GEAR GUIDE/The ISX12, built for regional hauls and vocational and specialty applications, uses components of the big-bore ISX15 to offer more power and better fuel economy than its predecessor, the ISX11.9, the company says.
Most manufacturers have yet to extend change intervals, but oil seems to thrive in the new engines.
Overdrive's Most Beautiful contest is back for a second year. Submit yourself or a female truck driver you know! The first-place winner will win a trip to The Great American Trucking Show in August and will be featured in a story in Overdrive. Submissions accepted through March 20.
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