Tag: 25 days of rollouts

Roadbuilding

25 Days of RollOuts: Liebherr R 9XX

Liebherr’s R 9XX 40-ton prototype electric hybrid excavator features an electric hybrid driveline and is powered mostly by a standard diesel engine, though it also uses an electric storage device known as supercaps and a hydraulic pressure accumulator. The hybrid system on the R 9XX can supply short-term peak power at up to twice the […]

December 30, 2013

Roadbuilding

25 Days of RollOuts: Komatsu’s wheel loader

Komatsu America’s WA270-7 wheel loader lowers fuel consumption by up to 10 percent compared to its predecessor, the WA250-6. A Tier 4 Interim SAA6D107E-2 engine powers the 28,836-pound machine and delivers 149 net horsepower. The wheel loader features Parallel Z-bar loader linkage, which delivers a 10-percent increase in lift force and offers a parallel lift […]

December 27, 2013

Roadbuilding

25 Days of RollOuts: Terex’s front-discharge mixer truck

After a halt in production, Terex Roadbuilding rolled its FD5000 “Great Lakes” front-discharge mixer truck. It is 2013 EPA-compliant engine (MTU DD13 diesel engine), which can be configured to provide 350-, 380- or 450-horsepower. The mixer truck on display has a 450-horsepower diesel engine with 1,550 ft.-lb. torque. 197-inch wheelbase, an increase compared to previous […]

December 27, 2013

Roadbuilding

25 Days of RollOuts: Wirtgen’s concrete/asphalt milling drum

Wirtgen’s Hamm H251 VC combination concrete/asphalt milling drum with a vibrating roller – a.k.a. “crusher drum” – destroys material underfoot while on the move. Applications for the crusher drum include Applications for the crusher drum include breaking or pre-crushing rock, breaking up concrete, crushing and compacting mixed soils, compacting cohesive soils, compacting during cold recycling […]

December 26, 2013

Roadbuilding

25 Days of RollOuts: Case’s asphalt rollers

Case Construction Equipment’s DV Series – DV23, DV26, DV36 and DV 45 – replaces the DV 201, DV202 and DV204. The series is designed for applications such as paving parking lots, bike paths, tennis courts and other small- to medium-sized projects. The DV Series rollers, all powered by Tier 4 Yanmar engine, have drum widths […]

December 24, 2013

Roadbuilding

25 Days of RollOuts: Volvo DD110B asphalt compactor

Volvo’s DD110B asphalt compactor, which replaced the DD90, features larger drums, more amplitude, higher frequency, increased centrifugal force and more water storage (made possible with two tanks) than its predecessor and is powered by a Tier 4 Interim Volvo engine. Volvo also included a new operator system with features like a six-way adjustable seat, tilt-steering […]

December 23, 2013

Roadbuilding

25 Days of RollOuts: Bomag tandem roller has economizer stiffness reader

Bomag’s BW138AD tandem roller, powered by a Tier 4i 45.3-horsepower, water-cooled Kubota diesel engine, now has the Bomag’s Economizer technology as an option, which gives operators a real-time reading of soil stiffness during the compaction process. The Economizer uses an acceleration sensor to measure stiffness of the material across the compacted material, and then displays […]

December 23, 2013

Roadbuilding

25 Days of RollOuts: Dynapac’s soil compation machines

Dynapac new range of soil compaction machines has a transversely-mounted engine, a design move which makes almost all of the engine easily accessible to mechanics when the hood is lifted. Dynapac says the sideways engine eliminates a problem common with the larger Tier IV Interim engines, which, traditionally mounted with the cooling package at the […]

December 20, 2013

Roadbuilding

25 Days of RollOuts: Trimble’s Version 2.1 of the PCS900 Universal Total Station Paving Control System for Milling Machines

Introduced at bauma 2013, Trimble’s Version 2.1 of the PCS900 Universal Total Station Paving Control System for Milling Machines — a 3D asphalt milling solution — is designed to help contractors mill a smoother surface. The portable 3D milling solution is CAN-based, which allows the system to communicate directly with factory-installed 2D systems from most […]

December 20, 2013

Roadbuilding

25 Days of RollOuts: Wirtgen’s AutoPilot Field Rover eliminates stringlines

Wirtgen’s AutoPilot Field Rover, which won an innovation award at Bauma 2013, eliminates stringlines by using a GPS to guide paving machines instead. The device uses a computer integrated into the machine, GPS receivers mounted on the paver and a control panel. To create the stringline, the receivers communicate with GPS reference station, which measures […]

December 19, 2013

Roadbuilding

25 Days of RollOuts: Bobcat’s asphalt preservation tools system is compatible with 12 machine models

Bobcat’s asphalt preservation tools system has an infrared asphalt heater and an asphalt processor compatible with 12 Bobcat all-wheel, skid-steer and track loader models: A300, A770, S300, S330, S750, S770, S850, T300, T320, T750, T770 and T870. The 3,760-pound AH30 heater is 59 inches long, 84.4 inches high and 111.4 inches wide, while the 995-pound […]

December 18, 2013

Roadbuilding

25 Days of Products: John Deere’s 644K Hybrid wheel loader combines diesel, electric energy

John Deere Forestry and Construction’s 644K Hybrid wheel loader uses two sources of energy – diesel and electric – capturing regenerated energy as its being created and uses it to power the machine. Equipped with a John Deere PowerTech 6.8-liter Interim Tier 4/Stage IIIB engine, the loader runs at an operator-selected constant speed from 900 […]

December 17, 2013