HydraulicHammers

HydraulicHammers

! Most Complete Line in theIndustry

! Complete Hydraulic KitsDesigned to fit Your Carrier

! Industry’s Most ComprehensiveField Service Corps

! Extensive Parts DistributionSystem

! Network of Nearly 300Distributor Outlets

NPK ATTACHMENTS...designed, built and backed by NPK.NPK ATTACHMENTS...designed, built and backed by NPK.

More hammer choicesfor skid steers, backhoes,loaders, excavators andmini-excavators

For machines from the smallest, most nimble of carriersto the larger loader backhoe, NPK offers a choice of eight models,ranging from the GH-06 through the E-208with an impact energy class rating of 2,500 ft. lbs.

These hammers are highly effective in a wide range ofdemolition operations, from breaking non-reinforced concrete witha GH-06 on a mini-excavator to removing a reinforced concrete padwith a GH-2 on a skid steer. Larger concrete structuresand rock jobs can be handled quickly with the use of theGH-4 through E-208 on a wide variety of mini-excavators,loader backhoe machines and excavators.

All NPK hydraulic hammers are designed witha greater piston to sleeve bearing area and improvedpiston to seal lubrication, which allows for extended seal life.

NPK hydraulic hammers aredesigned to eliminate the needfor bladder type accumulatorsthat are susceptibleto unexpected failureand high maintenancecost. Built with onlytwo moving parts,NPK hydraulic hammersprovide the increasedproductivity you wantand the reliabilityyou need.

GH-06 GH-07GH-1

GH-2GH-3

GH-4

GH-6

GH-7

Durability, Productivity and RebuildabilityDurability, Productivity and Rebuildability

The most powerfulhammers in the world

NPK breaks new ground in hydraulic hammer technologywith several new models that deliver excellent blow energy.The New NPK “GH” Series includes the world’smost powerful hydraulic hammers.Model’s range from the GH-06impact energy rated at150 ft. lbs. to the giant GH-50with its 20,000 ft. lbs. rating.

Utilizing state of the art computermodeling, NPK has designed alighter weight hammer that delivershigh impact energy. Manufacturedand tested to NPK’s high standardsof quality, NPK backs all models withthe industry’s best service andsupport staff.

In addition, NPK maintains anextensive network of more than 280distributor outlets, the industry’s mostcomprehensive field service corps andan extensive parts distribution networkto assure you receive the best resultswith NPK hydraulic hammers.

GH-9

GH-10

GH-12

GH-15GH-18

Service, Parts and the Best Dealer NetworkService, Parts and the Best Dealer Network

The Right Hammer for Every Job!The Right Hammer for Every Job!

The most extensiveline of hammers for excavators

These rugged hammers, with shock-absorbingmounting systems, are capable of high production rates in all forms ofconcrete as well as medium and hard rock.

These hammers feature a compact design and a long piston stroke coupledwith greater hydraulic efficiency, enabling small carriers to deliver a highimpact, highly productive hammer. In addition,the New “GH” Series Hammers come equippedwith separate ports for the NPK AutoLube systemand an air line for underwater applications.

Low operating noise levels that arefriendlier to both operator and communityare achieved by special cushioning and thebracket design surrounding the hammer.

GH-23GH-30

GH-40GH-50

Sleeve vs. Main Body Replacement Cost Comparison

1,000 ft. lbs.Class

5,000 ft. lbs.Class

$0 $10,000 $20,000 $30,000 $40,000 $50,000 $60,000 $70,000

NPK Hammers Competitive Hammers

All the Right Attachments!All the Right Attachments!

A better design that combines! EFFICIENCY ! RELIABILITY ! SERVICEABILITYA. Excellent power-to-weight ratioB. Unique gas-charged piston maximizes hammer efficiencyC. Simple, two-moving-parts design for reliabilityD. Separate ports for the NPK Auto Lube system and an air

line for underwater useE. Bottom tie rod nuts for easier serviceability (GH Models)F. Quick-change tool system with single round retainer pinG. Variety of tool configurations availableH. Replaceable cylinder sleeves for easy, economical rebuildI. Tool bushings engineered for quick, easy replacement

Vibration control that increases operatorcomfort to increase EFFICIENCYStandard on all medium and large NPK hammers,our shock-absorbing mounting bracket usesspecial heavy duty rubber mounts to absorbshock, recoil, and impulse vibration. Theirunique one-piece design eliminates the needfor mechanical springs and overly heavymounting brackets. The net result is that youminimize machine wear and improve operatorcomfort for greater reliability and productivity.

