DOWNSPEED

1  -  14  of  14

February 29, 2016

Dana Offers Downspeeding Tech for SmartAdvantage

Dana Holding Corporation is offering axle ratios that are compatible with all seven configurations of the SmartAdvantage powertrain from Eaton and Cummins.

January 27, 2016

Dana Spicer Adds Parts to Support 'Downspeeding'

LAS VEGAS -- More than 150 part numbers have been added for heavy-duty Spicer AdvanTek 40-series tandem drive axles and Spicer Life Series SPL 350 driveshafts and universal joints.

December 17, 2015

Testing Out Dana's Dual Range Disconnect [Video]

First revealed at the Mid-America Trucking Show in March, Dana's Dual Range Disconnect drive axle system gives users the fuel savings of a downsped 6x2 drivetrain and the traction and performance of a conventional 6x4 setup. How's that possible you ask?

December 17, 2015

Focus On...Spicer AdvanTek 40 Dual Range Disconnect Drive Axle [VIDEO]

Equipment Editor Jim Park test drives a truck equipped with the Dana Spicer AdvanTek 40 Dual Range Disconnect Drive Axle to see how the technology provides the advatages of a 6x2 and 6x4 configuration without the drawbacks of either. 

October 29, 2015

NACFE Shows Downspeeding Good for 2-3% Fuel Savings

A new report delves into the use of downspeeding, which is becoming a popular fuel saving strategy for fleets. The concept makes use of numerically lower rear-axle ratios to lower engine rpm at vehicle cruise speed.

September 21, 2015

The Downspeeding Learning Curve

Today's "downsped" drivetrains can improve fuel economy, but high torque and low axle ratios can create all sorts of havoc with drivetrain components.

March 26, 2015

Volvo Expands XE Powertrain Lineup

Volvo Trucks expanded the XE powertrain package lineup with a super direct drive version using the I-Shift transmission. The company also expanded its Remote Diagnostics service to monitor I-Shift components as well.

February 16, 2015

Dana Delivers Web-Based Training to Clarify Downspeeding

Dana's new online course will delve into the basic principles, benefits, and challenges associated with engine downspeeding. It also provides a one-stop source for key drivetrain system knowledge, individual component specifications, literature, videos, images, service bulletins, and parts books.

January 26, 2015

Powertrain Specs: More Science Than Art

Torque is both an enabler of downspeeding and a source of concern about delivering peak torque at very low engine speed.

November 14, 2014

Test Drive: Western Star 5700XE

Western Star’s 5700XE might just be everything to everyone. It’s a big classic-styled truck with second-to-one aerodynamics.

October 17, 2014

Commentary: When Well-Intentioned Rules Have Unintended Consequences

Keep up the good work on cutting fuel use, but make sure to do your homework.

October 6, 2014

Meritor Adds Drivelines for Heavy Service Fleets

SAN DIEGO -- Meritor is adding the RPL35 and RPL35SD drivelines to its Permalube RPL family of truck drivelines designed for heavy service applications.

September 24, 2014

Engine 'Downspeeding' Can Cause Driveline Failures, TMC Attendees Told

Driveline damage from engine torque “spikes” is among the many nuts-and-bolts subjects discussed by fleet managers and supplier representatives this week at a maintenance conference in Florida.

May 16, 2014

Meritor Adds Two New Axle Ratios to Improve Fuel Efficiency

Two new axle ratios are available from Meritor, optimized to meet trucking's demand for improved fuel efficiency. Lower axle ratios promote downspeeding for optimum fuel efficiency.

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