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Wirtgen

Intelligent concrete paver, modular design

Wirtgen’s full-lane-width SP 80i concrete slipform paver was introduced to North America at World of Concrete 2013. The “i” stands for “intelligent” power and emissions control systems. The paver’s modular design permits different configurations. It can be set up as an offset SP 81i for very large sections, or as an inset paver with two-tracks (SP 82i) or four-tracks (SP 84i). Any model can be reconfigured into another with the right options. The fully modular inset mold system permits paving of concrete slabs with central crown from 12- to 26-feet-wide. Concrete can be spread by a spreading plow or spreading auger. www.wirtgenamerica.com

John Deere

Diesel-electric hyrbid loader

John Deere Forestry and Construction showcased its new 644K Hybrid wheel loader at February’s World of Concrete show. The loader captures regenerated energy (from both diesel and electric sources) as it’s being created and uses it to help power the machine.It has four operating speed ranges, but no reverse gear or clutches as direction changes are performed by the electric motor. The generator is brushless and converts the rotational energy from the engine into three-phase alternating current (AC). The water-cooled inverter is a solid-state electronic system that delivers electrical energy to the motor. The single electric motor is also brushless and converts three-phase (AC) back to rotational energy and torque. It replaces the job of a torque convertor, but can also work as a generator to recycle energy back into the system. For an exclusive interview with Deere’s John Chesterman on this machine, go to https://www.youtube.com/watch?v=kyT6U_0YD_M

www.deere.com

Blastrac

Ride-on milling/sawing machine

The Blastrac BMP-4000 introduced at World of Concrete is a new heavy-duty ride-on sawing and milling machine suited for large applications such as road construction. The machine is equipped for cutting, removing and sawing of concrete, asphalt and natural stone surface to a depth of 2.36 inches with sawing and 2.5 inches of milling. By changing the hydraulic motor, the milling and sawing technology can be easily swapped. The machine has a double hydraulic micrometric adjustment to set the working depth to work precisely and eliminate the risk of underground deterioration. www.blastrac.com

John Deere

Flat floor design, operator choices

John Deere Forestry and Construction new E-Series line includes five skid steer models and four new compact track loaders (CTLs), each with Interim Tier Four or Final Tier Four engines. The large-frame skid steers and CTLs feature a flat floor design with 25 percent more foot room than previous models. All models in the line include low-effort electro-hydraulic (EH) controls for additional comfort and ease of operation. The EH controls are available for ISO, H, and foot control patterns. Operator can switch between all three control patterns. Another new standard feature is connect-under-pressure auxiliary hydraulic couplers. Exclusive interview on the new E-Series skid steers at http://youtube/2wmg3yJywXs. Exclusive interview on G-Series CTLs at https://www.youtu.be.com/watch?v=JNEI6Yu_AIE.

Dexter + Chaney

Project management software

Dexter + Chaney rolled out its Spectrum Project Management system at World of Concrete. The new software integrates its Plan Room and Spectrum Accounting software. The system is cloud-based, requiring no software downloads and is accessible from any device with a web browser. The application covers numerous functions, including job cost and progress reporting, project logging, submittal and RFI tracking, and project document storage and sharing.The system essentially builds pictures of project status by combining financial and field information, managing people and documents and tracking workflow from a single project log screen. A daily work journal with photos in PDF format can be formed, creating a project document. For more extensive coverage, including an exclusive interview with John Chaney, go to http://www.betterroads.com/?p=24759.

www.dexterchaney.com/project-management

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