DEPENDABILITY NEVER GOES OUT OF STYLE.
The entire X-Series line of trucks was built from the ground up to bring toughness into the modern age with an impressive collection of engineering, technology and more than half a century of experience building trucks that take on any challenge, anywhere. So, whether you need a rugged vocational truck or a semi truck, and whether you’ve owned Western Star for years or will for the first time, it’s time to break new ground with the 49X.
49x RESOURCES
49X ENGINES
Detroit DD15
Detroit DD16
Cummins X12
Cummins X15
49X SPECIFICATIONS
STANDARD | OPTIONS | |
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Cab |
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Interior Trim Levels – X Series Base |
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Interior Trim Levels – X-Series Premium |
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Interior Colors |
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Hood |
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Grille | Radiator-mounted steel grille with stainless steel surround | |
Air Intake | Engine mounted air intake, plus optional hood-mounted pre-cleaner deliver improved dust capacity | |
Engine | Detroit® DD15®, 400-505 HP, 1550-1850 lb-ft |
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Transmission | Detroit® DT12®-V and Detroit® DT12®-VX |
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Front Axle | Detroit® single 12,000-23,000 lbs |
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Rear Axle | Detroit® single 23,000 lbs |
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Front Suspension | Flatleaf 14,600-23,000 lbs | Taperleaf 12,000-20,000 lbs |
Rear Suspension | AirLiner® single 21,000-23,000 lbs |
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Brakes | WABCO® 4S/4M and 6S/6M Anti-lock Braking System (ABS) with and without traction enhancement | Air Disc Brakes |
Safety | Detroit Assurance® suite of safety systems including: Active Brake Assist 5, Adaptive Cruise Control to 0 MPH, Side Guard Assist, Tailgate Warning, Lane Departure Warning, Automatic Headlights/Wipers and Intelligent High Beams, Brake Hold Mode, Traffic Sign Display and Active Speed Intervention, available with Detroit® engines | WABCO® OnGuard including collision mitigation and adaptive cruise control, optional with Cummins engines |
Frame | Single-channel RBM @ 1.8-3.8MM inch-lbs |
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Fuel Tanks | Aluminum 25″ cylindrical, plain or polished |
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DEF Tank | 8-, 13- and 23-gallon (23-, 49- and 87-liter) | Standard forward mounting
Optional LH or RH aft mounting |