Western Star 18 Speed Trucks For Sale

Your Current Search
Industry
Trucks
Manufacturer
Western Star
Transmission Speeds
18 Speed
Market Type
Click the to remove the filter.
Narrow Your Search
Keyword Search
Search within the selected criteria
Equipment Type
Trucks (41)
Make
Western Star (41)
Model
Select a category to view all available models.
Condition
Model Year
-
GVWR Category
Heavy Duty (37)
Transmission Type
Transmission Speed
18 Speed (41)
Drive Train
Suspension Type
Cab Style
Fuel Type
Diesel (36)
Mileage
-
Horsepower
-
Price
-
Country
State / Region
Select a country to view available states.
Market Type

Showing 1 - 25 of 41 Listings

1 - 25 of 41 listings
1 - 25 of 41 listings
Featured Item
Western Star 4900 Sleeper Semi Truck - Flat Top Sleeper, Detroit 550HP, 18 Speed Manual

2016 Western Star 4900 Sleeper Semi Truck - Flat Top Sleeper, Detroit 550HP, 18 Speed Manual

Recently Updated
$49,950 USD
FOR SALE — 2016 Western Star 4900 Sleeper Big horsepower. 18-speed manual. Built to work. This 2016 Western Star 4900 is powered by the legendary Detroit DD16 rated at 550 HP and paired with...
ConditionUsed
Usage595,684 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power550 HP
Engine ModelDetroit DD16
Drivetrain6x4
Transmission18 Speed Manual
Sleeper TypeFlat Top Sleeper
SuspensionAir Ride
Rear AxleTandem Axle
Rear End46,000 lb 3.73 ratio
Stock NumberCO11339
MLS Number14360271
CategorySleeper Semi Trucks
Last Updated5/22/2026
Location
Commerce City, CO, US
Sold By
Michelle Sells Trucks
Featured Item
Western Star 4900 Tri Axle Day Cab Truck - Cummins 550HP, 18 Speed Manual

2012 Western Star 4900 Tri Axle Day Cab Truck - Cummins 550HP, 18 Speed Manual

Recently Updated
$84,950 USD
FOR SALE — Western Star 4900 Heavy-duty, low-mileage, and built to perform — this 2012 Western Star 4900 is ready for serious work. Powered by a strong 550 HP Cummins ISX and paired with an...
ConditionUsed
Usage189,371 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power550 HP
Engine ModelCummins ISX
Drivetrain8x4
Transmission18 Speed Manual
Rear AxleTri Axle
Rear End46,000 lb
Stock NumberCO11341
MLS Number14360225
CategoryDay Cab Semi Trucks
Last Updated5/22/2026
Location
Commerce City, CO, US
Sold By
Michelle Sells Trucks
Western Star 4900 Sleeper Semi Truck - Flat Top Sleeper, Detroit 550HP, 18 Speed Manual

2016 Western Star 4900 Sleeper Semi Truck - Flat Top Sleeper, Detroit 550HP, 18 Speed Manual

Recently Updated
$49,950 USD
FOR SALE — 2016 Western Star 4900 Sleeper Big horsepower. 18-speed manual. Built to work. This 2016 Western Star 4900 is powered by the legendary Detroit DD16 rated at 550 HP and paired with...
ConditionUsed
Usage16,209 Hours
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power550 HP
Engine ModelDetroit DD16
Drivetrain6x4
Transmission18 Speed Manual
Sleeper TypeFlat Top Sleeper
SuspensionAir Ride
Rear AxleTandem Axle
Rear End46,000 lb 3.73 ratio
Stock NumberCO11339
MLS Number14356384
CategorySleeper Semi Trucks
Last Updated5/22/2026
Location
Kansas City, MO, US
Sold By
Michelle Sells Trucks
Western Star 4800 8x4 Crane Truck

2013 Western Star 4800 8x4 Crane Truck

Newly Listed
$125,000 USD
FOR SALE! A USED 2013 Quad PM 85 SP Boom Truck. This unit includes a Detroit D13 12.8L engine, and a Fuller RTLOF-16918B 18 transmission. Additional inspection observations included: Air...
ConditionUsed
Usage47,591 Miles
Horse Power0 HP
Engine ModelDetroit D13 12.8L
Transmission18 Speed
SuspensionChalmers
Rear End46,000 lb
Stock NumberDPBY0842
MLS Number14385544
CategoryCrane Trucks
Last Updated5/22/2026
Location
Syracuse, NY, US
Sold By
Custom Truck One Source
Western Star 4900EX Day Cab Truck - Detroit 600HP, 18 Speed Manual

