Workhorse / Navistar Legacy – Warranty & EPC - VINs starting with 5B4 & 5T4 – Dealers Only Workhorse / Navistar Legacy – Product Info & FAQ – VINs starting with 5B4 & 5T4, built 1998 thru 2012

RESEARCH + FACILITIES + LEADERSHIP + SKILLED WORKFORCE = INDUSTRY LEADING CHASSIS

The combination of a first-class research and design program coupled with an efficient assembly operation along with the capability of powering our chassis with engines fueled by gasoline, propane, CNG, or our innovative all-electric drive train makes AMP Trucks a leader in the medium-duty, commercial grade strip chassis market.