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US diesel $4.049 per gallonWeek ending Aug 17, 2026 · EIA
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Kenworth T880

Kenworth2013 to presentVocational and heavy haul

The vocational counterpart to the T680: heavier frame, bigger cooling package, and specification options for dump, mixer, logging and heavy haul.

Fuel economy

4.8-6.5 mpg

loaded, at highway speed

Fuel per mile

$0.717

at $4.049 a gallon

Tractor weight

19,000-24,000

pounds, day cab to large sleeper

Used asking

$55k-$165k

condition moves this more than the model

What the fuel gap costs

Against the most efficient tractor in this reference, over 120,000 miles at this week’s diesel price.

$27,457 a year

Known issues

Judged by its specification rather than its model. A badly spec'd vocational truck is a bad truck regardless of the badge on it.

Verdict

Right for weight and off-pavement work. Buying one for linehaul because it looks tougher is an expensive mistake.