TREMEC provides a comprehensive line of commercial transmissions and components for line haul and vocational vehicles.These transmissions are designed to provide optimal durability, ease of shifting and low ownership costs.

Synchronized medium-duty transmissions are ideally suited for general purpose, city and highway delivery operations. These robust, easy-to-maintain transmissions feature a modular, end-load case design and positive gear engagement with the patented  OPTI-RAIL™ shift rail system.

Medium & Heavy Duty Truck Transmissions