DEPENDABILITY NEVER GOES OUT OF STYLE.

The Western Star 4900 not only delivers classic looks, it delivers legendary performance. Whether on the highway or in remote forests or mines, you can count on the 4900 day in and day out. And with our ability to deliver purpose-built trucks, a short talk with your dealer is the first step to getting the one you need. Guess customer service never goes out of style either.

4900 RESOURCES

4900 ENGINES

Detroit DD13

Detroit DD15

Detroit DD16

Cummins X15

4900 SPECIFICATIONS

STANDARD OPTIONS AWD PACKAGE
BBC 123″
Wheelbase Up to 448″
BA 50″
Configuration 4×2, 6×4 4×4, 6×6
Engine Detroit DD13, 12.8L (350-470 hp 1250-1650 lb-ft) Detroit DD16, 15.6L, (475-600 hp 1850-2050 lb-ft)
Detroit DD15, 14.8L, (400-505 hp 1550-1750 lb-ft)
Cummins ISX15, 15.0L, (400-600 hp 1450-2050 lb-ft)
Detroit DD15, 14.8L, (400-505 hp 1550-1750 lb-ft)
Transmission Eaton Fuller FR-13210B (10, 11, 13, 15 and 18-speed) Eaton Fuller UltraShift PLUS
Allison Automatic 4000, 4500, 4700
Allison Automatic 4000, 4500, 4700
Cab Type Standard with roped in windshield Severe Duty with bonded windshield Severe Duty with two-piece bonded windshield
Cab Interior Obsidian Black Trim w/ Grey Upholstery Grey Trim w/ Maple Leaf Red Upholstery
Grey Trim w/ Smoky Mountain Gray Upholstery
Tan Trim w/ Prairie Buckskin Upholstery
Hood Three-piece butterfly hood
Front Axle Detroit single 12,000-20,000 lbs Hendrickson single 12,500 lbs
Meritor single 12,000-23,000 lbs
Single 22,000 lbs
Rear Axle Detroit tandem 40,000-46,000 lbs Meritor single 23,000 lbs
Meritor tandem 40,000-70,000 lbs
Meritor tridem 69,000-77,000 lbs
Sisu tandem 70,000 lbs
Sisu tridem 105,600 lbs
Front Suspension Taperleaf 12,000-20,000 lbs. Flatleaf 14,600-23,000 lbs. Flatleaf 17,500, 21,500 and 23,000 lbs
Rear Suspension AirLiner 23,000-69,000 lbs Hendrickson 40,000-65,000 lbs
Chalmers 46,000-52,000 lbs
Neway 46,000-78,000 lbs
Reyco 23,000 lbs
TufTrac 40,000-52,000 lbs
Single or tandem, 23,000-58,000 lbs
Brakes WABCO 4S/4M and 6S/6M Anti-lock Braking System (ABS) with and without traction enhancement
Safety Roll stability control
Frame Single-channel @ 2.5 million RBM Double-channel @ 3.2 million RBM and 4.5 million RBM
Triple-channel @ 5.6 million RBM
Partial frame liners available for increased RBM in specific areas. See dealer for details.
Fuel Tanks Aluminum 25″ cylindrical 60-150 gallon (227-567 liter) – RH or LH Aluminum 23″ cylindrical 50 to 150 gallon (189-567 liter) – RH or LH
Combination fuel/hydraulic tanks available in various sizes
DEF Tank 6, 13, 23 gallon (23, 49, 87 liter)

STANDARD OPTIONS
BBC 123″
Wheelbase Up to 448″
BA 33″
Configuration 4×2, 6×4
Engine Detroit DD13, 12.8L (350-470 hp 1250-1650 lb-ft) Detroit DD15, 14.8L, (400-505 hp 1550-1750 lb-ft)
Detroit DD16, 15.6L, (475-600 hp 1850-2050 lb-ft)
Cummins ISX15, 15.0L, (400-600 hp 1450-2050 lb-ft)
Transmission Eaton Fuller FR-13210B (7, 10, 11, 13, 15 and 18-speed) Eaton Fuller UltraShift PLUS
Allison Automatic 4000, 4500, 4700
Cab Type Standard with roped in windshield Severe Duty with bonded windshield
Cab Interior Obsidian Black Trim w/ Grey Upholstery Grey Trim w/ Maple Leaf Red Upholstery
Grey Trim w/ Smoky Mountain Gray Upholstery
Tan Trim w/ Prairie Buckskin Upholstery
Hood Fiberglass Traditional Non-Sloping Hood
Front Axle Detroit single 12,000-20,000 lbs Hendrickson single 12,500 lbs
Meritor single 12,000-23,000 lbs
Rear Axle Detroit tandem 40,000-46,000 lbs Meritor single 23,000 lbs
Meritor tandem 40,000-70,000 lbs
Meritor tridem 69,000-77,000 lbs
Sisu tandem 70,000 lbs
Sisu tridem 105,600 lbs
Front Suspension Taperleaf 12,000-20,000 lbs. Flatleaf 14,600-23,000 lbs.
Rear Suspension AirLiner 23,000-69,000 lbs Hendrickson 40,000-65,000 lbs
Chalmers 46,000-52,000 lbs
Neway 46,000-78,000 lbs
Reyco 23,000 lbs
TufTrac 40,000-52,000 lbs
Brakes WABCO 4S/4M and 6S/6M Anti-lock Braking System (ABS) with and without traction enhancement
Safety Roll stability control
Frame Single-channel @ 2.5 million RBM Double-channel @ 3.2 million RBM and 4.5 million RBM
Triple-channel @ 5.6 million RBM
Partial frame liners available for increased RBM in specific areas. See dealer for details.
Fuel Tanks Aluminum 25″ cylindrical 60-150 gallon (227-567 liter) – RH or LH Aluminum 23″ cylindrical 50 to 150 gallon (189-567 liter) – RH or LH
Combination fuel/hydraulic tanks available in various sizes
DEF Tank 6, 13, 23 gallon (23, 49, 87 liter)

