Understanding brake horsepower: Diesel engines, like all engines, are built to perform a specific function. In a locomotive, that role is to provide power to move freight cars from one place to ...

It’s almost as long as two typical diesel locomotives and produces more than 6,000 horsepower. Jeff and Lena Appenfeller of Topeka react to the world’s largest steam locomotive, Big Boy No ...

A diesel was available for the SLE and SLT Crew Cab models, driving 2WD or 4WD trucks. Along with a rating of 181 horsepower, this new Duramax engine produced a respectable 369 lb-ft of torque.