The company says the non-corrosive exterior of the 35 Ton JFB, made of weather-tight and impact-resistant polypropylene, comes with a limited lifetime warranty on the body.Jerr-Dan Corporation is releasing a new design for a wrecker. The non-corrosive exterior of the 35 Ton JFB, made of weather-tight and impact-resistant polypropylene, comes with a limited lifetime warranty on the body.read more