Hydraulic Hammer and Hydraulic Breaker: Power and Reliability for Every Job
When looking for a hydraulic hammer, also known as a hydraulic breaker, you’re looking for a design that can handle the toughest construction, demolition, and excavation projects. Built with efficiency, reliability, and ease of maintenance in mind, our hammers are engineered to maximize performance while reducing downtime.
Powerful and Reliable Hydraulic Hammers
NPK hydraulic hammers deliver unmatched impact force for breaking through rock, concrete, and other tough materials. Designed for durability and efficiency, these hammers provide superior performance for demolition, excavation, and construction projects.
Choose from a Wide Variety of Hydraulic Hammer Models
NPK offers a full range of hydraulic hammer models to suit different carrier sizes and job site requirements. Whether you need a compact hammer for tight spaces or a heavy-duty model for large-scale demolition, we have the right solution for you.
PH-06
| Specification | Value |
|---|---|
| Impact Energy Class | 150 ft lbs 200 (J) |
| Impact Frequency | 480 - 1,200 bpm |
| Recommended Carrier Weight | 2,400 - 4,000 lbs. 1 - 1.8 metric tons |
| Oil Flow | 4 - 9 gpm 15 - 35 lpm |
| Operating Pressure | 2,030 psi 140 bar |
| Working Weight | 220 lbs 100 kg |
| Tool Diameter | 1.7 in 42 mm |
| Tool Working Length | 11.8 in 300 mm |
PH-07
| Specification | Value |
|---|---|
| Impact Energy Class | 200 ft lbs 270 (J) |
| Impact Frequency | 450 - 1,300 bpm |
| Recommended Carrier Weight | 3,000 - 6,000 lbs. 1.3 - 2.7 metric tons |
| Oil Flow | 4 - 12 gpm 15 - 45 lpm |
| Operating Pressure | 2,465 psi 170 bar |
| Working Weight | 275 lbs 125 kg |
| Tool Diameter | 1.9 in 47 mm |
| Tool Working Length | 12.4 in 315 mm |
PH-1
| Specification | Value |
|---|---|
| Impact Energy Class | 350 ft lbs 475 (J) |
| Impact Frequency | 550 - 1,100 bpm |
| Recommended Carrier Weight | 4,000 - 7,500 lbs. 1.8 - 3.5 metric tons |
| Oil Flow | 7 - 15 gpm 25 - 55 lpm |
| Operating Pressure | 2465 psi 170 bar |
| Working Weight | 500 lbs 225 kg |
| Tool Diameter | 2.2 in 57 mm |
| Tool Working Length | 14 in 356 mm |
PH-2
| Specification | Value |
|---|---|
| Impact Energy Class | 500 ft lbs 680 (J) |
| Impact Frequency | 500 - 1,200 bpm |
| Recommended Carrier Weight | 6,000 - 11,000 lbs. 2.7 - 5 metric tons |
| Oil Flow | 7 - 16 gpm 25 - 60 lpm |
| Operating Pressure | 2465 psi 170 bar |
| Working Weight | 610 lbs 275 kg |
| Tool Diameter | 2.6 in 66 mm |
| Tool Working Length | 15.1 in 384 mm |
PH-3
| Specification | Value |
|---|---|
| Impact Energy Class | 750 ft lbs 1120 (J) |
| Impact Frequency | 500 - 1,150 bpm |
| Recommended Carrier Weight | 8,000 - 16,000 lbs. 3.6 - 7.3 metric tons |
| Oil Flow | 12 - 26 gpm 45 - 100 lpm |
| Operating Pressure | 2465 psi 170 bar |
| Working Weight | 990 lbs 450 kg |
| Tool Diameter | 3 in 76 mm |
| Tool Working Length | 16.5 in 419 mm |
PH-4
| Specification | Value |
|---|---|
| Impact Energy Class | 1,300 ft lbs 1760 (J) |
| Impact Frequency | 400 - 1,000 bpm |
| Recommended Carrier Weight | 12,000 - 18,000 lbs. 5.5 - 8 metric tons |
