DMW Cutter Wheels
Cutter wheels with double motor for rock up to 120 MPa
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- Two high torque hydraulic motors
- Smooth and regular cutting action
- Various cutting depths and widths
- Supports for vibration free 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.
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- Cutter wheel diameter
- Cutting depth (B)
- Cutting depth with sliding device
- Cutting force at 350 bar
- Cutting width (A)
- Max. oil flow at 50 bar
- Max. operating hydraulic pressure
- Max. rebar diameter in re-enforced concrete *
- Max. uniaxial compressive strength
- Pick box
- Rated power
- Recomm. oil flow according to wheel diameter
- Recommended excavator weight
- Recommended rotation speed
- Standard pick
- Torque at 350 bar
- Weight of cutter wheel, approx. **
- Weight of dipping device, approx.
- Weight of drive unit, approx.
- Weight of protection cover, approx.
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DMW 90 Wheel 400
- 1.210 mm 48 in
- 400 mm 16 in
- 300 mm 12 in
- 24.9 kN 5,600 lbf
- 80 | 130 | 200 mm 3 | 5 | 8 in
- 200 l/min 53 gal/min
- 400 bar 5,800 psi (380 bar)
- 16 mm 0.65 in
- 60 MPa 8,700 psi (60 MPa)
- PH 32 HD Type PH 32 HD Type
- 90 kW 120 hp (90 kW)
- 150 – 190 l/min 40 – 50 gal/min
- 14 – 25 t 30,000 – 55,000 lb
- 60 rpm 60 rpm
- ER 17/75/70/30 Q ER 17/75/70/30 Q
- 15,083 Nm 11,125 lbf·ft
- 400 kg 880 lb
- 250 kg 550 lb
- 1.100 kg 2,430 lb
- 55 kg 120 lb
Details -
DMW 90 Wheel 600
- 1.610 mm 64 in
- 600 mm 24 in
- 500 mm 20 in
- 18.7 kN 4,200 lbf
- 80 | 130 | 200 mm 3 | 5 | 8 in
- 200 l/min 53 gal/min
- 400 bar 5,800 psi (380 bar)
- 12 mm 0.50 in
- 40 MPa 5,800 psi (40 MPa)
- PH 32 HD Type PH 32 HD Type
- 90 kW 120 hp (90 kW)
- 120 – 170 l/min 32 – 45 gal/min
- 14 – 25 t 30,000 – 55,000 lb
- 50 rpm 50 rpm
- ER 17/75/70/30 Q ER 17/75/70/30 Q
- 15,083 Nm 11,125 lbf·ft
- 800 kg 1,760 lb
- 250 kg 550 lb
- 1.100 kg 2,430 lb
- 55 kg 120 lb
Details -
DMW 130 Wheel 400
- 1.210 mm 48 in
- 400 mm 16 in
- 300 mm 12 in
- 50.0 kN 11,240 lbf
- 80 | 130 | 200 mm 3 | 5 | 8 in
- 340 l/min 90 gal/min
- 400 bar 5,800 psi (380 bar)
- 20 mm 0.75 in
- 100 MPa 15,000 psi (100 MPa)
- PH 32 HD Type PH 32 HD Type
- 130 kW 175 hp (130 kW)
- 280 – 340 l/min 74 – 90 gal/min
- 20 – 40 t 44,000 – 88,000 lb
- 60 rpm 60 rpm
- ER 17/75/70/30 Q ER 17/75/70/30 Q
- 30,239 Nm 22,303 lbf·ft
- 400 kg 880 lb
- 300 kg 660 lb
- 1.150 kg 2,540 lb
- 55 kg 120 lb
Details -
DMW 130 Wheel 600
