2026 Western Star 57X Sleeper Semi Truck

*2026 Western Star 57X Sleeper -- Detroit DD15 505 HP -- DT12 Overdrive -- 239 WB**Powertrain** Detroit DD15 14.8L -- 505 HP / 1650 lb-ft* Detroit DT12 Overdrive Automated Manual Transmission* Dual 120-Gallon Fuel Tanks + 23-Gallon DEF Tank* Detroit Fuel/Water Separator w/ 12V Pre-Heater*Axles / Suspension / Dimensions** 13,300 lb Front Suspension* 40,000 lb Rear Suspension -- Tandem -- 3.08 Ratio* 239 Wheelbase*Sleeper / Cab** 72 Raised Roof Sleeper* Murphy Bed, Dinette* Foldable Upper Bunk* ESPAR HS3 Heater* Auxiliary HVAC w/ Constant Temperature Control* Bergstrom Backwall-Mounted Parked A/C Condenser* Built-In Refrigerator; Microwave Shelf w/ Upper Storage* Elite 2.0 High-Back Air-Suspension Driver Seat* Premium 2.0 High-Back Air-Suspension Passenger Seat*Interior / Technology** Black Exterior* Laredo Leather Seats* Quarry Gray Vinyl Up-Level Interior* 7 Interactive Touchscreen AM/FM/WB Radio -- SiriusXM, Bluetooth, Apple CarPlay & Android Auto* USB & AUX Inputs, (2) 12V Outlets* A/C, Heater & Defroster*Additional Features** Heated Power Mirrors + Heated Fender/Hood-Mounted Mirrors* Black-Painted Aluminum Front & Rear Wheels* Fontaine No-Slack 6000 Series 24 Air-Slide Fifth Wheel* Remote Keyless Entry* LED Stop/Tail Lights with Backup Lights on Stainless Plate* Driver's Lounge; Murphy Bed w/ Foldable Seats & Table* AC 120V Cab Wiring & AC Outlet -- Inverter Pre-Wire (Shorepower Only)* Flat-Screen TV Mount w/ Antenna