The MaxxPro (M1224) was the first vehicle produced in the International Military & Government, LLC (IMG)/ NAVISTAR series of Mine Resistant Ambush Protected (MRAP) vehicles which are based on the Workstar Model 7000 truck chassis. The vehicle is classified as a Category 1 MRAP; that classification being the smallest vehicles (by weight, size and troop capacity) of the three (3) classes of MRAP vehicles. Features that help to visually identify the Maxx Pro version are: vertical armored radiator slats, single air vents on the sides of the hood, dual air screens behind the front doors and single rear wheels.
Very soon after the MaxxPro went into action, it was quickly determined that they needed additional armor protection to defeat enemy IED attacks; most notably explosively formed penetrators. The MaxxPro vehicles were then fitted with new company designed passive applique’ armor packages developed in line with the USMC’s MRAP Expedient Armor Program (MEAP). To differentiate the uparmored vehicles from the originals, they were referred to as Maxx Pro MEAP Protected vehicles (sometimes simply as “MEAP’s”) and officially designated the M1224A1.