New 2026 Ram 3500 Big Horn Dually Crew Cab 4x4 long box with the 6. 7L Cummins HO turbo diesel and 8-speed TorqueFlite HD automatic. Big Horn Level 2 Equipment Group; heated front seats and steering wheel, remote start, backup camera, 9 Alpine speakers with subwoofer, blind spot monitoring, adaptive cruise control, power heated/folding/telescoping mirrors, 400W inverter, and rear power sliding window.