New 2026 Ram 3500 Big Horn Crew Cab 4x4 long bed with 6. 7L Cummins HO turbo diesel and 8-speed TorqueFlite HD automatic. Package 24Z; Mopar spray-in bedliner, deployable bed step, LED bed lighting, remote start, power heat/fold/telescoping mirrors, 8-way power driver seat, front and rear park assist, adaptive cruise with stop, forward collision warning, trailer brake controller, anti-spin rear axle, electric shift-on-the-fly transfer case.