- 1.610 mm 64 in
- 600 mm 24 in
- 500 mm 20 in
- 37.6 kN 8,450 lbf
- 80 | 130 | 200 mm 3 | 5 | 8 in
- 340 l/min 90 gal/min
- 400 bar 5,800 psi (380 bar)
- 20 mm 0.75 in
- 80 MPa 12,000 hp (80 MPa)
- PH 32 HD Type PH 32 HD Type
- 130 kW 175 hp (130 kW)
- 250 – 340 l/min 66 – 90 gal/min
- 20 – 40 t 40,000 – 88,000 lb
- 50 rpm 50 rpm
- ER 17/75/70/30 Q ER 17/75/70/30 Q
- 30,239 Nm 22,303 lbf·ft
- 800 kg 1,760 lb
- 300 kg 660 lb
- 1.150 kg 2,540 lb
- 55 kg 120 lb
Details -
DMW 130 Wheel 800
- 2.010 mm 80 in
- 800 mm 32 in
- 700 mm 28 in
- 30.1 kN 6,770 lbf
- 80 | 130 | 200 mm 3 | 5 | 8 in
- 340 l/min 90 gal/min
- 400 bar 5,800 psi (380 bar)
- 16 mm 0.65 in
- 60 MPa 8,700 psi (60 bar)
- PH 32 HD Type PH 32 HD Type
- 130 kW 175 hp (130 kW)
- 200 – 300 l/min 53 – 80 gal/min
- 25 – 40 t 55 K – 88 K lb
- 40 rpm 40 rpm
- ER 17/75/70/30 Q ER 17/75/70/30 Q
- 30,239 Nm 22,303 lbf·ft
- 1.250 kg 2,760 lb
- 300 kg 660 lb
- 1.150 kg 2,540 lb
- 55 kg 120 lb
Details -
DMW 220 HD Wheel 600
- 1.610 mm 64 in
- 550 mm 22 in
- 450 mm 18 in
- 69.565 kN 15,700 lbf
- 130 | 200 | 400 mm 5 | 8 | 16 in
- 600 l/min 160 gal/min
- 380 bar 5,500 psi (380 bar)
- 30 mm 1.25 in
- 120 MPa 17,500 psi (120 MPa)
- PH 32 HD Type PH 32 HD Type
- 220 kW 295 hp (220 kW)
- 350 – 600 l/min 92 – 160 gal/min
- 35 – 60 t 77,000 – 132,000 lb
- ER 17/75/70/30 Q ER 22/75/70/30 Q
- 56,000 Nm 41,400 lbf·ft
- 800 kg 1,800 lb
- 920 kg 2,030 lb
- 2.750 kg 6,100 lb
- 180 kg 400 lb
Details -
DMW 220 HD Wheel 800
- 2.010 mm 80 in
- 750 mm 30 in
- 650 mm 26 in
- 55.721 kN 12,600 lbf
- 130 | 200 | 400 mm 5 | 8 | 16 in
- 600 l/min 160 gal/min
- 380 bar 5,500 psi (380 bar)
- 30 mm 1.25 in
- 120 MPa 17,500 psi (120 MPa)
- PH 32 HD Type PH 32 HD Type
- 220 kW 295 hp (220 kW)
- 350 – 600 l/min 92 – 160 gal/min
- 40 – 60 t 88,000 – 132,000 lb
- ER 17/75/70/30 Q ER 22/75/70/30 Q
- 56,000 Nm 41,400 lbf·ft
- 1.250 kg 2,800 lb
- 920 kg 2,030 lb
- 2.750 kg 6,100 lb
- 180 kg 400 lb
Details -
DMW 220 HD Wheel 1000
- 2.500 mm 99 in
- 1.000 mm 40 in
- 900 mm 36 in
- 44.800 kN 10,100 lbf
- 130 | 200 | 400 mm 5 | 8 | 16 in
- 600 l/min 160 gal/min
- 380 bar 5,500 psi (380 bar)
- 30 mm 1.25 in
- 100 MPa 14,500 psi (100 MPa)
- PH 32 HD Type PH 32 HD Type
- 220 kW 295 hp (220 kW)
- 350 – 600 l/min 92 – 160 gal/min
- 40 – 60 t 88,000 – 132,000 lb
- ER 17/75/70/30 Q ER 22/75/70/30 Q
- 56,000 Nm 41,400 lbf·ft
- 2.250 kg 5,000 lb
- 920 kg 2,030 lb
- 2.750 kg 6,100 lb
- 180 kg 400 lb
Details -
DMW 220 Wheel 600
- 1.610 mm 64 in
- 550 mm 22 in
- 450 mm 18 in