2022 Western Star 4900EX Day Cab Truck - Detroit 600HP, 18 Speed Manual

Price Drop $107,500 USD
2022 Western Star 4900EX, 600hp Detroit DD16, 18spd Manual Transmission, Full lockers, Air ride suspension, Nationwide Delivery Available
ConditionUsed
Usage249,342 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power600 HP
Engine ModelDetroit DD16
Drivetrain6x4
Transmission18 Speed Manual
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.90 ratio
Stock Number8457
MLS Number14250661
CategoryDay Cab Semi Trucks
Last Updated5/21/2026
Location
Sawyer, KS, US
Sold By
The Wrays, LLC
Western Star 4900 Tri Axle Day Cab Truck - Cummins 550HP, 18 Speed Manual

2012 Western Star 4900 Tri Axle Day Cab Truck - Cummins 550HP, 18 Speed Manual

Recently Updated
$84,950 USD
FOR SALE — Western Star 4900 Heavy-duty, low-mileage, and built to perform — this 2012 Western Star 4900 is ready for serious work. Powered by a strong 550 HP Cummins ISX and paired with an...
ConditionUsed
Usage189,371 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power550 HP
Engine ModelCummins ISX
Drivetrain8x4
Transmission18 Speed Manual
Rear AxleTri Axle
Rear End46,000 lb
Stock NumberCO11341
MLS Number14360272
CategoryDay Cab Semi Trucks
Last Updated5/22/2026
Location
Kansas City, MO, US
Sold By
Michelle Sells Trucks
Western Star 4900 Tri Axle Sleeper Semi Truck - 36" Flat Top Sleeper, Detroit 500HP, 18 Speed Manual

2012 Western Star 4900 Tri Axle Sleeper Semi Truck - 36" Flat Top Sleeper, Detroit 500HP, 18 Speed Manual

$59,900 USD
2012 Western Star 4900, 65,250 miles, 5830 hours, DD15 Detroit 505hp, Eaton 18 speed, 16K front axle, 46K rears, 13,200 lift axle, full lockers, airliner susp, eng brake, cruise, polished...
ConditionUsed
Usage65,250 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power500 HP
Engine ModelDetroit DD15
Drivetrain8x4
Transmission18 Speed Manual
Sleeper TypeFlat Top Sleeper
Sleeper Size36"
SuspensionAirLiner
Rear AxleTri Axle
Rear End49,632 lb 4.30 ratio
MLS Number14269182
CategorySleeper Semi Trucks
Last Updated5/15/2026
Location
WINGER, MN, US
Sold By
Lucken Trucks and Parts
Western Star 4900 Tri Axle Roll Off Truck - Detroit, 500HP, 18 Speed Manual

2012 Western Star 4900 Tri Axle Roll Off Truck - Detroit, 500HP, 18 Speed Manual

$114,900 USD
2012 Western Star 4900 roll off truck, only 58K miles, 50,000lb hyd. hook, DD15 Detroit, 500 hp, Eaton 18 speed manual, full lockers, 4.30 ratio,16K front, 46K drivers, 12K steerable pusher,...
ConditionUsed
Usage5,813 Hours
Duty ClassHeavy Duty Roll Off Truck
Horse Power500 HP
Engine ModelDetroit DD15
Drivetrain8x4
Transmission18 Speed Manual
SuspensionAirLiner
Rear AxleTri Axle
Rear End46,000 lb 4.30 ratio
MLS Number14080384
CategoryRoll Off Trucks
Last Updated5/14/2026
Location
WINGER, MN, US
Sold By
Lucken Trucks and Parts
Western Star 49X Sleeper Semi Truck - 35" Mid Roof Sleeper, Detroit 600HP, 18 Speed Manual

2027 Western Star 49X Sleeper Semi Truck - 35" Mid Roof Sleeper, Detroit 600HP, 18 Speed Manual

Contact for price
This Western Star 49X tractor is powered by a DD16 engine rated at 600 horsepower and 2050 lb-ft of torque and paired with an 18-speed manual transmission. It is equipped with a 14,600 lb...
ConditionNew
Usage3,381 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power600 HP
Engine ModelDetroit DD16
Drivetrain6x4
Transmission18 Speed Manual
Sleeper TypeMid Roof Sleeper
Sleeper Size35"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End46,000 lb 3.91 ratio
Stock NumberWS5089
MLS Number14362960
CategorySleeper Semi Trucks
Last Updated5/12/2026
Location
Bangor, ME, US
Sold By
Freightliner of Maine
Western Star 49X Day Cab Truck - Detroit 600HP, 18 Speed Manual