| Oil Flow | 13 - 32 gpm 50 - 120 lpm |
| Operating Pressure | 2465 psi 170 bar |
| Working Weight | 1235 lbs 560 kg |
| Tool Diameter | 3.4 in 86 mm |
| Tool Working Length | 18.5 in 470 mm |
GHD-6
| Specification | Value |
|---|---|
| Impact Energy Class | 2000 ft lbs 2710 (J) |
| Impact Frequency | 450 - 800 bpm (Normal Speed) 650 - 1000 bpm (High Speed) |
| Recommended Carrier Weight | 22,000 - 31,000 lbs. 10 - 14 metric tons |
| Oil Flow | 24 - 40 gpm 90 - 150 lpm |
| Operating Pressure | 2,175 - 2,465 psi 150 - 170 bar |
| Working Weight | 2500 lbs 1135 kg |
| Tool Diameter | 4.2 in 106 mm |
| Tool Working Length | 19.7 in 500 mm |
GHD-7
| Specification | Value |
|---|---|
| Impact Energy Class | 2500 ft lbs 3390 (J) |
| Impact Frequency | 400 - 750 bpm (Normal Speed) 550 - 900 bpm (High Speed) |
| Recommended Carrier Weight | 28,000 - 46,000 lbs. 13 - 21 metric tons |
| Oil Flow | 26 - 48 gpm 100 - 180 lpm |
| Operating Pressure | 2600 psi 180 bar |
| Working Weight | 2900 lbs 1315 kg |
| Tool Diameter | 4.6 in 116 mm |
| Tool Working Length | 23 in 583 mm |
GHD-9
| Specification | Value |
|---|---|
| Impact Energy Class | 3000 ft lbs 4070 (J) |
| Impact Frequency | 500 - 650 bpm (Normal Speed) 600 - 900 bpm (High Speed) |
| Recommended Carrier Weight | 40,000 - 56,000 lbs. 18 - 25 metric tons |
| Oil Flow | 40 - 53 gpm 150 - 200 lpm |
| Operating Pressure | 2600 psi 180 bar |
| Working Weight | 3605 lbs 1635 kg |
| Tool Diameter | 5 in 126 mm |
| Tool Working Length | 23.9 in 608 mm |
GHD-10
| Specification | Value |
|---|---|
| Impact Energy Class | 4000 ft lbs 5425 (J) |
| Impact Frequency | 430 - 550 bpm (Normal Speed) 600 - 800 bpm (High Speed) |
| Recommended Carrier Weight | 46,000 - 66,000 lbs. 21 - 30 metric tons |
| Oil Flow | 44 - 55 gpm 165 - 210 lpm |
| Operating Pressure | 2,300 - 2,600 psi 160 - 180 bar |
| Working Weight | 4800 lbs 2180 kg |
| Tool Diameter | 5.4 in 136 mm |
| Tool Working Length | 24.4 in 620 mm |
GHD-12
| Specification | Value |
|---|---|
| Impact Energy Class | 5500 ft lbs 7460 (J) |
| Impact Frequency | 400 - 520 bpm (Normal Speed) 650 - 780 bpm (High Speed) |
| Recommended Carrier Weight | 56,000 - 86,000 lbs. 25.5 - 39 metric tons |
| Oil Flow | 45 - 58 gpm 170 - 220 lpm |
| Operating Pressure | 2650 psi 183 bar |
| Working Weight | 5655 lbs 2565 kg |
| Tool Diameter | 5.7 in 146 mm |
| Tool Working Length | 25.6 in 650 mm |
GH-15
| Specification | Value |
|---|---|
| Impact Energy Class | 8000 ft lbs 10850 (J) |
| Impact Frequency | 320 - 400 bpm |
| Recommended Carrier Weight | 66,000 - 100,000 lbs. 30 - 45 metric tons |
| Oil Flow | 53 - 66 gpm 200 - 250 lpm |
| Operating Pressure | 2600 psi 180 bar |
| Working Weight | 6800 lbs 3085 kg |
| Tool Diameter | 6.1 in 156 mm |
| Tool Working Length | 27.2 in 690 mm |
GHD-18
| Specification | Value |
|---|---|
| Impact Energy Class | 12000 ft lbs 16270 (J) |
| Impact Frequency | 300 - 400 bpm (Normal Speed) 500 - 700 bpm (High Speed) |
| Recommended Carrier Weight | 70,000 - 114,000 lbs. 32 - 52 metric tons |
| Oil Flow | 58 - 77 gpm 220 - 290 lpm |