- 81.1 kN 18,230 lbf
- 130 | 200 | 400 mm 5 | 8 | 16 in
- 700 l/min 185 gal/min
- 400 bar 5,800 psi (380 bar)
- 30 mm 1.25 in
- 120 MPa 17,000 psi (120 MPa)
- PH 32 HD Type PH 32 HD Type
- 220 kW 295 hp (220 kW)
- 450 – 600 l/min 120 – 160 gal/min
- 40 – 60 t 88,000 – 132,000 lb
- 45 rpm 45 rpm
- ER 22/75/70/30 Q ER 22/75/70/30 Q
- 65,317 Nm 48,175 lbf·ft
- 800 kg 1,760 lb
- 920 kg 2,030 lb
- 2.750 kg 6,060 lb
- 180 kg 400 lb
Details -
DMW 220 Wheel 800
- 2.010 mm 80 in
- 750 mm 30 in
- 650 mm 26 in
- 65.0 kN 14,610 lbf
- 130 | 200 | 400 mm 5 | 8 | 16 in
- 700 l/min 185 gal/min
- 400 bar 5,800 psi (380 bar)
- 30 mm 1.25 in
- 120 MPa 17,000 psi (120 MPa)
- PH 32 HD Type PH 32 HD Type
- 220 kW 295 hp (220 kW)
- 380 – 600 l/min 100 – 160 gal/min
- 40 – 60 t 88,000 – 132,000 lb
- 35 rpm 35 rpm
- ER 22/75/70/30 Q ER 22/75/70/30 Q
- 65,317 Nm 48,175 lbf·ft
- 1.250 kg 2,760 lb
- 920 kg 2,030 lb
- 2.750 kg 6,060 lb
- 180 kg 400 lb
Details -
DMW 220 Wheel 1000
- 2,570 mm 100 in
- 1.000 mm 40 in
- 900 mm 36 in
- 50.8 kN 11,420 lbf
- 130 | 200 | 400 mm 5 | 8 | 16 in
- 700 l/min 185 gal/min
- 400 bar 5,800 psi (380 bar)
- 30 mm 1.25 in
- 100 MPa 15,000 psi (100 MPa)
- PH 32 HD Type PH 32 HD Type
- 220 kW 295 hp (220 kW)
- 350 – 600 l/min 92 – 160 gal/min
- 45 – 60 t 100,000 – 132,000 lb
- 30 rpm 30 rpm
- ER 22/75/70/30 Q ER 22/75/70/30 Q
- 65,317 Nm 48,175 lbf·ft
- 2.250 kg 4,960 lb
- 920 kg 2,030 lb
- 2.750 kg 6,060 lb
- 180 kg 400 lb
Details -
DMW 400 Wheel 1000
- 2,700 mm 106 in
- 1.000 mm 40 in
- 900 mm 36 in
- 105.7 kN 23,760 lbf
- 130 | 200 | 400 mm 5 | 8 | 16 in
- 1,000 l/min 264 gal/min
- 400 bar 5,800 psi (380 bar)
- 30 mm 1.25 in
- 140 MPa 20,000 psi (100 MPa)
- 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
- 142,730 Nm 105,272 lbf·ft
- 3.300 kg 7,280 lb
- 1,450 kg 3,200 lb
- 5.500 kg 12,130 lb
- 250 kg 550 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.
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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 vibration-free 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
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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.
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FAQs Related to Cutter Wheels
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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, vibration-free, 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.
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