Heavy-Duty Demolition Shears for Maximum Cutting Power

NPK’s demolition shears are engineered for precision and power, making them ideal for demolition, scrap processing, and steel cutting. Built with superior durability, 360° rotation, and optimized blade design, these shears deliver efficient performance on the most demanding job sites.

Industry-Leading Demolition Shears for Steel & Scrap Processing

Built to handle rigorous demolition projects, NPK’s demolition shears cut through heavy steel structures and construction materials with ease, ensuring high productivity and cost savings for operators.

Explore NPK’s Full Line of Demolition Shears

From commercial demolition to scrap recycling, NPK offers a range of demolition shears that deliver unparalleled strength, speed, and cutting precision.

K-3JFR Find a Dealer
Specification	Value
Skid Steer	5000 lbs 2270 kg
Excavator Class 2nd Member	4,500 - 9,000 lbs 2 - 4 metric tons
Excavator Class 3rd Member	5,500 - 9,000 lbs 2.5 - 4 metric tons
Working Weight	815 lbs 370 kg
Max Jaw Opening	14 in 355 mm
Max Jaw Depth	13.9 in 352 mm
Cutter Length	8.7 in 220 mm
Cycle Time (sec)	1.2 s (close) 0.6 s (open)
Oil Flow	8 - 16 gpm 30 - 60 lpm
Operating Pressure	2610 psi 180 bar
Max Cutting Force	164110 lbf 730 kN

K-3JFR

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K-3JR Find a Dealer
Specification	Value
Skid Steer	5000 lbs 2270 kg
Excavator Class 2nd Member	4,500 - 9,000 lbs 2 - 4 metric tons
Excavator Class 3rd Member	8,000 - 15,500 lbs 3.5 - 7 metric tons
Working Weight	890 lbs 405 kg
Max Jaw Opening	14 in 355 mm
Max Jaw Depth	13.9 in 352 mm
Cutter Length	8.7 in 220 mm
Cycle Time (sec)	1.2 s (close) 0.6 s (open)
Oil Flow	8 - 16 gpm 30 - 60 lpm
Operating Pressure	2610 psi 180 bar
Max Cutting Force	164110 lbf 730 kN

K-3JR

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K-3JREH Find a Dealer
Specification	Value
Skid Steer	5000 lbs 2270 kg
Excavator Class 2nd Member	4,500 - 9,000 lbs 2 - 4 metric tons
Excavator Class 3rd Member	9,000 - 15,500 lbs 4 - 7 metric tons
Working Weight	1090 lbs 495 kg
Max Jaw Opening	14 in 355 mm
Max Jaw Depth	13.9 in 352 mm
Cutter Length	8.7 in 220 mm
Cycle Time (sec)	1.2 s (close) 0.6 s (open)
Oil Flow	8 - 16 gpm 30 - 60 lpm
Operating Pressure	2610 psi 180 bar
Max Cutting Force	164110 lbf 730 kN

K-3JREH

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K-4JFR Find a Dealer
Specification	Value
Skid Steer	6500 lbs 2950 kg
Excavator Class 2nd Member	4,500 - 12,000 lbs 2 - 5.5 metric tons
Excavator Class 3rd Member	8,000 - 12,000 lbs 3.5 - 5.5 metric tons
Working Weight	975 lbs 440 kg
Max Jaw Opening	15.7 in 400 mm
Max Jaw Depth	15.7 in 400 mm
Cutter Length	10.2 in 260 mm
Cycle Time (sec)	1.3 s (close) 0.7 s (open)
Oil Flow	8 - 19 gpm 30 - 70 lpm
Operating Pressure	2610 psi 180 bar
Max Cutting Force	179850 lbf 800 kN

