The Navistar 7000 series is a line of military heavy lift vehicles based on Navistar International's WorkStar truck chassis, and produced by Navistar Defense. The truck is available in a variety of wheel (4×2, 4×4, 6×4, and 6×6) and engine configurations. In 2005, the US Army ordered 2,900 7000-MV Series for the Afghan National Army and Iraqi Ministry of Defense and an additional order of 7,000 was added in 2008.