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Testing Out Dana's Dual Range Disconnect [Video]

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

Tire Pressure, Fuel Economy and GHG Regs

Tire Pressure, Fuel Economy and GHG Regs

Should tire inflation systems be part of the new federal greenhouse gas/fuel economy rules? Trucking’s track record with pressure maintenance says yes. But, uncertainty over the definition of proper inflation raises questions.

December 3, 2015

Spec’ing Charging, Starting and Battery Systems
Why Do Wheels Come Loose?

Why Do Wheels Come Loose?

Investigations into hundreds of wheel separation incidents reveals that whether it was loosened wheel fasteners or failed bearings due to improper installation or loss of lubricant, better maintenance could have prevented all but a few of the incidents.

November 24, 2015

Kenworth's Rock-Solid T880

Kenworth's Rock-Solid T880

The T880 was introduced a few years ago but in just six short months, orders for the new vocational platform overtook its worthy predecessor, the T800. In the heavy duty market, that's quite remarkable.

November 18, 2015

GHG Phase 2 Rules Don't Pass OEM Muster... Yet

GHG Phase 2 Rules Don't Pass OEM Muster... Yet

OEM comments on proposed EPA/NHTSA Phase 2 GHG regs show they’re nowhere near ready for prime time. What the agencies say in reply will speak volumes on where the rule is headed.

November 13, 2015

How Important are Balance and Alignment?
TransPower's Totally Electric Class 8 Tractor [Video]

TransPower's Totally Electric Class 8 Tractor [Video]

True zero-emissions freight transportation is closer to reality than you might think. A California-based technology company called TransPower USA has five Class 8 tractors in service now working out of the Port of Long Beach. Jim Park takes one for a drive in this Focus On... video.

October 23, 2015

QuickSpin: Spicer Dual Range Disconnect
Getting Your Cooling System Ready for Winter
Test Driving the Paccar MX-11 Engine

Test Driving the Paccar MX-11 Engine

We got a sneak preview of the MX-11 in a Kenworth T880 dump truck while at the Eaton Proving Grounds in Marshall Michigan - the one with the dirt track with grades of 20% and worse.

October 8, 2015

Mesilla Valley Transportation Swears by Its B20 Biodiesel Blend
The Downspeeding Learning Curve

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.

September 21, 2015

Tracking Lifetime Tire Costs

Tracking Lifetime Tire Costs

We offer two opposing views on tracking tire costs. One holds that life-cycle costing is a waste of money and effort, and that close enough is good enough most of the time. The other suggests that nearly all costs associated with tires should be accounted for and built into the cost structure.

September 15, 2015

SmartWay List Swells with Cheap Chinese Tires

SmartWay List Swells with Cheap Chinese Tires

A massive influx of Chinese tires, some costing $100 or less, has flooded the U.S. EPA's list of SmartWay verified tire in the past year. What does this mean for tire retailers and retreaders, fleets and even the enforcement community?

August 24, 2015