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 ...

The company has been in the business for over one hundred years without rolling out a single gasoline engine but a ton of iconic diesels. At some point, the Cummins N Series engines became the ...