LAS VEGAS BOMAG has redesigned its 66- and 78-inch tandem drum rollers to offer improved operator ergonomics and controls, better performance, and greater economy. The new rollers will be on display at CONEXPO-CON/AGG in Las Vegas, March 11-15, 2008.
The new BW266AD-4 has a maximum centrifugal force of 32,800 pounds while the BW278AD-4 has a maximum centrifugal force of 37,100 pounds. Both feature a redesigned cockpit with an innovative sliding/swivel seat for improved operator comfort and visibility, reduced fatigue, and increased efficiency. The swivel seat makes it easy for the operator to adjust positions without switching seats, while providing a clear view of the roller drum edges.
When the seat position is reversed, the joystick controls reverse automatically for natural right/left, forward/back control. An intuitive instrument cluster provides responsive, easy-to-read feedback of machine vitals and mat conditions.
The BW266AD-4 and BW278AD-4 also offer advanced performance and control features that contribute to superior compaction results. An increase in maximum frequency to 4,000 vibrations per minute (vpm) allows the new rollers to work quickly to achieve density on Superpave mixes. The vibration frequency is infinitely variable from 2,500 to 4,000 vpm, allowing the rollers to be used in a wide variety of applications.
The rollers provide instant feedback to the operator to allow constant monitoring of amplitude, frequency, impact spacing and mat temperature. The speed limiter allows the operator to set maximum working speed while the vibration auto on/off ensures total repeatability of system settings and rolling patterns.
The new BW266AD-4 and BW278AD-4 also have advanced features that make them more economical and environmentally friendly. The rollers are equipped with 130-horsepower Cummins QSB4.5 Tier 3 diesel engines featuring an innovative ECO-Mode system that automatically matches engine speed to roller operation, idling the engine during pauses and breaks. This can reduce fuel costs by as much as 20 percent while lowering jobsite noise.
Additional features on the BW266AD-4 and BW278AD-4 include a single hood for easy service access from a standing position, flush-mounted ROPS/FOPS for ease of working next to walls and guard rails, block-type drum isolators, hinged scraper bars and improved optional night paving lights. Larger water tanks on the new rollers permit longer operation between refills, while new nozzles and an interval water spray system reduce water use.
For more information on the BOMAG BW266AD-4 and BW278AD-4 tandem drum vibratory rollers or the complete BOMAG Heavy product line, including single-drum vibratory rollers, tandem-drum vibratory rollers, steel-wheel rollers, pneumatic-tired rollers, recyclers/stabilizers and refuse compactors, contact BOMAG Americas, Inc., 2000 Kentville Road, Kewanee, IL 61443, call (309) 853-3571, fax (309) 852-0350, e-mail email@example.com or visit the BOMAG Web site at http://www.bomag-americas.com.
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