2026 Western Star 47X Set back axle Cab Chassis powered by Detroit Diesel DD13 525 Hp 1850 LBFT torque engine full engine brake, Detroit DT12-1850 OV vocational spec automated transmission 20000 lb front axle with disc brakes, 46000 lb rear axles with full lockers 3.73 ratio 46000 lb air suspension with chain clearance, 425/65r22.5 steer tires and 11r24.5 drive tires on aluminum wheels, 277" wheelbase 13mm single frame, 13 gallon DEF tank 80 gallon fuel tank, Power heated mirrors, power windows and locks, 7" touch screen radio with SXM