1000/2000 Series™ are the exclusive transmissions for Navistar’s new and versatile Class 4/5 trucks With proven durability and reliability in the commercial truck segment, the Allison 1000 Series™ and 2000 Series™ are the exclusive fully automatic transmissions for the newly introduced International® CV™ Series vocational trucks. In this series the 6-speed Allison Automatics are paired […]