Excavators

Critical Decisions Make All the Difference in Dozer Lifespans →

From Construction Equipment Guide... Bulldozers are tough machines, and owners and operators can extend their machines’ working lives by making critical decisions about their undercarriage. The decisions begin before a new machine is ordered from the dealership. “One type of undercarriage does not fit all applications,” warned Tim Nenne, a Caterpillar undercarriage market professional. Nenne began working with drivetrain and undercarriage issues at the Caterpillar Tech Center almost 25 years ago. Click for more...

Dan Mackin Realizes His Dream of Owning Excavation, Concrete Company →

From Construction Equipment Guide... Dan Mackin has a concrete foundation in the construction industry because, since childhood, he was always around concrete. Mackin, the owner of Dan Mackin Construction, founded in Griswold, Conn., in 1998, comes from a family that was always in the building business. ? “My father was a partner with two of his brothers,” said Mackin “They did concrete and excavation. At some point, that company split up and they went their own separate ways. Click for more...

Komatsu Launches PC240LC-11 Hydraulic Excavator →

From Construction Equipment Guide... With a net 177 hp (132 kW), Komatsu’s PC240LC-11 hydraulic excavator is powered by a Komatsu SAA6D107E-3B engine and is EPA Tier IV Final emissions certified. Komatsu’s Tier IV Final engines are built on a solid foundation that started in 1996 with the introduction of Komatsu’s Tier I engines. The resulting benefit today is a Tier IV Final engine that is productive, dependable and efficient. Click for more...

Cat M318F, M320F Wheel Excavators Deliver Added Performance, Convenience, Low Costs →

From Construction Equipment Guide... When designing the new Cat M318F and M320F wheel excavators, Caterpillar solicited customer input for characteristics considered important. Heading the list were initial quality and reliability, low operating costs, operator comfort and safety, simplicity of operation and maintenance, durability, and environmental friendliness. The new models are designed around those goals, while retaining the best features of predecessor models, including the Cat Smartboom, ride control, load-sensing hydraulics, dedicated swing pump, hydraulically driven cooling fan, large working envelope, and configuration/work-tool versatility. Click for more...

Advanced Rubber Track Technology Applied on Mini-Excavator Tracks →

From Construction Equipment Guide... Addressing the technology gap between rubber tracks available for compact track loaders and those available for mini-excavators, McLaren Industries now offers its high-performance NextGen TDF series rubber tracks for mini-excavators. This product release represents the first of its kind to offer increased track strength and durability for mini-excavators. Unlike other jointless cable tracks, the SpoolRite belting technology used in the NextGen TDF series is a proprietary system that radically increases the tensile strength of the tracks’ internal structure. Click for more...

Roxboro Contractor Finds Precision Tool for Site Grading →

From Construction Equipment Guide... On a recent hot summer day at a building site in north Raleigh, excavators and bulldozers were busy working to grade the site for a future Lifetime Fitness location. The health and fitness center is being built to serve the area’s growing number of residential neighborhoodsAt the center of the work was a bevy of equipment operators from Jimmy Lewis & Sons Grading and Septic Tank Services Inc., a 45-year-old company based northwest of Raleigh in the Person County town of Roxboro. Click for more...

Fuel-Efficient Cat 323F L ES Excavator Is Built for Extreme Service →

From Construction Equipment Guide... The Cat 323F L ES (extreme service) excavator is a specially designed machine with reinforced structures and massive counterweight to take on the most severe applications. The machine delivers 20 percent more over-the-side lift capacity than its conventional 20-ton counterpart and has the stability to handle the largest of work tools like thumbs and grapples for added versatility, according to the manufacturer. Click for more...

SANY SY335LC Excavator Delivers High Productivity, Low Cost of Ownership →

From Construction Equipment Guide... As the largest of five SANY standard excavator models, the SY335LC offers a bucket breakout force of 49,458 ft. lb. (220 kN) and a dig depth of 24 ft. 2 in. (7.3 m). The SY335LC excavator features precision hydraulic controls for accurate, productive work in demanding applications, including trenching and demolition. Standard two-way auxiliary hydraulics provide power for popular attachments such as thumb-grapples and hammers. Click for more...

Doosan Introduces DX300LC-5, DX350LC-5 Excavators →

From Construction Equipment Guide... Two new Tier IV-compliant Doosan excavators are now available in the United States and Canada — the DX300LC-5 and DX350LC-5 — featuring improvements in fuel efficiency, productivity and durability. Replacing the DX300LC-3 and DX350LC-3 models respectively, the new Doosan crawler excavators have new engine modifications and aftertreatment technologies to meet Tier IV emissions regulations. Click for more...

Tier IV Interim Power for JCB’s Largest Crawler Excavator →

From Construction Equipment Guide... Tipping the scales at 84,600 lb. (38,374 kg), JCB’s JS360 is powered by a six-cylinder, 7.8-L Isuzu engine, meeting Tier IV Interim emissions standards. This highly efficient powerplant produces 281 hp (210 kW) at just 1,900 rpm, driving a sophisticated twin pump, load sensing hydraulic system to deliver strong digging performance. When equipped with a 21 ft. 2 in. (6.4 m) main boom and a 7 ft. Click for more...

