 t 30000 – 55000 lb
- 170 l/min 45 gal/min
- 90 rpm 90 rpm
- LB30
- 17/75/70/30 Q 17/75/70/30 Q
- 11300 Nm 8300 lbf·ft
- 250 kg 551 lb
- 400 kg 882 lb
- 55 kg 121 lb
- 1100 kg 2425 lb
- 1805 kg 3979 lbs
Details -
DMW 90 Wheel 600
- KRM50
- 600 mm 24 inch
- 14 kN 3100 lbf
- 1610 mm 63 in
- 80 | 130 | 200 mm 3 | 5 | 8 in
- 200 l/min 53 gal/min
- 400 bar 5800 psi (380 bar)
- 40 MPa 5800 psi (40 MPa) psi
- 40 Pcs 40 Pcs
- PH 32 HD Type PH 32 HD Type
- 90 kW 120 hp (90 kW)
- 14 – 25 t 30000 – 55000 lb
- 150 l/min 40 gal/min
- 80 rpm 80 rpm
- LB30
- 17/75/70/30 Q 17/75/70/30 Q
- 11300 Nm 8300 lbf·ft
- 250 kg 551 lb
- 800 kg 1764 lb
- 55 kg 121 lb
- 1100 kg 2425 lb
- 2205 kg 4861 lbs
Details -
DMW 130 Wheel 400
- KRM60
- 400 mm 16 inch
- 41 kN 9100 lbf
- 1.210 mm 48 in
- 80 | 130 | 200 mm 3 | 5 | 8 in
- 340 l/min 90 gal/min
- 400 bar 5800 psi (380 bar)
- 100 MPa 14504 psi (100 MPa) psi
- 30 Pcs 30 Pcs
- PH 32 HD Type PH 32 HD Type
- 130 kW 175 hp (130 kW)
- 20 – 40 t 45000 – 90000 lb
- 320 l/min 85 gal/min
- 80 rpm 80 rpm
- LB30
- 17/75/70/30 Q 17/75/70/30 Q
- 24500 Nm 18100 lbf·ft
- 300 kg 661 lb
- 400 kg 882 lb
- 55 kg 121 lb
- 1150 kg 2535 lb
- 1905 kg 4200 lbs
Details -
DMW 130 Wheel 600
- KRM60
- 600 mm 24 inch
- 31 kN 6900 lbf
- 1610 mm 63 in
- 80 | 130 | 200 mm 3 | 5 | 8 in
- 340 l/min 90 gal/min
- 400 bar 5800 psi (380 bar)
- 80 MPa 11603 psi (80 MPa) psi
- 40 Pcs 40 Pcs
- PH 32 HD Type PH 32 HD Type
- 130 kW 175 hp (130 kW)
- 20 – 40 t 45000 – 90000 lb
- 320 l/min 85 gal/min
- 80 rpm 80 rpm
- LB30
- 17/75/70/30 Q 17/75/70/30 Q
- 24500 Nm 18100 lbf·ft
- 300 kg 661 lb
- 800 kg 1764 lb
- 55 kg 121 lb
- 1150 kg 2535 lb
- 2305 kg 5,082 lbs
Details -
DMW 130 Wheel 800
- KRM60
- 800 mm 31 inch
- 24 kN 5500 lbf
- 2010 mm 79 in
- 80 | 130 | 200 mm 3 | 5 | 8 in
- 340 l/min 90 gal/min
- 400 bar 5800 psi (380 bar)
- 60 MPa 8702 psi (60 bar) psi
- 50 Pcs 50 Pcs
- PH 32 HD Type PH 32 HD Type
- 130 kW 175 hp (130 kW)
- 25 – 40 t 55 K – 90 K lb
- 250 l/min 66 gal/min
- 60 rpm 60 rpm
- LB30
- 17/75/70/30 Q 17/75/70/30 Q
- 24500 Nm 18100 lbf·ft
- 550 kg 1213 lb
- 1500 kg 3307 lb
- 55 kg 121 lb
- 1400 kg 3086 lb
- 3505 kg 7727 lbs
Details -
DMW 220 Wheel 600
- KRM80
- 550 mm 22 inch
- 74 kN 16600 lbf
- 1610 mm 63 in
- 130 | 200 | 400 mm 5 | 8 | 16 in
- 650 l/min 172 gal/min
- 400 bar 5800 psi (380 bar)
- 120 MPa 17405 psi (120 MPa) psi
- 40 Pcs 40 Pcs
- PH 32 HD Type PH 32 HD Type
- 220 kW 295 hp (220 kW)
- 40 – 60 t 90000 – 130000 lb
- 550 l/min 145 gal/min
- 55 rpm 55 rpm
- LB40
- 22/75/70/30 Q 22/75/70/30 Q
- 59500 Nm 43900 lbf·ft
- 920 kg 2028 lb
- 800 kg 1,764 lb
- 180 kg 397 lb
- 2750 kg 6063 lb
- 4650 kg 10,251 lbs
Details -
DMW 220 Wheel 800
- KRM80
- 750 mm 30 inch
- 59 kN 13300 lbf
- 2010 mm 79 in
- 130 | 200 | 400 mm 5 | 8 | 16 in
- 650 l/min 172 gal/min
- 400 bar 5800 psi (380 bar)
- 120 MPa 17405 psi (120 MPa) psi
