GMC's huge Twin Six V12 gas engine was made to take on its diesel counterparts, powering fire trucks and farm machines, but it didn't stay on the market long.

“The Elite name means it is all Mack running gear – engine, gearbox and diffs ... “She’s just an old 1978 Kenworth K123 Slimline with a 400 Cummins and 15 overdrive,” said Wayne. “We actually bought ...

A Cummins that runs on 87-octane instead of diesel. Cummins has recently debuted a hydrogen-friendly platform for a future engine it plans to release. Here's what we know about the two.

Called the B6.7 Octane, Cummins' first gas engine is a turbocharged 6.7-liter inline-six that runs on 87-octane gasoline. Output ranges from 200 horsepower and 600 pound-feet of torque to 300 hp ...

Famous for developing and manufacturing diesel engines, Cummins has just rolled out its first gas power plant in over one hundred years. The Cummins B6.7 Octane gasoline power plant is designed to ...

Cummins engines have long been synonymous with diesel power, but for the first time in its 100-year history, the company has introduced a gasoline-powered engine. The B6.7 Octane is the company's ...

(Note that BluePrint’s press release states these crate engines make 700-plus and 800-plus hp, respectively, but BluePrint’s website rates them right on the number at 700 and 800 hp.) ...

Diesel engine firm Cummins just revealed its first gasoline-powered engine The new “B6.7” is rumoured to be destined for medium-duty Kenworth trucks Its turbo’d, runs fine on pump gas ...

The name Cummins and diesel are almost synonymous. Even before the big engine builder first partnered with Dodge to put a 5.9-liter inline-six into a Ram pickup, the company was an oil-burning icon.