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Articlesby Jim ParkJanuary 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.

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Articlesby Jim ParkNovember 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.

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Articlesby Deborah LockridgeOctober 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.

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ProductsOctober 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.

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Newsby Tom BergSeptember 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.

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ProductsMay 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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