- 42 Pcs 42 Pcs
- PH 32 HD Type PH 32 HD Type
- 220 kW 295 hp (220 kW)
- 40 – 60 t 90000 – 130000 lb
- 550 l/min 145 gal/min
- 55 rpm 55 rpm
- LB40
- 22/75/70/30 Q 22/75/70/30 Q
- 59500 Nm 43900 lbf·ft
- 920 kg 2028 lb
- 1250 kg 2756 lb
- 180 kg 397 lb
- 2750 kg 6063 lb
- 5100 kg 11244 lbs
Details -
DMW 220 Wheel 1000
- KRM80
- 1000 mm 39 inch
- 46 kN 10400 lbf
- 2570 mm 101 in
- 130 | 200 | 400 mm 5 | 8 | 16 in
- 650 l/min 172 gal/min
- 400 bar 5800 psi (380 bar)
- 100 MPa 14504 psi (100 MPa) psi
- 50 Pcs 50 Pcs
- PH 32 HD Type PH 32 HD Type
- 220 kW 295 hp (220 kW)
- 45 – 60 t 100000 – 130000 lb
- 500 l/min 132 gal/min
- 50 rpm 50 rpm
- LB40
- 22/75/70/30 Q 22/75/70/30 Q
- 59500 Nm 43900 lbf·ft
- 920 kg 2028 lb
- 2250 kg 4960 lb
- 180 kg 397 lb
- 2750 kg 6063 lb
- 6100 kg 13448 lbs
Details -
DMW 240 Wheel 600
- KRM80
- 550 mm 22 inch
- 81 kN 18200 lbf
- 1610 mm 63 in
- 130 | 200 | 400 mm 5 | 8 | 16 in
- 650 l/min 172 gal/min
- 400 bar 5800 psi (380 bar)
- 120 MPa 17405 psi (120 MPa) psi
- 40 Pcs 40 Pcs
- PH 32 HD Type PH 32 HD Type
- 220 kW 295 hp (220 kW)
- 40 – 60 t 90000 – 130000 lb
- 550 l/min 145 gal/min
- 50 rpm 50 rpm
- LB40
- 22/75/70/30 Q 22/75/70/30 Q
- 65300 Nm 48200 lbf·ft
- 920 kg 2028 lb
- 800 kg 1764 lb
- 180 kg 397 lb
- 2750 kg 6063 lb
- 4650 kg 10,251 lbs
Details -
DMW 240 Wheel 800
- KRM80
- 750 mm 30 inch
- 65 kN 14600 lbf
- 2010 mm 79 in
- 130 | 200 | 400 mm 5 | 8 | 16 in
- 650 l/min 172 gal/min
- 400 bar 5800 psi (380 bar)
- 120 MPa 17405 psi (120 MPa) psi
- 42 Pcs 42 Pcs
- PH 32 HD Type PH 32 HD Type
- 220 kW 295 hp (220 kW)
- 40-60 t 90000 – 130000 lb
- 550 l/min 145 gal/min
- 50 rpm 55 rpm
- LB40
- 22/75/70/30 Q 22/75/70/30 Q
- 65300 Nm 48200 lbf·ft
- 920 kg 2028 lb
- 1250 kg 2756 lb
- 180 kg 397 lb
- 2750 kg 6063 lb
- 5100 kg 11244 lbs
Details -
DMW 240 Wheel 1000
- KRM80
- 1000 mm 39 inch
- 51 kN 11400 lbf
- 2570 mm 101 in
- 130 | 200 | 400 mm 5 | 8 | 16 in
- 650 l/min 172 gal/min
- 400 bar 5800 psi (380 bar)
- 100 MPa 14504 psi (100 MPa) psi
- 50 Pcs 50 Pcs
- PH 32 HD Type PH 32 HD Type
- 220 kW 295 hp (220 kW)
- 45 – 60 t 100000 – 130000 lb
- 500 l/min 132 gal/min
- 45 rpm 45 rpm
- LB40
- 22/75/70/30 Q 22/75/70/30 Q
- 65300 Nm 48200 lbf·ft
- 920 kg 2028 lb
- 2250 kg 4960 lb
- 180 kg 397 lb
- 2750 kg 6063 lb
- 6100 kg 13448 lbs
Details -
DMW 400 Wheel 1000
- 1000 mm 40 in
- 900 mm 36 in
- 105.7 kN 23760 lbf
- 2700 mm 106 in
- 130 | 200 | 400 mm 5 | 8 | 16 in
- 1000 l/min 264 gal/min
- 400 bar 5800 psi (380 bar)
- 30 mm 1.25 in
- 140 MPa 20000 psi (100 MPa) psi
- PH 32 HD Type PH 32 HD Type
- 400 kW 536 hp (400 kW)
- 600 – 900 l/min 160 – 240 gal/min
- 50 – 70 | 70 – 120 t 110k – 154k | 154k – 264k lb
- 25 rpm 25 rpm
- ER 22/75/70/30 Q ER 22/75/70/30 Q
- 142730 Nm 105272 lbf·ft
- 3300 kg 7280 lb
- 250 kg 550 lb
- 1450 kg 3200 lb
- 5500 kg 12130 lb
Details
Why Choose KEMROC Cutter Wheels?
