L & S Truck Center in Appleton, WI features the largest selection of used trucks in the Fox Valley. Our technicians are factory-trained to repair Caterpillar, Cummins, Detroit and Mercedes engines, and Allison transmissions. We service and repair trucks, trailers, RVs, buses and limousines. We accept the following forms of payment: debit Cards, checks, cash, and most major credit cards. Financing and credit terms are also available.