downspeeding

Eaton, Cummins unveil new powertrain package

| March 10, 2013

The companies estimate their new powertrain package -- combining the ISX15 and Eaton's Advantage Series automated series transmission -- will deliver 3-6 percent fuel economy improvements.

Vocational spec’ing: With downspeeding trend, keep close eye on torque/hp combo

| February 26, 2013

In the past, heavy duty vocational trucks may have been spec'd with 550 hp and 1,950 lb.-ft. of torque to get the load rolling. Today, 470-hp engines with 1,850 lb.-ft. torque can do the job.

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