Dual Motor Design
KEMROC Double Motor Cutter Wheels are equipped with two high-torque hydraulic motors that ensure smooth and powerful cutting, even in the toughest conditions. This design significantly enhances productivity, making these wheels ideal for high-demand projects.
Versatile Cutting Options
Available in various sizes and configurations, KEMROC Rock Saws can be customized to meet specific project requirements, with cutting depths from 400 and up to 1,000 millimetres and widths from 80 up to 400 millimetres. Custom wheels for non-standard applications are also available on request.
Underwater Capabilities
These Rock Saws are designed to operate at depths of up to 30 meters underwater, making them an excellent choice for underwater trenching and demolition projects.
Reduced Noise and Vibration
Noise levels of 75 – 80 dB (including excavator noise) making KEMROC attachments suitable for urban areas, unlike rock breakers that generate higher noise and vibrations, posing a risk to nearby structures.
Two high torque hydraulic motors provide the cutting force needed to handle hard rock up to 140 MPa and reinforced concrete with rebar up to 32 mm diameter, ensuring consistent and efficient cutting.
The design of KEMROC cutter wheels supports low vibration operation, leading to precise, regular cuts and reducing wear on the equipment.
KEMROC offers a range of cutter wheels with different tooling configurations, allowing for cutting depths from 400 and up to 1,000 millimeters and widths from 80 and up to 400 millimeters. Custom configurations are available to meet specific project needs.
Capable of working at depths of up to 30 meters, KEMROC saw attachments are ideal for underwater demolition and trenching, providing reliable performance in challenging environments.
For dust suppression during cutting operations, water nozzles can be added to the cutter wheels, enhancing safety and visibility on-site.
Main Cutter Wheels Applications
Concrete Demolition
Designed for efficient and precise demolition of reinforced concrete with rebar up to 32 mm diameter, KEMROC Rock Saws ensure clean cuts and high productivity rates, even in the most challenging conditions.
Cable Trenching
Ideal for creating precise trenches for cable installation, our saw attachments offer customizable cutting depths and widths, ensuring the job is done right the first time.
Soft/medium Rock Mining
KEMROC cutting wheels are also suitable for soft/medium rock mining, delivering high productivity and precise cuts in materials with uniaxial compressive strengths up to 140 MPa.
- DMW Cutter Wheels deliver high productivity with minimal rework
- Cut and Break technology by DMW Rock Saw enables large, transportable concrete blocks.
- Ideal for cutting concrete, asphalt, and hard rock.
FAQs Related to Cutter Wheels
-
What materials can cutter wheels handle?
KEMROC Rock Saws are designed to cut through hard rock with uniaxial compressive strengths up to 140 MPa, as well as reinforced concrete, making them ideal for demanding construction and demolition projects.
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How do rock saw enhance demolition project efficiency?
KEMROC Double Motor Wheels are equipped with two high-torque hydraulic motors that deliver smooth and powerful cutting action, even in tough conditions. This design improves productivity and reduces operational time, making them highly efficient for large-scale projects. DMW Cuts concrete into large size blocks/pieces and makes it easier to be transported outside the jobsite.
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Can cutter wheels be used underwater?
Yes, KEMROC cutting Wheels are designed to operate at depths of up to 30 meters underwater, making them suitable for underwater demolition, trenching, and other submerged operations.
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What maintenance is required for cutter wheels?
Routine inspections and maintenance of the hydraulic motors, cutting wheels, and tooling configurations are recommended to ensure optimal performance. Regular maintenance helps extend the lifespan of the cutter wheels and maintains their cutting efficiency. Replacing worn-out picks are recommended.
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Can cutter wheels be customized?
Yes, KEMROC offers customizable cutter wheels with different cutting depths and widths to meet specific project needs. Non-standard configurations can be developed upon request to ensure the perfect fit for your application.
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How do KEMROC Attachments contribute to site safety?
KEMROC attachments are designed for smooth, low vibration, and low-noise operation, reducing equipment wear and operator fatigue. Optional water nozzles for dust suppression further enhance safety by improving visibility and minimizing airborne dust during cutting.
- The KEMROC DMW Cutting Wheel is a high-performance excavator attachment engineered for precision trenching, demolition, and cut-and-break operations. It is particularly well-suited for micro trenching, where traditional methods fail to achieve narrow, clean cuts.
We are here to help! Fill out the form and our team will be happy to assist you with any questions or needs you have regarding our cutting attachments solutions. Whether you require detailed information, technical support, or a personalized quote, we're committed to providing the support you need to achieve success in your projects.