| Operating Pressure | 2500 psi 172 bar |
| Working Weight | 7905 lbs 3585 kg |
| Tool Diameter | 6.5 in 165 mm |
| Tool Working Length | 29.1 in 740 mm |
GH-23
| Specification | Value |
|---|---|
| Impact Energy Class | 13500 ft lbs 18305 (J) |
| Impact Frequency | 300 - 400 bpm |
| Recommended Carrier Weight | 100,000 - 150,000 lbs. 45 - 68 metric tons |
| Oil Flow | 66 - 85 gpm 250 - 320 lpm |
| Operating Pressure | 2600 psi 180 bar |
| Working Weight | 10750 lbs 4875 kg |
| Tool Diameter | 6.9 in 174 mm |
| Tool Working Length | 34.6 in 880 mm |
GH-30
| Specification | Value |
|---|---|
| Impact Energy Class | 15000 ft lbs 20340 (J) |
| Impact Frequency | 310 - 390 bpm |
| Recommended Carrier Weight | 100,000 - 186,000 lbs. 45 - 84 metric tons |
| Oil Flow | 74 - 92 gpm 280 - 350 lpm |
| Operating Pressure | 2600 psi 180 bar |
| Working Weight | 13500 lbs 6125 kg |
| Tool Diameter | 7.2 in 184 mm |
| Tool Working Length | 32 in 813 mm |
GH-40
| Specification | Value |
|---|---|
| Impact Energy Class | 17000 ft lbs 23050 (J) |
| Impact Frequency | 240 - 330 bpm |
| Recommended Carrier Weight | 160,000 - 260,000 lbs. 72.5 - 118 metric tons |
| Oil Flow | 79 - 106 gpm 300 - 400 lpm |
| Operating Pressure | 2600 psi 180 bar |
| Working Weight | 17000 lbs 7710 kg |
| Tool Diameter | 8 in 204 mm |
| Tool Working Length | 35.4 in 899 mm |
GH-50
| Specification | Value |
|---|---|
| Impact Energy Class | 20000 ft lbs 27115 (J) |
| Impact Frequency | 210 - 280 bpm |
| Recommended Carrier Weight | 240,000+ lbs. 108+ metric tons |
| Oil Flow | 92 - 119 gpm 350 - 450 lpm |
| Operating Pressure | 2600 psi 180 bar |
| Working Weight | 24910 lbs 11300 kg |
| Tool Diameter | 8.4 in 214 mm |
| Tool Working Length | 39.7 in 1008 mm |
| NPK Model | Impact Energy Class | Impact Frequency | Recommended Carrier Weight | Oil Flow | Operating Pressure | Working Weight | Tool Diameter | Tool Working Length |
|---|---|---|---|---|---|---|---|---|
| GHD-10 | 4000 ft lbs 5425 (J) | 430 - 550 bpm (Normal Speed) 600 - 800 bpm (High Speed) | 46,000 - 66,000 lbs. 21 - 30 metric tons | 44 - 55 gpm 165 - 210 lpm | 2,300 - 2,600 psi 160 - 180 bar | 4800 lbs 2180 kg | 5.4 in 136 mm | 24.4 in 620 mm |
| GHD-12 | 5500 ft lbs 7460 (J) | 400 - 520 bpm (Normal Speed) 650 - 780 bpm (High Speed) | 56,000 - 86,000 lbs. 25.5 - 39 metric tons | 45 - 58 gpm 170 - 220 lpm | 2650 psi 183 bar | 5655 lbs 2565 kg | 5.7 in 146 mm | 25.6 in 650 mm |
| GH-15 | 8000 ft lbs 10850 (J) | 320 - 400 bpm | 66,000 - 100,000 lbs. 30 - 45 metric tons | 53 - 66 gpm 200 - 250 lpm | 2600 psi 180 bar | 6800 lbs 3085 kg | 6.1 in 156 mm | 27.2 in 690 mm |
| GHD-18 | 12000 ft lbs 16270 (J) | 300 - 400 bpm (Normal Speed) 500 - 700 bpm (High Speed) | 70,000 - 114,000 lbs. 32 - 52 metric tons | 58 - 77 gpm 220 - 290 lpm | 2500 psi 172 bar | 7905 lbs 3585 kg | 6.5 in 165 mm | 29.1 in 740 mm |
| GH-23 | 13500 ft lbs 18305 (J) | 300 - 400 bpm | 100,000 - 150,000 lbs. 45 - 68 metric tons | 66 - 85 gpm 250 - 320 lpm | 2600 psi 180 bar | 10750 lbs 4875 kg | 6.9 in 174 mm | 34.6 in 880 mm |
