Western Star X-Series
Western Star 49X
Purpose-Built Toughness
Turning Mountains Into Molehills
Engineered for Class 8 vocational work, the 49X combines a severe-service frame, flexible body upfit and high-output Detroit or Cummins power. It is built for construction, quarry, logging, oilfield, heavy-haul and over-the-road applications.
Strength Where the Work Demands It
Severe-service chassis
The vocational frame supports demanding bodies and axle configurations, including available planetary axles for gross combination weights above 200,000 pounds.
Engineered for upfit
QuickFit interfaces, accessible wiring and programmable controls help Truck Equipment Manufacturers integrate dump, mixer, crane and other vocational bodies.
Safety and visibility
Detroit Assurance availability, a broad windshield, intelligent LED lighting and configurable external cameras support awareness on roads and jobsites.
Level Up Cab Life
Comfort That Works as Hard as the Truck
The 49X cab uses premium-grade aluminum with steel reinforcements, durable internally mounted hinges and an operator-focused interior. Available sleeper lengths up to 72 inches extend that comfort to over-the-road applications.
Built for the Way You Work
The 49X is engineered for Class 8 vocational work, severe-service environments, flexible body upfit, and high gross-combination-weight applications.
Construction
The 49X is built for construction sites and quarries, with a severe-service vocational frame.
Dump, Mixer and Crane
Its upfit-friendly chassis is designed for dump bodies, concrete mixers, cranes, and other equipment installations.
Logging
Logging-specific options and durable components support work in demanding off-road environments.
Heavy Haul
Available axle and Power Hood configurations support heavy-haul and other high-GCW applications.
Municipal Fleets
Snowplow PTO choices and broad vocational upfit flexibility support municipal and public-works configurations.
47X, 49X and 49X Power Hood
How the X-Series Models Compare
Choose the dimensions, visibility, cooling capacity and power range that best fit the work. Specifications shown are published by Western Star; available configurations vary.
47X
Rugged and highly maneuverable, with visibility, handling and weight savings for demanding vocational work.
- Engine displacement
- 9L to 13L
- Radiator size
- 1,400 sq. in.
- Horsepower / torque
- 260 HP / 860 lb-ft to 525 HP / 1,850 lb-ft
- Bumper to back of cab
- 111.6 in.
- Forward visibility
- Best
- Air filtration
- Excellent
- Maximum sleeper
- 48 in.
- Turning radius
- 34.0 ft. with 20-ft. body
49X
A heavy-duty platform with the components and power for the toughest jobs and most demanding conditions.
- Engine displacement
- 12L to 16L
- Radiator size
- 1,400 sq. in.
- Horsepower / torque
- 350 HP / 1,350 lb-ft to 605 HP / 2,050 lb-ft
- Bumper to back of cab
- 121.5 in.
- Forward visibility
- Very good
- Air filtration
- Best
- Maximum sleeper
- 72 in.
- Turning radius
- 35.4 ft. with 20-ft. body
49X Power Hood
A modern long-and-tall design pairing comfort and style with maximum horsepower, torque and cooling capacity.
- Engine displacement
- 15L or 16L
- Radiator size
- 1,600 sq. in.
- Horsepower / torque
- 425 HP / 1,750 lb-ft to 605 HP / 2,050 lb-ft
- Bumper to back of cab
- 121.5 in.
- Forward visibility
- Good
- Air filtration
- Very good
- Maximum sleeper
- 36, 48, 60 or 72 in.
- Turning radius
- 35.4 ft. with 20-ft. body
Review the complete X-Series comparison on Western Star’s website.
Build the 49X Around Your Work
Contact Boyd Truck Centers to match engines, axles, sleepers, safety technology and body-upfit requirements to your application.