K-4JFR

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K-4JR Find a Dealer
Specification	Value
Skid Steer	6500 lbs 2950 kg
Excavator Class 2nd Member	4,500 - 12,000 lbs 2 - 5.5 metric tons
Excavator Class 3rd Member	9,000 - 20,000 lbs 4 - 9 metric tons
Working Weight	1050 lbs 475 kg
Max Jaw Opening	15.7 in 400 mm
Max Jaw Depth	15.7 in 400 mm
Cutter Length	10.2 in 260 mm
Cycle Time (sec)	1.3 s (close) 0.7 s (open)
Oil Flow	8 - 19 gpm 30 - 70 lpm
Operating Pressure	2610 psi 180 bar
Max Cutting Force	179850 lbf 800 kN

K-4JR

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K-4JREH Find a Dealer
Specification	Value
Skid Steer	6500 lbs 2950 kg
Excavator Class 2nd Member	4,500 - 12,000 lbs 2 - 5.5 metric tons
Excavator Class 3rd Member	10,000 - 20,000 lbs 4.5 - 9 metric tons
Working Weight	1250 lbs 565 kg
Max Jaw Opening	15.7 in 400 mm
Max Jaw Depth	15.7 in 400 mm
Cutter Length	10.2 in 260 mm
Cycle Time (sec)	1.3 s (close) 0.7 s (open)
Oil Flow	8 - 19 gpm 30 - 70 lpm
Operating Pressure	2610 psi 180 bar
Max Cutting Force	179850 lbf 800 kN

K-4JREH

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K-7JFR Find a Dealer
Specification	Value
Skid Steer	- -
Excavator Class 2nd Member	9,000 - 15,500 lbs 4 - 7 metric tons
Excavator Class 3rd Member	13,000 - 20,000 lbs 6 - 9 metric tons
Working Weight	1700 lbs 770 kg
Max Jaw Opening	20.9 in 532 mm
Max Jaw Depth	21 in 534 mm
Cutter Length	13.4 in 340 mm
Cycle Time (sec)	1.3 s (close) 0.7 s (open)
Oil Flow	13 - 34 gpm 50 - 130 lpm
Operating Pressure	3045 psi 210 bar
Max Cutting Force	290000 lbf 1290 kN

K-7JFR

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K-7JR Find a Dealer
Specification	Value
Skid Steer	- -
Excavator Class 2nd Member	9,000 - 15,500 lbs 4 - 7 metric tons
Excavator Class 3rd Member	13,000 - 31,000 lbs 6 - 14 metric tons
Working Weight	1780 lbs 810 kg
Max Jaw Opening	20.9 in 532 mm
Max Jaw Depth	21 in 534 mm
Cutter Length	13.4 in 340 mm
Cycle Time (sec)	1.3 s (close) 0.7 s (open)
Oil Flow	13 - 34 gpm 50 - 130 lpm
Operating Pressure	3045 psi 210 bar
Max Cutting Force	290000 lbf 1290 kN

K-7JR

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K-7JREH Find a Dealer
Specification	Value
Skid Steer	- -
Excavator Class 2nd Member	9,000 - 15,500 lbs 4 - 7 metric tons
Excavator Class 3rd Member	13,000 - 31,000 lbs 6 - 14 metric tons
Working Weight	1820 lbs 825 kg
Max Jaw Opening	20.9 in 532 mm
Max Jaw Depth	21 in 534 mm
Cutter Length	13.4 in 340 mm
Cycle Time (sec)	1.3 s (close) 0.7 s (open)
Oil Flow	13 - 34 gpm 50 - 130 lpm
Operating Pressure	3045 psi 210 bar
Max Cutting Force	290000 lbf 1290 kN

K-7JREH

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Demolition Shear Specifications

