Crawler Dozers

RMS Hosts Komatsu Dozer Innovations Open House →

From Construction Equipment Guide... Road Machinery & Supplies hosted the Komatsu Dozer Innovations Open House in Savage, Minn., on June 26. Those who attended got to see firsthand the D61EXi/PXi-23, Komatsu’s first intelligent Machine Control model to the North American market. Due to its first fully automatic blade control, the D61i-23 dozer can perform not only finish grading, which has been possible with conventional machine control, but also rough dozing. Click for more...

Arcilla Mining Focuses on Sustainability →

From Construction Equipment Guide... Running through the southeastern United States is a vein of white clay suitable for human consumption, making paper, rubber and ceramics manufacturing and use for fracking. Ted Smith of Arcilla Mining is going after the clay in a big way. Arcilla Mining & Land Co. has entered a third decade of mining kaolin clay, transporting it to processing plants up to a hundred mi. away and restoring the land to a productive condition. Click for more...

Komatsu America Corp. Launches Its First intelligent Machine Control Dozer →

From Construction Equipment Guide... Komatsu America Corp. has introduced the D61EXi/PXi-23, Komatsu’s first intelligent Machine Control model to the North American market. Thanks to its first fully automatic blade control, the D61i-23 dozer can perform not only finish grading, which has been possible with conventional Machine Control, but also rough dozing. As a result, it achieves outstanding improvement in productivity. This is the first machine using this new technology, and it is scalable to other products manufactured by Komatsu. Click for more...

Benchmark Tool & Supply Event Features Topcon Systems →

From Construction Equipment Guide... Benchmark Tool & Supply held a demo day in Raleigh, N.C., on March 26 and in Concord, N.C., on April 2. The company installed its Topcon 3D-MC2 systems on comparable dozers a John Deere 750K LGP from RW Moore and James River Equipment, Komatsu D61PX from Linder Industrial Machinery and a Cat D6KXL from Gregory Poole Equipment Company and Carolina CAT. The evaluation was designed to show how its systems could increase operator efficiency and productivity. Click for more...

Caterpillar Expands Its Mini Excavator Range →

From Construction Equipment Guide... Caterpillar has added three models with operating weights of 2,061 lbs., 3,340 lbs. and 5,886 lbs. The 300.9D weighs in at just 2,061 lbs., making it the smallest machine in the Cat range. With an overall width of just 28.7 in., this machine is capable of driving through a standard doorway, providing easy access to the most confined job sites. A powerful water-cooled three-cylinder diesel engine produces 18.4 hp (13.7kW); along with a twin gear pump hydraulic system creates a maximum stick breakout force of 1,011 lbf (4.5kN) and a maximum bucket breakout force of 2,000 lbf (8.9kN). Click for more...

Komatsu America Corp. Launches D37-23, D39-23 Crawler Dozers →

From Construction Equipment Guide... Komatsu America Corp. introduced its new line of D37-23 and D39-23 crawler dozers, developed using extensive customer input. Komatsu further refined the dozer design to meet EPA Tier IV Interim regulations using smart engine technology while maintaining the same high horsepower. The new dozers have increased productivity, and new operator-specific features, all bundled in a compact 89 or 105 hp (66 or 78 kW) package to push productivity and efficiency to new levels. Click for more...

Komatsu Launches D65-17 Crawler Dozers →

From Construction Equipment Guide... Komatsu America Corp.’s line of D65-17 crawler dozers are powered with the fuel efficient and larger displacement, 8.9 L, EPA Tier IV Interim and EU Stage 3B emission certified Komatsu SAA6D114E-5 engines. Built upon a Tier III engine platform, Komatsu has designed an environmentally friendly engine that increases power while decreasing fuel consumption an additional 5 percent over the Tier III model it replaces, according to the manufacturer. Click for more...

Liebherr PR 764 Litronic Is World’s Biggest Hydrostatically Driven Crawler →

From Construction Equipment Guide... The dozer PR 764 is the largest of the current Liebherr product line. The machine is powered by a Liebherr D 9508 V-8 engine developing 422 hp (310 kW). The engine is turbocharged and utilizes common rail fuel injection. The machine weighs 116,150 lbs. (52,680 kg) and is equipped with a 17.8 cu. yd. (13.6 cu m) semi-u blade and a single shank ripper. As with the entire product line, the PR 764 features a hydrostatic travel drive, making the machine the largest hydrostatically driven crawler dozer. Click for more...

Komatsu D375A-6 Dozer Has More Horsepower, Optimized Blade Profile →

From Construction Equipment Guide... Komatsu America Corp.’s D375A-6 crawler dozer was developed with extensive customer input. Utilizing this valuable customer feedback, the D375A-6 includes technological enhancements designed to enhance productivity in mining and heavy construction applications. Powered by a Komatsu SAA6D170E-5 engine, the dozer has an operating weight of 157,940 lbs. (71,640 kg). The D375A-6 delivers 636 Gross hp (474 kW) at 1,800 rpm while maintaining high fuel efficiency and meeting all EPA Tier III and EU stage 3A emissions requirements. Click for more...

Komatsu America Corp. Launches D61-23 Crawler Dozers →

From Construction Equipment Guide... Komatsu America Corp.’s line of D61-23 crawler dozers were developed with extensive customer input. Utilizing this customer feedback, Komatsu America has produced a crawler dozer that is smarter, more productive, more owner- and operator-focused and that offers lower owning and operating costs, according to the manufacturer. Using its D51-22 as a design starting point, Komatsu refined the dozer design to meet EPA Tier IV Interim regulations while providing more owner- and operator-focused features, all bundled in a larger 130 to 160 hp (97 to 119 kW) package that pushes productivity and efficiency to new levels. Click for more...

