Excavators

Liebherr Construction Equipment Co. Rolls Out R924 Compact Swing Excavator →

From Construction Equipment Guide... The new R924 compact swing excavator made its debut at the 2009 World of Concrete trade show. This compact excavator belongs to a new generation of Liebherr machines and features a newly developed Liebherr diesel engine D936S that meets the new Tier III noise and emissions regulations. The compact swing excavator is a full size 163 hp (121.5 kW) in a compact body; it offers the practicality of a minimal tail-swing excavator while maintaining powerful performance. Click for more...

Komatsu PC35MR-3 Compact Hydraulic Excavator Increases Productivity →

From Construction Equipment Guide... Komatsu America Corp.’s (KAC) PC35MR-3 compact hydraulic excavator is designed to bring increased production and added operator comfort to contractors in a variety of construction, utility, landscaping and other applications. The PC35MR-3 is equipped with the latest Komtrax technology, which sends machine operating information to a secure Web site utilizing wireless technology. Data such as operating hours, machine location and fuel levels are relayed to the web application for analysis. Click for more...

VersaLoc is JRB’s Latest in Quick Couplers for Excavators →

From Construction Equipment Guide... JRB, a member of the Paladin Heavy Construction Group has released its new quick coupler for the excavator market. VersaLoc incorporates a new concept in quick couplers that was designed to increase both productivity and safety. From a productivity point of view, the new VersaLoc features the ability to handle multi-pin spreads as well as various pin diameters. This gives the customer the versatility to change out a large variety of attachments in seconds, without leaving the cab, according to the manufacturer. Click for more...

Zaxis 850LC-3 Excavates Quarries, Heavy Construction Jobs →

From Construction Equipment Guide... The ZX850LC-3, packing many of the larger EX1200’s engineering characteristics, is suited for quarries, demolition, and heavy construction jobs. The pairing of Isuzu’s Tier-III-certified 532-net-peak-hp (397 kW) AH-6WG1XYSA-03 engine with Hitachi’s HIOS III hydraulic system has increased engine output as well as the bucket and arm digging forces. Operators can tailor machine performance to the job by selecting one of three power modes — Economy (E), Power (P), or High Power (HP). Click for more...

Zaxis 350LC-3 Is a Versatile Performer →

From Construction Equipment Guide... Beefed-up in several critical areas and powered by Isuzu’s six-cylinder Tier-III-certified engine, the ZX350LC-3 performs more like its larger production-sized siblings, according to the manufacturer. Swing torque, traction force, and digging force have all been increased over previous models. The P Mode increases production; the E mode can reduce fuel consumption. The Zaxis 350LC-3 weighs 77,269 lbs. Click for more...

XL 4300 III Excavator Handles Big Jobs Both On, Off Pavement →

From Construction Equipment Guide... The 44,000 lb. (19,958 kg) Gradall Model XL 4300 III hydraulic excavator offers the versatility of a tilting, telescoping boom as well as mobility both on and off paved surfaces. Powered by a new Detroit Diesel Mercedes engine, the XL 4300 III delivers noticeably greater bucket breakout and boom forces to increase productivity for high performance jobs, according to the manufacturer. The XL 4300 III carrier, with a new counterweight and profile, is 9 in. Click for more...

XL 3300 III Has On/Off Pavement Mobility, Versatility →

From Construction Equipment Guide... A new on/off pavement XL 3300 III excavator by Gradall Industries Inc. offers new features to build efficiency as well as performance on a wide range of jobs. One of five Gradall Series III machines currently being introduced, the XL 3300 III weighs about 39,000 lbs. (17,690 kg). Its four-wheel-drive, rubber-tire undercarriage moves easily in dirt and mud, while also offering mobility on pavement. Click for more...

Caterpillar Pin Grabber Performance Bucket Maximizes Excavator Digging Performance →

Caterpillar’s pin grabber performance bucket provides maximum digging performance when using a pin grabber coupler on hydraulic excavators. The system delivers powerful bucket curl forces in combination with the versatility and convenience that a hydraulically powered quick coupler offers. The recessed pin design reduces tip radius and gives as much as 10 percent improvement in breakout force when compared to conventional pin-on bucket and coupler systems. Click for more...

Case Upgrades Its Largest Excavator Model CX800B →

From Construction Equipment Guide... Case Construction Equipment has upgraded its largest excavator — the CX800B — to its B Series line of excavators. The new CX800B features increases in fuel efficiency and productivity, as well as improved operator comfort and ease of maintenance. The excavator also features an electronically controlled, common rail Tier III-certified 15.7L Isuzu engine which delivers 532 net hp (397 kW). Click for more...

Case Adds CX130B Long Carriage to Excavator Line →

From Construction Equipment Guide... Case Construction Equipment has added the CX130B LC (long-carriage) excavator to the Case CX B Series lineup. The CX130B LC track length is increased by nearly 1 ft. (.3 m), to 12 ft. 4 in. (3.7 m). Heavy Lifting Capacity With an operating weight of 28,400 lbs. (12,882 kg), the CX130B LC can handle heavy digging and lifting applications in any environment — from residential to commercial construction. Click for more...