| GH-30 | 15000 ft lbs 20340 (J) | 310 - 390 bpm | 100,000 - 186,000 lbs. 45 - 84 metric tons | 74 - 92 gpm 280 - 350 lpm | 2600 psi 180 bar | 13500 lbs 6125 kg | 7.2 in 184 mm | 32 in 813 mm |
| GH-40 | 17000 ft lbs 23050 (J) | 240 - 330 bpm | 160,000 - 260,000 lbs. 72.5 - 118 metric tons | 79 - 106 gpm 300 - 400 lpm | 2600 psi 180 bar | 17000 lbs 7710 kg | 8 in 204 mm | 35.4 in 899 mm |
| GH-50 | 20000 ft lbs 27115 (J) | 210 - 280 bpm | 240,000+ lbs. 108+ metric tons | 92 - 119 gpm 350 - 450 lpm | 2600 psi 180 bar | 24910 lbs 11300 kg | 8.4 in 214 mm | 39.7 in 1008 mm |
*Impact Energy Class is a marketing rating and does not relate to measured impact energy. **Working weights include tool and mounting bracket. Weights may vary with bracket configurations. ***In reference to Impact Frequency for GHD models: “N” is at Normal Speed/Standard Power, “H” is at High Speed/Reduced Power. Specifications subject to change without notice.
Buy Your Hydraulic Hammer Through a Trusted Dealer
Looking to find a dealer you can trust? Get expert guidance and reliable support by connecting with an authorized NPK dealer. Our dealers are specialists in hydraulic hammers and can help you select the right model for your equipment and job requirements.
NPK’s hydraulic hammers are engineered for maximum impact force, efficiency, and reliability. With innovative features designed to reduce wear, increase uptime, and improve operator comfort, our hammers deliver superior results in demolition, excavation, and construction applications.
Powerful Impact for Any Job
NPK hydraulic hammers provide exceptional breaking force to tackle even the toughest materials, from concrete to the hardest rock.
Durability You Can Rely On
Built with high-quality materials and a simple, two-moving-parts design, our hammers ensure long-lasting performance with minimal maintenance.
Operator Comfort & Cost of Ownership
Featuring a shock-absorbing hammer bracket and an anti-blank fire system, NPK hydraulic hammers reduce vibration and prevent unnecessary wear, enhancing both longevity and efficiency.
Easy Maintenance & Serviceability
Designed with replaceable cylinder sleeves and open hammer bracket design, our hammers offer industry-leading serviceability, reducing downtime and overall maintenance costs.
Hydraulic Hammer Applications
Our hydraulic hammers are versatile and suitable for a wide range of applications. Explore their capabilities.
Demolition & Recycling
Transportation & Waterways
Building & Construction
Disaster Preparedness & Recovery
Municipal & Government
Mining, Quarry & Aggregate
Pipeline & Utility
Industrial
Rental
Hydraulic Hammer Support Materials
Access detailed manuals, brochures, and service bulletins to get the most out of your NPK hydraulic hammer. Whether you need technical specifications or maintenance guides, our publications provide the information you need to keep your equipment running at peak performance.
Find a Trusted Hydraulic Hammer Dealer
Get expert advice and reliable support from an authorized NPK dealer. Our dealers can help you choose the right hydraulic hammer for your equipment and ensure you have access to the best service and parts.