2027 Western Star 49X Day Cab Truck - Detroit 600HP, 18 Speed Manual

Contact for price
This daycab is powered by a DD16 engine rated at 600 horsepower and 2050 lb-ft of torque and paired with an 18-speed manual transmission. It is equipped with a 14,600 lb front axle and...
ConditionNew
Usage194 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power600 HP
Engine ModelDetroit DD16
Drivetrain6x4
Transmission18 Speed Manual
SuspensionAir Ride
Rear AxleTandem Axle
Rear End46,000 lb 3.91 ratio
Stock NumberWS5081
MLS Number14342779
CategoryDay Cab Semi Trucks
Last Updated5/8/2026
Location
Westbrook, ME, US
Sold By
Freightliner of Maine
Western Star 49X Sleeper Semi Truck - Detroit 560HP, 18 Speed Manual

2023 Western Star 49X Sleeper Semi Truck - Detroit 560HP, 18 Speed Manual

Contact for price
This white 48" sleeper is powered by a Detroit DD16 rated at 560 horsepower and 2,050 lb-ft of torque, delivering exceptional strength for heavy haul and long-distance applications. It is...
ConditionUsed
Usage340,458 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power560 HP
Engine ModelDetroit DD16
Drivetrain6x4
Transmission18 Speed Manual
Rear AxleTandem Axle
Rear End46,000 lb
Stock Number83794
MLS Number14153299
CategorySleeper Semi Trucks
Last Updated5/7/2026
Location
Westbrook, ME, US
Sold By
Freightliner of Maine
Western Star 4900 Tri Axle Sleeper Semi Truck - 28" Flat Top Sleeper, Detroit 505HP, 18 Speed Manual

2012 Western Star 4900 Tri Axle Sleeper Semi Truck - 28" Flat Top Sleeper, Detroit 505HP, 18 Speed Manual

$47,900 USD
2012 Western Star 4900, 246,500 miles, DD15-505 hp, Eaton RTLO18918B 18 speed, 4.30 ratio, 244 wb, 14,320 front, 46,000 rears, 12,000 pusher, 180 Gal Fuel cap, Nice heavy truck in great...
ConditionUsed
Usage246,245 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power505 HP
Engine ModelDetroit DD15
Drivetrain8x4
Transmission18 Speed Manual
Sleeper TypeFlat Top Sleeper
Sleeper Size28"
SuspensionAirLiner
Rear AxleTri Axle
Rear End46,000 lb 4.30 ratio
MLS Number13542225
CategorySleeper Semi Trucks
Last Updated5/7/2026
Location
WINGER, MN, US
Sold By
Lucken Trucks and Parts
Western Star 49X Day Cab Truck - Detroit 560HP

2026 Western Star 49X Day Cab Truck - Detroit 560HP

$206,318 USD
2026 Western Star 49X Tri-Axle Tractor, DD16 560 HP 2050 LB/FT Torque, RTLO-20918B 18 Speed Manual Transmission, 20,000 LB Front Axle, 46,000 LB Rear Axle, 20,000 LB Air Lift Pusher Axle, 86...
ConditionNew
Usage828 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power560 HP
Engine ModelDetroit DD16
Drivetrain6x4
Transmission18 Speed
SuspensionHendrickson
Rear AxleTandem Axle
Rear End46,000 lb 4.10 ratio
Stock Number259591
MLS Number13384287
CategoryDay Cab Semi Trucks
Last Updated5/6/2026
Location
Tampa, FL, US
Sold By
Southport Truck Group
Western Star 49X Day Cab Truck - Detroit 560HP, 18 Speed Manual

2022 Western Star 49X Day Cab Truck - Detroit 560HP, 18 Speed Manual

Contact for price
EW4 extended warranty coverage active through October 8, 2026. 4 Line Wet System
ConditionUsed
Usage210,371 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power560 HP
Engine ModelDetroit DD16
Drivetrain6x4
Transmission18 Speed Manual
SuspensionAir Ride
Rear AxleTandem Axle
Rear End46,000 lb
Stock Number83787
MLS Number13961734
CategoryDay Cab Semi Trucks
Last Updated5/8/2026
Location
Westbrook, ME, US
Sold By
Freightliner of Maine
Western Star 4900FA Sleeper Semi Truck - Mid Roof Sleeper, Detroit 560HP, 18 Speed Manual

