LENZ TRUCK CENTER is proud to serve our customers around the Fond du Lac area and worldwide as your certified used truck dealer. At Lenz Truck Center we strive to provide automotive products and services of unmatched quality. We are voted as the best place to buy used trucks year-after-year. Lenz Truck Center, your certified used truck dealer, serving the Fond du Lac area. Whether you're shopping for a used truck, looking for parts and accessories, or need to have your vehicle serviced, you'll find what you need at Lenz Truck Center.