STANDARD OPTIONS
BBC 132″
Wheelbase Up to 448″
BA 33″
Configuration 4×2, 6×4
Engine Detroit DD13, 12.8L (350-470 hp 1250-1650 lb-ft) Detroit DD15, 14.8L, (400-505 hp 1550-1750 lb-ft)
Detroit DD16, 15.6L, (475-600 hp 1850-2050 lb-ft)
Cummins ISX15, 15.0L, (400-600 hp 1450-2050 lb-ft)
Transmission Eaton Fuller FR-13210B (7, 10, 11, 13, 15 and 18-speed) Eaton Fuller UltraShift PLUS
Allison Automatic 4000, 4500, 4700
Cab Type Standard with roped in windshield Severe Duty with bonded windshield
Cab Interior Obsidian Black Trim w/ Grey Upholstery Grey Trim w/ Maple Leaf Red Upholstery
Grey Trim w/ Smoky Mountain Gray Upholstery
Tan Trim w/ Prairie Buckskin Upholstery
Hood Fiberglass Traditional Non-Sloping Hood
Front Axle Detroit single 12,000-20,000 lbs Hendrickson single 12,500 lbs
Meritor single 12,000-23,000 lbs
Rear Axle Detroit tandem 40,000-46,000 lbs Meritor single 23,000 lbs
Meritor tandem 40,000-70,000 lbs
Meritor tridem 69,000-77,000 lbs
Sisu tandem 70,000 lbs
Sisu tridem 105,600 lbs
Front Suspension Taperleaf 12,000-20,000 lbs. Flatleaf 14,600-23,000 lbs.
Rear Suspension AirLiner 23,000-69,000 lbs Hendrickson 40,000-65,000 lbs
Chalmers 46,000-52,000 lbs
Neway 46,000-78,000 lbs
Reyco 23,000 lbs
TufTrac 40,000-52,000 lbs
Brakes WABCO 4S/4M and 6S/6M Anti-lock Braking System (ABS) with and without traction enhancement
Safety Roll stability control
Frame Single-channel @ 2.5 million RBM Double-channel @ 3.2 million RBM and 4.5 million RBM
Triple-channel @ 5.6 million RBM
Partial frame liners available for increased RBM in specific areas. See dealer for details.
Fuel Tanks Aluminum 25″ cylindrical 60-150 gallon (227-567 liter) – RH or LH Aluminum 23″ cylindrical 50 to 150 gallon (189-567 liter) – RH or LH
Combination fuel/hydraulic tanks available in various sizes
DEF Tank 6, 13, 23 gallon (23, 49, 87 liter)

STANDARD OPTIONS
BBC 123″
Wheelbase Up to 448″
BA 50″
TAS 72″
Configuration 8×4
Engine Detroit DD15, 14.8L, (400-505 hp 1550-1750 lb-ft) Detroit DD16, 15.6L, (475-600 hp 1850-2050 lb-ft)
Cummins ISX15, 15.0L, (400-600 hp 1450-2050 lb-ft)
Transmission Eaton Fuller Manual Allison Automatic
Cab Type Severe Duty with bonded windshield
Cab Interior Obsidian Black Trim w/ Grey Upholstery Grey Trim w/ Maple Leaf Red Upholstery
Grey Trim w/ Smoky Mountain Gray Upholstery
Tan Trim w/ Prairie Buckskin Upholstery
Hood Fiberglass Traditional Non-Sloping Hood
Exhaust RH outboard frame-mounted vertical RH mid-chassis-mounted horizontal
Steering Dual main gears with dual ram assist
Front Axle Tandem 40,000-44,000 lbs
Rear Axle Tandem 46,000-70,000 lbs Tridem 69,000 lbs
Front Suspension Slippered 36,000, 40,000 and 44,000 lbs
Rear Suspension Tandem 46,000-65,000 lbs Tridem Air Ride 69,000 lbs
Brakes WABCO 4S/4M and 6S/6M Anti-lock Braking System (ABS) with and without traction enhancement
Frame Double-channel @ 3.2 million RBM and 4.5 million RBM
Fuel Tanks Aluminum 25″ cylindrical 60-150 gallon (227-567 liter) – RH or LH
DEF Tank 23 gallons (87 liters)

