Jack Roberts

Lean and mean vs. big and tough: Is a 13- or 15-liter engine best for you?

The leading heavy-duty engine sizes differ by only two liters, and one now dominates the market. Make sure you’re powered by the best fit for your operation.

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It never hurts to ask

I’m going to give you three quick lessons today. Two of them won’t apply to most of you. One of them pretty much applies to all of us I’ve had horrible skin my whole life. I’ll spare you a list of all the weird crap that’s gone wrong over the years. But eczema was – for years and years and years – the worst one. Eczema’s not contagious. But it is miserable. It’s basically dry skin. And ...

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15L engines more fuel efficient than ever

Engine makers understand that bigger engines still fit many applications, which is why all continue to offer – and improve upon – larger-liter designs.

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13-liter vs. 15-liter: Which is right for you? Part 1

The leading heavy-duty engine sizes differ by only two liters, and one now dominates the market. Make sure you’re powered by the best fit for your operation.

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Heavy-duty dream machines

If you’re not already familiar with the Blastolene Brothers, there’s a good chance you’ve seen their work: Jay Leno famously purchased – and occasionally drives – one of their designs, the “Blastolene Special,” an extra-large roadster powered by an engine cribbed from a 1950s-vintage U.S. Army Patton tank. The Blastolene Brothers aren’t brothers and they aren’t engineers. In fact, they don’t even live in the same state. Yet their artistic collaboration is redefining the concept of ...

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Rising star: Western Star 4700SF proves itself in the desert

Western Star built its legacy on the unlikely pairing of bare-knuckle toughness and champagne-sipping elegance.

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Is EGR doomed?

I spend a lot of time on airplanes. But sometimes, we get visitors here in our our Tuscaloosa, Ala., headquarters. Such was the case last week when representatives from Chevron Lubricants came calling. The gist of the presentation CCJ and Overdrive editors attended was on PC-11 – the new oil category shaping up for the eventual Greenhouse Gas Emissions Regulations (GHG) that will take affect in 2017. But lost in that conversation was a little nugget of ...

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Technology creep

To a large extent, both CCJ and Overdrive magazines focus on technology. CCJ, in particular, started out as a technology/business magazine way back in 1911 with the premise of telling people how the could use a new technological marvel – the motor car – to haul goods and make money. The pace of technology is often uneven. Historically, technology’s two prime drivers have been war and capitalism; although I think today we can add “government” to ...

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Path of least resistance: Aero trailers gaining traction

With much of the tractor aero gains already carved out from years of wind-tunnel testing and refined engineering, attention now has swung to trailers.

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Staying in the race

When you mention trucks sto somebody outside of this industry, the first image that usually comes to their minds is a “Mack Truck;” a big, primitive, lumbering, decidedly low-tech brute of a machine that lasts for years before finally, falling apart in a noisy cloud of rust and soot. That’s not reality, though, is it?

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