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Part of the X-Series, the 49X isn’t just one of the best trucks Western Star has ever built, it’s one of the best trucks anyone has ever built. Winner of the highly-prestigious Truck of The Year Australasia (ToYA) award for 2024, the award winning X-series are the most-tested Western Stars ever, designed from the ground up without compromising the serious durability for which Stars are renowned.


HEAVY DUTY FRAME – Steel-reinforced aluminium cab with steel door. Various sleeper options; Day cab – trench or standard. Sleeper – 60″ & 72″ mid integrated, 72″ stratosphere

FIELD OF VISION – Delivers a superior field of vision thanks to a surface area that’s 28% larger than our previous product offering, making it one of the largest windshields in its class. With 24-inch wiper blades that cross over the centre glass for 37% improved wiper zone

ONE-PIECE WINDSHIELD – One-piece, roped-in design enhances the field of vision with an unobstructed view. Optional single or high-visibility three-piece rear window

IMPACT RESISTANCE – Optional TufGlass impact-resistant windshield is 2.5x more resistant to damage, reducing repair costs, and downtime

SOLAR TINTED GLASS – Standard solar tinted glass reduces heat in the cab, improving operator comfort


• Impact-resistant, durable, lightweight moulded resin hood with sloped high-visibility design

• Stainless steel and aluminium bright works, including grille with pronounced centre bars, air intake covers, mirror back covers, and sun visor plate

• ISO Tech bonnet suspension system

• 121.5″ BBC


The best headlights Western Star has ever produced, the dual stage intelligent LED headlights are designed to last the lifetime of the truck, with no bulbs needed to be replaced ever. Plus, they deliver superior visibility and improved safety with:

• Integrated white daytime running lights to make the truck more visible to oncoming traffic and on the job site 

• LED output designed to fully illuminate the road and job site, including off to the sides of the vehicle, to reduce eye fatigue while letting drivers detect objects sooner 

• High-impact polycarbonate lenses with additional hard coating protection to prevent cracking, scratching, or damage to the headlight from road or job site debris



Active Brake Assist 5

Active Brake Assist 5 (ABA 5) detects distance and speed to moving and stationary objects in its path and determines if braking is necessary. It’s the only system on the market that works down to 8 km/h, making it ideal for travel in congested urban areas. It also recognises pedestrians who are about to cross in the truck’s path, alerting the driver while partially braking, followed by full braking if the driver does not react. The market-leading ABA 5 has fused a camera and radar, which is cutting-edge technology.


Detroit Assurance enables state-of-the-art features that make a driver’s workday safer and more comfortable than ever before. And on the job site, brake hold mode keeps a truck stopped when the driver removes their foot from the brake pedal, or if their foot unintentionally slips off.


A game changer for safety in and around busy jobsites, Side Guard Assist detects objects on the passenger side of the truck and alerts the operator.

DD16 GHG21
  • POWER:
    500 – 600 hp
    1,850 - 2,050 LB-FT

Frequently Asked Questions

What is the 49X designed for?

The Western Star 49X is the toughest of the tough, built to deliver dependability and safety for road train, livestock, bulk haul, logging or general freight operations.

The 49X has up to 200+ tonnes GCM capability and is available with multiple cabin options including the class-leading 72″ Stratosphere sleeper cab making it the ultimate home away from home. 

Technology gets tough in the 49X, the first Western Star to feature the most advanced suite of active safety systems ever  offered to the vocational market. The 49X is the ideal truck for warm weather, with the ‘Power Bonnet’ design giving more airflow and reducing risk of damage.

What transmission options are available for the 49X?

The 49X is available with the Detroit DT12-OV and DT12-OVX automated manual transmissions, and the Eaton Fuller manual transmission. To specify the exact transmission you need, see your nearest Western Star dealer.

What GCM is the 49X?

The toughest of the tough, the 49X has up to 200+ tonnes GCM capability depending on your chosen transmission.

What axle configurations are available for the 49X?

The 49X is available in 6×4 and 8×6 configurations.

Which cabs are available in the 49X?

The 49X has a variety of available cabs, including day cabs (trench and standard) and sleeper cabs including 60”and 72” mid integrated. The 49X also boasts the class leading 72″ Stratosphere cab, the ultimate home away from home.

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