2011 Western Star 4900FA Sleeper Semi Truck - Mid Roof Sleeper, Detroit 560HP, 18 Speed Manual

$55,000 USD
This 36" sleeper is powered by a DD15 engine rated at 560 horsepower and paired with an 18-speed manual transmission. It is equipped with a 13,220 lb front axle and 46,000 lb rear axle with...
ConditionUsed
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power560 HP
Engine ModelDetroit DD15
Drivetrain6x4
Transmission18 Speed Manual
Sleeper TypeMid Roof Sleeper
SuspensionAir Ride
Rear AxleTandem Axle
Rear End46,000 lb 4.10 ratio
Stock Number83836
MLS Number14345526
CategorySleeper Semi Trucks
Last Updated5/6/2026
Location
Fort Kent, ME, US
Sold By
Freightliner of Maine
Western Star 4900EX Tri Axle Dump Truck - Detroit 560HP, 18 Speed Manual

2013 Western Star 4900EX Tri Axle Dump Truck - Detroit 560HP, 18 Speed Manual

$84,500 USD
2013 Western Star 4900EX Super Dump. DD15 560Hp, Engine Brake. CARB Compliant Diesel. 18 Speed Trans. 335,276 Miles. 260" W/B. 14K Front Axle, 53.2K Rear Axles. 4.10 ratio. Diff Lock....
ConditionUsed
Usage335,276 Miles
Duty ClassHeavy Duty Dump Truck
Horse Power560 HP
Engine ModelDetroit DD15
Emission RatingUSA Tier 4 Final
Drivetrain8x4
Transmission18 Speed Manual
SuspensionTufTrac
Rear AxleTri Axle
Rear End53,200 lb
MLS Number14230036
CategoryDump Trucks
Last Updated4/30/2026
Location
Redding, CA, US
Sold By
Mittry Construction
Western Star 49X Day Cab Truck - Detroit 600HP, 18 Speed Manual

2027 Western Star 49X Day Cab Truck - Detroit 600HP, 18 Speed Manual

Contact for price
This Western Star 49X, daycab is powered by a DD16 engine rated at 600 horsepower and 2050 lb-ft of torque and paired with an 18-speed manual transmission. It is equipped with a 14,600 lb...
ConditionNew
Usage3,362 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power600 HP
Engine ModelDetroit DD16
Drivetrain6x4
Transmission18 Speed Manual
SuspensionAir Ride
Rear AxleTandem Axle
Rear End46,000 lb 3.73 ratio
Stock NumberWS5079
MLS Number14335372
CategoryDay Cab Semi Trucks
Last Updated4/28/2026
Location
Bangor, ME, US
Sold By
Freightliner of Maine
Western Star 4900 Sleeper Semi Truck - 48" Mid Roof Sleeper, Detroit 600HP, 18 Speed Manual

2020 Western Star 4900 Sleeper Semi Truck - 48" Mid Roof Sleeper, Detroit 600HP, 18 Speed Manual

Contact for price
BEACONS LIGHT, WEBASTO, ELECTRONIC SCALE KILOAD K4, Transmission modelRTLO-20918B,
ConditionUsed
Usage12,345 Hours
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power600 HP
Engine ModelDetroit DD16
Drivetrain6x4
Transmission18 Speed Manual
Sleeper TypeMid Roof Sleeper
Sleeper Size48"
SuspensionAirLiner
Rear AxleTandem Axle
Rear End46,000 lb 4.10 ratio
Stock NumberC-37366
MLS Number14164659
CategorySleeper Semi Trucks
Last Updated4/24/2026
Location
Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By
Gamache Truck Center
Western Star 4900 Sleeper Semi Truck - 48" Mid Roof Sleeper, Detroit 600HP, 18 Speed Manual

2020 Western Star 4900 Sleeper Semi Truck - 48" Mid Roof Sleeper, Detroit 600HP, 18 Speed Manual

Contact for price
WEBASTO, BEACONS LIGHT, Transmission modelRTLO-20918B,
ConditionUsed
Usage15,355 Hours
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power600 HP
Engine ModelDetroit DD16
Drivetrain6x4
Transmission18 Speed Manual
Sleeper TypeMid Roof Sleeper
Sleeper Size48"
SuspensionHendrickson RT
Rear AxleTandem Axle
Rear End46,000 lb 4.10 ratio
Stock NumberC-37045
MLS Number14040832
CategorySleeper Semi Trucks
Last Updated4/24/2026
Location
Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By
Gamache Truck Center
Western Star 4900FA Sleeper Semi Truck - Cummins 565HP, 18 Speed Manual

2021 Western Star 4900FA Sleeper Semi Truck - Cummins 565HP, 18 Speed Manual

Contact for price
Installed optionBEACONS LIGHT,
ConditionUsed
Usage595,332 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power565 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission18 Speed Manual
SuspensionAirLiner
Rear AxleTandem Axle
Rear End46,000 lb 3.91 ratio
Stock NumberC-37560
MLS Number14310726
CategorySleeper Semi Trucks
Last Updated4/22/2026
Location
Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By
Gamache Truck Center
Western Star 49X Sleeper Semi Truck - 48" Mid Roof Sleeper, Detroit 560HP, 18 Speed Manual