Simplified lubrication forgreater RELIABILITYA grease port is provided for automatic and/or manualgreasing of the demolition tool. This prevents damageor premature wear caused by a lack of grease.

Full SERVICEABILITY of the industry’s easiest,lowest cost, body-rebuild systemHammers aren’t meant to have an easy life. They occasionally needto be rebuilt. When the hammer body is involved, NPK’s replaceablesleeve design can reduce your costs by a factor of five to ten. Hereare the typical costs involved to re-sleeve the body of an NPKhammer and replace the main body of a hammer from anothermajor manufacturer.

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HYDRAULIC HAMMERSHYDRAULIC HAMMERSThe right model for every machine

NPK Construction Equipment, Inc.7550 Independence DriveWalton Hills, OH 44146-5541Phone (440) 232-7900Toll-free (800) 225-4379Fax (440) 232-4382Internet: www.npkce.com

Each product sold by NPK is subject to an express written warranty. NPK makes no other warranty, express or implied, including any warranty of merchantability or fitness for anyparticular purpose. NPK is not liable for any incidental or consequential damages.

Printed in U.S.A. Form No. B03-0100 (02/11) © Copyright 2011, NPK Construction Equipment, Inc.

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NPK...All the Right Attachments! With innovation throughout construction’s most extensive line.

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SpecificationsNPK Impact Energy Impact Recommended Oil Operating Working Tool Tool WorkingModel Class* Frequency Carrier Weight Flow Pressure Weight Diameter Length

ft lbs bpm tons gpm (lpm) psi (bar) lb (kg) in (mm) in (mm)

GH-06 150 480-1200 1.2-2.2 2.5-7 1,650 235 1.7 12.2(10-25) (115) (107) (42) (311)

GH-07 200 500-1200 1.5-2.75 4-9 1,500 270 1.9 13.1(15-35) (105) (125) (47) (333)

GH-1 350 550-1100 2.5-4.5 7-13 1,750 450 2.2 13.6(25-50) (120) (205) (57) (346)

GH-2 500 500-1300 3-6 7-17 2,250 525 2.6 14.4(25-65) (160) (240) (66) (367)

GH-3 750 500-1150 4-7.5 12-26 1,900 800 3.0 16.1(45-100) (130) (365) (76) (408)

GH-4 1,300 400-1050 6.5-11 13-32 2,200 1,250 3.4 18(50-120) (150) (570) (86) (458)

GH-6 2,000 500-800 11-15.5 24-40 2,400 2,150 4.2 20(90-150) (165) (980) (106) (500)

GH-7 2,500 400-750 14-21 26-48 2,600 2,900 4.6 23(100-180) (180) (1,320) (116) (583)

GH-9 3,000 500-670 20-28 40-53 2,600 3,600 5.0 24(150-200) (180) (1,635) (126) (608)

GH-10 4,000 400-550 23-33 44-55 2,600 4,200 5.4 24.5(165-210) (180) (1,900) (136) (620)

GH-12 5,500 380-480 28-43 45-58 2,650 5,650 5.7 25.5(170-220) (183) (2,565) (146) (650)

GH-15 8,000 320-400 33-50 53-66 2,600 6,800 6.1 27(200-250) (180) (3,085) (156) (690)

GH-18 12,000 300-400 35-57 58-77 2,500 7,800 6.5 29(220-290) (172) (3,540) (165) (740)

GH-23 13,500 300-400 50-75 66-85 2,600 9,240 6.9 34.6(250-320) (180) (4,190) (174) (880)

GH-30 15,000 310-390 50-93 74-92 2,600 13,500 7.2 32(280-350) (180) (6,125) (184) (813)

GH-40 17,000 240-330 80-130 79-106 2,600 17,000 8.0 35.4(300-400) (180) (7,710) (204) (899)

GH-50 20,000 210-280 120+ 92-119 2,600 24,910 8.4 39.7(350-450) (180) (11,300) (214) (1008)

* “Impact Energy Class” is a marketing rating and does not relate to measured impact energy.Working weights may vary with bracket configuration. Specifications subject to change without notice.