Cummins

By Heather Burlingame, Senior Production Editor | September 28, 2010

The ISX 385 ST SmartTorque engine offers 1,450/1,550 lb.-ft. of torque. Designed for fleets in need of a higher displacement engine option for applications that do not require an engine brake, it delivers an extra 100 lb.-ft. of torque in the top two gears automatically. The engine limits downshifts on the open road. It comes with the Cummins Uptime Guarantee: If any part of the engine fails and can't be repaired within 24 hours, Cummins will pay for the repairs and provide a rental vehicle for up to three days—at no cost.

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