Big Kenworth T680 Next Gen   2022 Kenworth T680 Next Gen highway truck 76′ sleeper Dual Bunks with Cummins X15 550hp, 13-speed transmission RTLO-16913A, rear axle ratio 336, 13200 front axle and 40000 rear axles, AG 400 air suspension, air slide fifth wheel, aluminum wheels, 230 wheelbase, dual 120 Gallons Aluminum tanks.