Blanchard Machinery Sells to S.C. Forestry Commission →

When Gene Kodama became South Carolina’s state forester in 2008, it was obvious to him that the heavy equipment needs of the state forestry agency were not being met. Addressing those needs became a priority to him, though it seemed an almost impossible challenge coming as it did at the onset of a severe recession. However, daunting or not, the challenge was met. An upgrade of the equipment fleet has begun. Click for more...

John Deere Launches K-Series Crawler Dozer Models →

From Construction Equipment Guide... John Deere is adding four models to the K-Series crawler dozer line, providing contractors an emissions-certified machine that affords higher productivity, increased uptime and lower daily operating costs in earth moving and grading applications, according to the manufacturer. The 550K, 650K, 700K and 750K crawler dozers build off the 850K that launched in 2011. “We’re excited to add four efficient and productive crawler dozer models to the John Deere line-up,” said Jon Gilbeck, global product marketing manager of crawler dozers, John Deere Construction & Forestry. Click for more...

Dual Dozer Enables Machine Adaptablility →

From Construction Equipment Guide... The Dual Dozer, manufactured by HitchDoc, was designed to provide the contractor with enhanced accuracy and machine adaptability. The mount allows the blade to operate independent of the skid steer and holds a grade by receiving a laser signal simultaneously into each laser receiver sensor. The laser controlled grading box is constantly and automatically adjusting on both right and left edges by two hydraulic cylinders, which maintain a precise grade level with a sub-grade accuracy within one-eighth of an inch. Click for more...

Cat D3K2, D4K2 and D5K2 Benefit From Refinement in Blade Control →

From Construction Equipment Guide... The Cat D3K2, D4K2, D5K2 track-type tractors deliver on enhanced finish grading performance and improved fuel economy. New stable blade feature utilizes technology which complements operator blade control input while eco mode improves fuel economy up to 25 percent for lower operating costs. Using a more powerful Cat C4.4 engine that meets Stage IIIB/Tier IV Interim emissions requirements, the K2 models feature hydrostatic drive with traction control, which reduces track slip at maximum load. Click for more...

LiuGong Acquires HSW, Dressta →

From Construction Equipment Guide... LiuGong Machinery Corp., a global construction equipment manufacturer based in Liuzhou, China, has finalized its agreement to acquire HSW (Huta Stalowa Wola) and its distribution subsidiary, Dressta Co. Ltd., company executives announced. The agreement was signed by both companies’ executives in Warsaw with celebration ceremonies following at the Baranów Sandomierski Castle in Baranów Sandomierski, Poland. Click for more...

Linder Hosts TopCon Demonstration in Lakeland, Fla. →

From Construction Equipment Guide... Linder Industrial Machinery, the Komatsu dealer in Florida and the Carolinas, recently hosted a one-day event featuring TopCon machine control systems on a Komatsu dozer, motorgrader and excavator. Attendees enjoyed a barbecue lunch, followed by a brief presentation and the opportunity to try out the equipment with the TopCon machine control systems. A course was set up for running the Komatsu D65-17 dozer and GD655 motorgrader, while the PC240LC excavator had its own spot for operators to try out the digging depth control feature. Click for more...

Case 650L Crawler Dozer Offers High Performance →

From Construction Equipment Guide... Practical for residential job sites and confined commercial work areas, the Case Construction Equipment 650L crawler dozer delivers 74 net hp (55 kW) through a four-cylinder, 4.5 L Case Family IV engine. Operating weights range from 16,250 to 17,550 lb. (7,371 to 7,960 kg). Low operating height allows the 650L to work around low overhangs, while its lighter weight is ideal for work in soft soil conditions. Click for more...

Deere 850K Dozer Jointly Designed by Real-World Operators, Deere Engineers →

From Construction Equipment Guide... After years of working side-by-side with customers to help improve job site productivity, John Deere has introduced the 850K crawler dozer with a new Interim Tier IV (IT4) engine and dual-path hydrostatics. Just one of the hundreds of Deere customers that contributed over the last few years to the company’s new dozer design was veteran crawler operator Rob Anderson. “The 850K’s design shows that Deere listened to our suggestions and ideas from the get-go,” Anderson said. Click for more...

D155AX-7 Increases Productivity, Fuel Efficiency →

From Construction Equipment Guide... Komatsu America Corp.’s D155AX-7 crawler dozer is powered by an EPA Tier IV Interim and EU Stage 3B emission certified Komatsu engine. The powerful SAA6D140E engine is rated at 354 net hp (264 kW). The highly efficient automatic transmission is matched with the new engine to achieve productivity and maintains the same fuel economy as the model it replaces. Komatsu’s new crawler dozer has an operating weight of 87,100 lbs. Click for more...

Komatsu America Corp. Launches D65-17 Crawler Dozers →

From Construction Equipment Guide... Komatsu America Corp.’s new line of D65-17 crawler dozers are powered with the fuel efficient and larger displacement, 8.9 L, EPA Tier IV Interim and EU Stage 3B emission certified Komatsu SAA6D114E-5 engines. Built upon a Tier III engine platform, Komatsu has designed an environmentally friendly engine that increases power while decreasing fuel consumption an additional 5 percent over the Tier III model it replaces, according to the manufacturer. Click for more...

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