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Is there a connection between downsped drivetrains and increased brake wear? There shouldn’t be. Downsped fleets seeing increased brake wear are probably not letting the technology do its job, explains HDT Equipment Editor Jim Park.
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Engine downspeeding is an elegant way of reducing fuel consumption, and thus CO2 emissions. But if drivers don’t embrace it or won’t use the technology properly, nobody sees its full benefit. Jamie Hagen of Hell Bent Xpress in Aberdeen, South Dakota is an expert on the gear-fast, run-slow concept. He shares his experience learning to love trucking at 900 rpm.
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Dana Incorporated has announced the Spicer Dura-Tune center bearing, available on standard Spicer SPL driveshafts and heavy-duty Spicer 10 Series driveshafts.
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The Eaton Cummins Automated Transmission Technologies joint venture has added a new downsped overdrive model to its range of Eaton and Cummins SmartAdvantage Powertrains.
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The question of how downspeeding is helping fleets save on fuel – and what's in store for the future – was the topic at a recent session at the American Trucking Associations’ Technology & Maintenance Council annual meeting.
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Dana has added a new axle ratio for the Spicer AdvanTek 40 tandem axle that helps support engine downspeeding for linehaul trucks.
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Based on today's diesel prices, a 1,000-truck fleet equipped with the 14X HE drive axle could realize $1 million per year in fuel savings, according to Meritor.
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We talk about some of the hottest trends in engineering drivetrain components-- including downspeeding and selecting axle ratios-- with Dana’s Steve Slesinski, who heads up product planning for the company's commercial-vehicle operation.
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So what were a group of truck journalists doing last week on a 75-foot sport-fishing luxury yacht? Learning about the power of integration
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