Shop used Kenworth T680 Day Cab Semi Trucks on MyLittleSalesman.com . Compare active listings with prices from $16,000 to $79,900. Sellers include AmeriQuest Used Trucks, Vander Haag's, Purple Wave Auction, and more. Filter by GVWR, number of axles, transmission, mileage, and more to find the Kenworth T680 Day Cab Truck that fits your job.