Case Expands CX B Series Excavator Line With Three New Models →

From Construction Equipment Guide... Case Construction Equipment has added the CX350B, CX470B and CX700B to its CX B Series line of excavators. These new models feature increases in fuel efficiency and productivity, as well as improved operator comfort and ease of maintenance. These excavators also feature electronically controlled, common rail Tier III-certified 7.8-L Case engines, which burn cleaner and more efficiently and deliver from 271 to 463 net hp (202 to 345 kW). Click for more...

Atlas Copco Construction Tools Offers HB 7000 Hydraulic Breaker →

From Construction Equipment Guide... The HB 7000 hydraulic breaker attachment from Atlas Copco Construction Tools LLC boasts a service weight of more than 7 tons (6.3 t), making it ideal for primary and secondary quarry breaking, demolition, tunneling, trenching and foundation work. Accepting a maximum hydraulic flow of 119 gpm (450 Lpm) at 2,610 psi, the HB 7000 delivers an impact rate of up to 450 bpm. This offers maximum productivity in extreme breaking conditions. Click for more...

AIM HD33 Excavator Buckets Are Part of a Complete Line →

From Construction Equipment Guide... AIM Attachments manufactures a complete line of heavy-duty, severe-duty and ditch cleaning excavator buckets for machines of all sizes. These buckets feature hardened steel construction highlighted by AR400 steel cutting edges and side cutters. AIM HD33 excavator buckets offer thick horizontal wear straps, full-curve side wear straps and D-rings as standard features. They are currently available in heavy duty and severe duty configurations for 20,000 to 33,000-lb. Click for more...

Volvo’s ECR Short-Swing Excavator Range Work in Confined Spaces →

From Construction Equipment Guide... The result of extensive customer consultation — highlighting the need for short swing machines that offer productivity, ease of operation and safety equal to their “conventional” counterparts — sees the addition of a third, larger model to the Volvo range. The 34.8 ton (31.6 t) Volvo ECR305CL overcomes the dynamic challenges of producing excavators that can work in confined areas and still perform well and sets a new standard in the industry for not only lifting capacity but also stability — especially important in loading applications. Click for more...

McCourt Construction Begins Widening Infamous Route 128 →

Work has begun on a major component of MassHighway’s Route 128 highway expansion project, a lane-widening effort that will bring rush hour relief to thousands of Boston area commuters. Already under way, following Gov. Deval L. Patrick’s formal approval this past fall, the $42 million plan will reconstruct a section of Interstate 95/93 (Route 128) along the communities of Randolph, Canton, Westwood and Dedham — a stretch of highway that brings hundreds of thousands in and out of Metro Boston every day. Click for more...

Concrete General Leads $47M Md. Project →

From Construction Equipment Guide... A new interchange is making steady progress in Montgomery County, Md. The project involves MD 355 at Montrose/Randolph Road in Rockville. The $47.2 million Maryland State Highway Administration (SHA) job is funded through a combination of federal and state monies. It began in the summer of 2008 and is approximately 40 percent complete and on target for a late fall 2010 completion date. The contract was awarded to Concrete General Inc., Gaithersburg, Md., under the direction of Oliver Roelkey, project superintendent. Click for more...

RaCON Puts Some ’Mussel’ Into U.S. 82 Widening Job →

From Construction Equipment Guide... Contractors widening a roughly 3-mi. (4.8 km) stretch of U.S. 82 through the Sipsey River Swamp in Tuscaloosa County, Ala., have had to contend with a number of water-related issues, from endangered species relocation to destabilizing wet clay in the soil to flooding. Still, the $14.1 million project to complete the highway’s four-laning through the county is running about 8 percent ahead of schedule, said Richard Brown, project manager for Tuscaloosa-based RaCON Inc. Click for more...

Safer Ten Mile River Span on Fast Track →

There is a bridge on Route 1 in Mendocino County that travels over a wide river. It is beautiful, scenic and peaceful — but it is also dangerous, as it is susceptible to collapse during an earthquake. In fall 2010, it will be gone. In its place, Golden State Bridge Inc. is constructing a new bridge just 60 ft. (18.2 m) east of the old one. The new bridge will be a 1,479- by 44.9-ft. (451 by 13.7 m) impressive concrete structure with two 12-ft. Click for more...

Bobcat Compact Loaders Elevate Business to New Level →

From Construction Equipment Guide... Peter Marra has moved on to landscaping’s “big stage” accompanied by a cast of Bobcat products — six hard-working compact loaders, a smooth-operating compact excavator and more than 20 versatile attachments. “If it wasn’t for Bobcat equipment, I don’t know where we would be,” said the Manchester, Conn., landscape contractor. “These machines have improved our business 100 percent.”Today, Marra and his 16 employees take on landscaping jobs ranging from the Hotchkiss School, a prestigious boarding school in Lakeville, Conn., to $3 million homes on the shore, or new homes for upscale builders. Click for more...

Nye’s ’Mother of All Rippers’ Takes on Toughest Surfaces →

From Construction Equipment Guide... The MOAR (Mother of all rippers) is a new concept in heavy duty ripping from Nye. These rippers are built with extra steel plates to make them super heavy, the extra weight is additive to the carriers downward force, yielding enhanced penetration and performance. The MOAR was originally conceived in Nova Scotia, Canada, for ripping shale on a particularly tough job where blasting was not permitted. Click for more...

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