NPK Model	Skid Steer	Excavator Class 2nd Member	Excavator Class 3rd Member	Working Weight	Max Jaw Opening	Max Jaw Depth	Cutter Length	Cycle Time (sec)	Oil Flow	Operating Pressure	Max Cutting Force
K-3JFR	5000 lbs 2270 kg	4,500 - 9,000 lbs 2 - 4 metric tons	5,500 - 9,000 lbs 2.5 - 4 metric tons	815 lbs 370 kg	14 in 355 mm	13.9 in 352 mm	8.7 in 220 mm	1.2 s (close) 0.6 s (open)	8 - 16 gpm 30 - 60 lpm	2610 psi 180 bar	164110 lbf 730 kN
K-3JR	5000 lbs 2270 kg	4,500 - 9,000 lbs 2 - 4 metric tons	8,000 - 15,500 lbs 3.5 - 7 metric tons	890 lbs 405 kg	14 in 355 mm	13.9 in 352 mm	8.7 in 220 mm	1.2 s (close) 0.6 s (open)	8 - 16 gpm 30 - 60 lpm	2610 psi 180 bar	164110 lbf 730 kN
K-3JREH	5000 lbs 2270 kg	4,500 - 9,000 lbs 2 - 4 metric tons	9,000 - 15,500 lbs 4 - 7 metric tons	1090 lbs 495 kg	14 in 355 mm	13.9 in 352 mm	8.7 in 220 mm	1.2 s (close) 0.6 s (open)	8 - 16 gpm 30 - 60 lpm	2610 psi 180 bar	164110 lbf 730 kN
K-4JFR	6500 lbs 2950 kg	4,500 - 12,000 lbs 2 - 5.5 metric tons	8,000 - 12,000 lbs 3.5 - 5.5 metric tons	975 lbs 440 kg	15.7 in 400 mm	15.7 in 400 mm	10.2 in 260 mm	1.3 s (close) 0.7 s (open)	8 - 19 gpm 30 - 70 lpm	2610 psi 180 bar	179850 lbf 800 kN
K-4JR	6500 lbs 2950 kg	4,500 - 12,000 lbs 2 - 5.5 metric tons	9,000 - 20,000 lbs 4 - 9 metric tons	1050 lbs 475 kg	15.7 in 400 mm	15.7 in 400 mm	10.2 in 260 mm	1.3 s (close) 0.7 s (open)	8 - 19 gpm 30 - 70 lpm	2610 psi 180 bar	179850 lbf 800 kN
K-4JREH	6500 lbs 2950 kg	4,500 - 12,000 lbs 2 - 5.5 metric tons	10,000 - 20,000 lbs 4.5 - 9 metric tons	1250 lbs 565 kg	15.7 in 400 mm	15.7 in 400 mm	10.2 in 260 mm	1.3 s (close) 0.7 s (open)	8 - 19 gpm 30 - 70 lpm	2610 psi 180 bar	179850 lbf 800 kN
K-7JFR	- -	9,000 - 15,500 lbs 4 - 7 metric tons	13,000 - 20,000 lbs 6 - 9 metric tons	1700 lbs 770 kg	20.9 in 532 mm	21 in 534 mm	13.4 in 340 mm	1.3 s (close) 0.7 s (open)	13 - 34 gpm 50 - 130 lpm	3045 psi 210 bar	290000 lbf 1290 kN
K-7JR	- -	9,000 - 15,500 lbs 4 - 7 metric tons	13,000 - 31,000 lbs 6 - 14 metric tons	1780 lbs 810 kg	20.9 in 532 mm	21 in 534 mm	13.4 in 340 mm	1.3 s (close) 0.7 s (open)	13 - 34 gpm 50 - 130 lpm	3045 psi 210 bar	290000 lbf 1290 kN
K-7JREH	- -	9,000 - 15,500 lbs 4 - 7 metric tons	13,000 - 31,000 lbs 6 - 14 metric tons	1820 lbs 825 kg	20.9 in 532 mm	21 in 534 mm	13.4 in 340 mm	1.3 s (close) 0.7 s (open)	13 - 34 gpm 50 - 130 lpm	3045 psi 210 bar	290000 lbf 1290 kN