STANDARD OPTIONS AWD PACKAGE
BBC 123″
Wheelbase Up to 448″
BA 50″
Configuration 4×2, 6×4 4×4, 6×6
Engine Detroit DD13, 12.8L (350-470 hp 1250-1650 lb-ft) Detroit DD16, 15.6L, (475-600 hp 1850-2050 lb-ft)
Detroit DD15, 14.8L, (400-505 hp 1550-1750 lb-ft)
Cummins ISX15, 15.0L, (400-600 hp 1450-2050 lb-ft)
Detroit DD15, 14.8L, (400-505 hp 1550-1750 lb-ft)
Transmission Eaton Fuller FR-13210B (10, 11, 13, 15 and 18-speed) Eaton Fuller UltraShift PLUS
Allison Automatic 4000, 4500, 4700
Allison Automatic 4000, 4500, 4700
Cab Type Standard with roped in windshield Severe Duty with bonded windshield Severe Duty with two-piece bonded windshield
Cab Interior Obsidian Black Trim w/ Grey Upholstery Grey Trim w/ Maple Leaf Red Upholstery
Grey Trim w/ Smoky Mountain Gray Upholstery
Tan Trim w/ Prairie Buckskin Upholstery
Hood Three-piece butterfly hood
Front Axle Detroit single 12,000-20,000 lbs Hendrickson single 12,500 lbs
Meritor single 12,000-23,000 lbs
Single 22,000 lbs
Rear Axle Detroit tandem 40,000-46,000 lbs Meritor single 23,000 lbs
Meritor tandem 40,000-70,000 lbs
Meritor tridem 69,000-77,000 lbs
Sisu tandem 70,000 lbs
Sisu tridem 105,600 lbs
Front Suspension Taperleaf 12,000-20,000 lbs. Flatleaf 14,600-23,000 lbs. Flatleaf 17,500, 21,500 and 23,000 lbs
Rear Suspension AirLiner 23,000-69,000 lbs Hendrickson 40,000-65,000 lbs
Chalmers 46,000-52,000 lbs
Neway 46,000-78,000 lbs
Reyco 23,000 lbs
TufTrac 40,000-52,000 lbs
Single or tandem, 23,000-58,000 lbs
Brakes WABCO 4S/4M and 6S/6M Anti-lock Braking System (ABS) with and without traction enhancement
Safety Roll stability control
Frame Single-channel @ 2.5 million RBM Double-channel @ 3.2 million RBM and 4.5 million RBM
Triple-channel @ 5.6 million RBM
Partial frame liners available for increased RBM in specific areas. See dealer for details.
Fuel Tanks Aluminum 25″ cylindrical 60-150 gallon (227-567 liter) – RH or LH Aluminum 23″ cylindrical 50 to 150 gallon (189-567 liter) – RH or LH
Combination fuel/hydraulic tanks available in various sizes
DEF Tank 6, 13, 23 gallon (23, 49, 87 liter)

4900 SLEEPERS & INTERIORS

STRETCH YOUR LEGS WITHOUT EVER STEPPING OUTSIDE.

While most interiors out there feature sleepers that seem little more than afterthoughts, Western Star’s all-new interior is planned with comfort, space and storage to spare. With four sleeper models, five roof heights and a high-quality walkthrough design, you can outfit your truck exactly how you want. Add to that a variety of ugraded material and color options and you have the kind of workplace you’ve always wanted. After all, it’s your truck. It should fit you, not the other way around.

4900 SEAT FABRIC

Vinyl

Mordura

Ultra Leather

4900 DIMENSIONS

SLEEPER DIMENSIONS

34″

40″

54″

68″

82″

ROOF OPTIONS

Low Roof

Form meets function in the Low Roof with 40″, 54″ and 68″ options. Perfect if you’re looking for sleek style without sacrificing comfort.

Stratosphere High Roof

Available in 34″, 40″, 54″, 68″ and 82″, the Stratosphere High Roof is a testament to versatility and comfort.

Stratosphere Ultra High Roof

Add an extra 14″ to an original 82″ Stratosphere High Roof and what do you get? Space. Lots of it. 26 extra cubic feet, to be exact.