![Focal image](/assets/49x-focal.jpg)
Western Star 49X
Break New Ground with the All-New 49X
Introducing what isn’t just the best truck we’ve ever built, but what might be the best truck anyone has ever built. The all-new 49X 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 all-new 49X.
![Crane](/assets/application-haul.jpg)
![Crane](/assets/application-logging.jpg)
![Crane](/assets/application-dump.jpg)
![Crane](/assets/application-crane.jpg)
Western Star 49X Engines
Detroit DD15 Gen 5
![Detroit DD15 Gen 5](/assets/powertrain-dd15.png)
Backed by years of proven performance, the new Detroit DD15 Gen 5 takes efficiency, reliability and durability to the next level. Perfect for any work site operation or off-road conditions, the DD15 delivers everything you need from an engine, including greater profitability.
Horsepower | 400-505HP |
---|---|
Torque Range | 1,550-1,850lb-ft. |
Displacement | 14.8L |
Detroit DD16
![Detroit DD16](/assets/powertrain-dd16.png)
The biggest, toughest and most powerful engine Detroit has ever produced, the DD16® is the only 16-liter engine available. And since it offers the longest service intervals in the industry, it tackles your hardest jobs while increasing uptime and profitability.
Horsepower | 500-600HP |
---|---|
Torque Range | 1,850-2,050lb-ft. |
Displacement | 15.6L |
Cummins X12
![Cummins X12](/assets/powertrain-x12.png)
At just 2,050 pounds, the X12 is 600 pounds lighter than its predecessor, offering the highest power-to-weight ratio of any heavy-duty engine from 10 liters to 16 liters.
Horsepower | 350-500HP |
---|---|
Torque Range | 1,250-1,700lb-ft. |
Displacement | 11.8L |
Cummins X15
![Cummins X15](/assets/powertrain-x15.png)
With power and productivity, the Cummins X15 offers all-around performance with features like superior fuel and lube filter capacity that offer longer service intervals to optimize operational costs.
Horsepower | 400-605HP |
---|---|
Torque Range | 1,450-2,050lb-ft. |
Displacement | 14.9L |
Western Star 49X Transmissions
Detroit DT12-V
![Detroit DT12-V](/assets/powertrain-transmission-detroit.png)
Vocational Transmission
Torque | up to 2,250lb-ft. |
---|---|
GCW | 160,000lbs. |
rear pto | Yes |
side pto | Yes |
Detroit DT12-VX
![Detroit DT12-VX](/assets/powertrain-transmission-detroit.png)
Vocational Transmission
Torque | up to 2,500lb-ft. |
---|---|
GCW | 330,000lbs.* |
rear pto | Yes |
side pto | Yes |
Eaton Fuller
![Eaton Fuller](/assets/powertrain-transmission-eaton.png)
Manual Transmissions
Torque | 1,650-2,250lb-ft. |
---|---|
GCW | 170,000lbs.** |
rear pto | Yes |
side pto | Yes |
Allison
![Allison](/assets/powertrain-transmission-allison.png)
Transmissions
Torque | 1,650-1,850lb-ft. |
---|---|
GCW | 170,000lbs.** |
rear pto | Yes |
side pto | Yes |
*Application approval required over 160,000 lbs.
**Application approval required over 170,000 lbs