2024 Western Star 49X Sleeper Semi Truck - 48" Mid Roof Sleeper, Detroit 560HP, 18 Speed Manual

$164,500 USD
EW4 and Wiring Coverage until 12/28,
ConditionUsed
Usage155,658 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power560 HP
Engine ModelDetroit DD16
Drivetrain6x4
Transmission18 Speed Manual
Sleeper TypeMid Roof Sleeper
Sleeper Size48"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End46,000 lb 4.10 ratio
Stock Number83819
MLS Number14287292
CategorySleeper Semi Trucks
Last Updated4/4/2026
Location
Bangor, ME, US
Sold By
Freightliner of Maine
Western Star 4900 Tri Axle Dump Truck - Cummins 500HP, 18 Speed Manual, 18.5' Dump

2012 Western Star 4900 Tri Axle Dump Truck - Cummins 500HP, 18 Speed Manual, 18.5' Dump

$69,750 USD
2012 Western Star 4900, 200K miles, 9500 hrs, ISX15 500hp, 18 speed manual, 46K rears, 4.30 ratio, 16K front, 13K pusher, jake, cruise, full lockers, 18.5 ft dump box with air gate, airliner...
ConditionUsed
Usage9,543 Hours
Duty ClassHeavy Duty Dump Truck
Bed Length18.5
Horse Power500 HP
Engine ModelCummins ISX15 500
Drivetrain8x4
Transmission18 Speed Manual
SuspensionAirLiner
Rear AxleTri Axle
Rear End59,200 lb 4.30 ratio
MLS Number14259869
CategoryDump Trucks
Last Updated4/2/2026
Location
WINGER, MN, US
Sold By
Lucken Trucks and Parts
Western Star 49X Sleeper Semi Truck - 36" Flat Top Sleeper, Detroit 600HP, 18 Speed Manual

2025 Western Star 49X Sleeper Semi Truck - 36" Flat Top Sleeper, Detroit 600HP, 18 Speed Manual

$196,900 USD
Heavy Spec Spring Ride Tractor ready for anything you can throw at it!,
ConditionNew
Usage914 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power600 HP
Engine ModelDetroit DD16
Drivetrain6x4
Transmission18 Speed Manual
Sleeper TypeFlat Top Sleeper
Sleeper Size36"
SuspensionSpring
Rear AxleTandem Axle
Rear End46,000 lb 4.30 ratio
Stock NumberWS4863
MLS Number13056867
CategorySleeper Semi Trucks
Last Updated4/4/2026
Location
Fort Kent, ME, US
Sold By
Freightliner of Maine
2019 Western Star 4900SA Day Cab Tri Drive 560 HP

2019 Western Star 4900SA Day Cab Tri Drive 560 HP

$79,500 USD
2019 Western Star 4900SA Day Cab Tri Drive 560 HP, Stock #:5300, Exterior Colour:Black Cherry, Engine:Detroit DD16, Horsepower:560, Transmission:18 Spd, Front Axle:20,000, Rear...
ConditionUsed
Usage288,000 Miles
Horse Power560 HP
Engine ModelDetroit DD16
Transmission18 Speed Manual
SuspensionAirLiner
Rear AxleTri Axle
Rear End69,000 lb 4.30 ratio
Stock Number5300
MLS Number14123002
CategoryDay Cab Semi Trucks
Last Updated4/2/2026
Location
Blaine, WA, US
Sold By
International Machinery
2020 Western Star 4900SA Tandem 52in Sleeper 565 HP

2020 Western Star 4900SA Tandem 52in Sleeper 565 HP

$76,500 USD
2020 Western Star 4900SA Tandem 52in Sleeper 565 HP, Stock #:5304, Exterior Colour:Green / White, Engine:Cummins X15, Horsepower:565, Transmission:18 Spd, Front Axle:14,600, Rear Axle...
ConditionUsed
Usage440,000 Miles
Horse Power565 HP
Engine ModelCummins X15
Transmission18 Speed Manual
Sleeper Size52"
SuspensionAirLiner
Rear AxleTandem Axle
Rear End46,000 lb 4.10 ratio
Stock Number5304
MLS Number14271970
CategorySleeper Semi Trucks
Last Updated5/22/2026
Location
Blaine, WA, US
Sold By
International Machinery
Did you find what you were looking for? Yes No