MACK Trucks has added a new 10-speed gearbox to its line of T300 Maxitorque ES transmissions. The new T310 was shown during the Mid-America Trucking show MACK Trucks has added a new 10-speed gearbox ...

Mack has introduced a new line-up of lightweight, driver-friendly transmissions designed to maximize the performance of an all-Mack engine/transmission powertrain. The Maxitorque ES (Easy Shift) T300 ...

I’ve run several Mack trucks. My brother-in-law had a mid-1970s R model with a 300-hp Maxidyne engine and five-speed Maxitorque transmission. We called it a “purebred,” because it was built with ...

CCJ Product Evaluations are not performed by CCJ editors. They are done by a team of fleet equipment managers, chosen for their experience with the type of product being evaluated. Editors report ...