LiuGong Unveils 950E Large Tonnage Excavator →

From Construction Equipment Guide... The 950E crawler excavator’s developments started with LiuGong’s intelligent power control system (IPC) to provide more accurate matching and control over engine speed and main pump flow, delivering more power, faster response and smoother operation. The control valve and cylinders have been optimized to improve front-end performance, efficiency, fuel consumption and cutting down on the damper loss of the hydraulic system. Click for more...

Komatsu Launches PC55MR Compact Hydraulic Excavator →

From Construction Equipment Guide... Komatsu America Corp.’s PC55MR EPA Tier IV Final compact hydraulic excavator is designed to provide increased versatility, improved operator comfort and lower operating costs for contractors working in a variety of construction, utility, landscaping and other excavation applications. The PC55MR has an operating rate between 11,330 lbs. (5,150 kg) and 12,750 lbs. (5,795 kg). The excavator is powered by a 38.0 net hp (28.3 kW) SAA4D88E-7 engine that is EPA Tier IV Final emission certified. Click for more...

Toronto Owner Operator Finds Increased Productivity in the Tightest of Places →

From Construction Equipment Guide... Trailering in a 59,300 pound excavator to demolish a brick building will definitely draw notice – especially when the buildings on either side of the structure to be razed are literally just a couple feet away. That’s the challenge that family-owned RoadEx Contracting Ltd, a three-generation owner operator construction company located in Toronto Canada, frequently faces. “We’ve had occupants of buildings sit and watch our operators all day as we knock the structures down,” said Ernie Campoli, RoadEx owner. Click for more...

Raleigh Company Aims to Meet Area’s Waste Removal Needs →

From Construction Equipment Guide... Getting actual dirt on your hands and coming home dog-tired at the end of the day can still buy success in this country. Dan Wall exemplifies this idea. Since 2006, through his hard work and perseverance, Wall was able to turn a one-man, one-truck operation into a booming business. Wall’s Elite Waste Services is a successful firm in the Raleigh area due in large measure to his tenacity and enthusiasm. Click for more...

Hyundai Launches R140/160/180LC-9A Excavators →

From Construction Equipment Guide... Hyundai Construction Equipment Americas Inc. has added three new mid-size excavator models — the R140LC-9A, R160LC-9A and the R180LC-9A, — to its 9A series product line. These machines will provide operators with enhanced features and benefits compared to prior models including a certified Tier IV Interim engine upgrade, improved hydraulics, increased operator comfort and added durability, according to the manufacturer. Click for more...

Volvo EC350E Switches Tasks With Ease →

From Construction Equipment Guide... The new Volvo EC350E crawler excavator lowers operating costs through reduced fuel consumption and simple maintenance requirements in general applications. Powered by a Tier IV Final/Stage IV-compliant Volvo D13 engine, the EC350E delivers powerful digging and breakout forces alongside reduced emissions and a significant improvement in fuel efficiency, according to the manufacturer. The EC350E hydraulics are matched to the engine and are controlled by an advanced system which provides on-demand flow and reduces power losses within the circuit. Click for more...

Case Introduces Tier IV Final CX350D →

From Construction Equipment Guide... The Case CX350D is designed to provide significant operational gains over previous models, including cycle times up to 12 percent faster, improved responsiveness and multifunctional control, and up to 14 percent greater fuel efficiency. With an operating weight of 82,483 lbs., the CX350D features a 268 hp Tier IV Final diesel engine and up to 56,157 foot-pounds of bucket digging force. As part of the Case D Series lineup, the CX350D offers more standard features than any previous Case excavator, simplifying the buying process and making the machine extremely versatile and operator friendly, according to the manufacturer. Click for more...

Topcon Unveils New 2D, 3D Excavator Control Systems →

From Construction Equipment Guide... Topcon Positioning Group added two new indicate control systems to its excavator control system lineup — the X-32 and X-33. The systems feature Topcon’s new GX-30 control box and TS-i3 sensors. The GX-30 features a full-color touchscreen display. The TS-i3 sensors have no moving components, offer single and dual-axis measurement modes, and include convenient LED status indicators. X-32: 2D Indicate System for Grade Control“The X-32 is a versatile and easy-to-use 2D excavator system that includes technology not available on other, more expensive systems,” said Kris Maas, manager of machine control product marketing. Click for more...

Cat 390F, 374F Meet U.S. EPA Tier IV Final Standards →

From Construction Equipment Guide... The Cat 390F and 374F excavators use fuel-efficient Cat ACERT engines — the C15 in the 374F and C18 in the 390F — to meet U.S. EPA Tier IV Final emissions regulations. The new models build on the durability, reliability, and performance of the D Series, and they reflect Cat’s F Series design criteria, which include low fluid consumption for minimal operating costs, optimum operator comfort, easy serviceability, and class-leading productivity. Click for more...

Cat 336F Excavator Delivers Superior Productivity, Fuel Efficiency With Reduced Emissions →

From Construction Equipment Guide... The Cat 336F excavator is built to meet U.S. EPA Tier IV Final emissions standards, and it comes equipped with several features to enhance fuel efficiency. Electric boom and stick regeneration valves capture and recycle energy, and an engine idle shutdown setting turns the engine off after a specified amount of idle time. Additionally, the operator can reduce engine speed to idle with the touch of a button to help save fuel, plus an economy power mode helps the operator manage and conserve fuel. Click for more...

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