18 Speed 6x4 Trucks For Sale

Your Current Search
Industry
Trucks
Drive Type
6x4
Transmission Speeds
18 Speed
Click the to remove the filter.
Narrow Your Search
Keyword Search
Search within the selected criteria
Industry
Trucks (349)
Model
Select a manufacturer to view available models.
Model Year
-
GVWR Category
Transmission Speed
18 Speed (349)
Drive Train
6x4 (349)
Fuel Type
Mileage
-
Horsepower
-
Price
-
State / Region
Select a country to view available states.
176-200 of 349 results
176-200 of 349 results
Kenworth T800 Day Cab Truck - Cummins 525HP, 18 Speed Manual
39 1

2020 Kenworth T800 Day Cab Truck - Cummins 525HP, 18 Speed Manual

Call for price
EXTENDED CAB, BEACONS LIGHT, WET KIT,
ConditionUsed
Usage9,445 Hours
Duty ClassHeavy Duty Day Cab Truck
Horse Power525 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission18 Speed Manual
Suspension8 Bag Air Ride
Rear AxleTandem Axle
Rear End46,000 lb 3.91 ratio
Stock NumberC-35978
MLS Number13274099
CategoryDay Cab Semi Trucks
Last Updated12/6/2024
Location
Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By

Gamache Truck Center

Kenworth W900 Sleeper Semi Truck - Mid Roof Sleeper, Caterpillar 500HP, 18 Speed Manual
14 0

1998 Kenworth W900 Sleeper Semi Truck - Mid Roof Sleeper, Caterpillar 500HP, 18 Speed Manual

$20,500 USD
salvage title, cat 3406e, 18 speed, runs and drives, needs cab and hood
ConditionUsed
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power500 HP
Engine ModelCaterpillar 3406E
Drivetrain6x4
Transmission18 Speed Manual
Sleeper TypeMid Roof Sleeper
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb
Stock Number10591
MLS Number13274011
CategorySleeper Semi Trucks
Last Updated12/6/2024
Location
LAKEVILLE, MN, US
Sold By

Manders Diesel

Peterbilt 589 Sleeper Semi Truck - 58" Flat Top Sleeper, Cummins 565HP, 18 Speed Manual
6 0

2025 Peterbilt 589 Sleeper Semi Truck - 58" Flat Top Sleeper, Cummins 565HP, 18 Speed Manual

Call for price
Engine: CUMMINS X15, 565 HP, Fuel Type: Diesel, 18 Speed Manual Transmission, Drive: 6x4, Neway Suspension, Sleeper Type: Flat Top Sleeper, Sleeper Size: 58, Tires: 11R22.5, Wheels: Polished...
Quantity2
ConditionNew
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power565 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission18 Speed Manual
Sleeper TypeFlat Top Sleeper
Sleeper Size58"
SuspensionNeway
Rear AxleTandem Axle
Rear End46,000 lb 3.73 ratio
Stock Number276485
MLS Number13273367
CategorySleeper Semi Trucks
Last Updated12/7/2024
Location
Millstone Township, NJ, US
Sold By

Hunter Truck

Peterbilt 589 Sleeper Semi Truck - 58" Flat Top Sleeper, Cummins 565HP, 18 Speed Manual
6 0

2025 Peterbilt 589 Sleeper Semi Truck - 58" Flat Top Sleeper, Cummins 565HP, 18 Speed Manual

Call for price
Engine: CUMMINS X15, 565 HP, Fuel Type: Diesel, 18 Speed Manual Transmission, Drive: 6x4, Neway Suspension, Sleeper Type: Flat Top Sleeper, Sleeper Size: 58, Tires: 11R22.5, Wheels: Polished...
Quantity2
ConditionNew
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power565 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission18 Speed Manual
Sleeper TypeFlat Top Sleeper
Sleeper Size58"
SuspensionNeway
Rear AxleTandem Axle
Rear End46,000 lb 3.73 ratio
Stock Number273138
MLS Number13273342
CategorySleeper Semi Trucks
Last Updated12/7/2024
Location
Millstone Township, NJ, US
Sold By

Hunter Truck

Western Star 4900FA Day Cab Truck - Detroit 600HP, 18 Speed Manual
8 0

2016 Western Star 4900FA Day Cab Truck - Detroit 600HP, 18 Speed Manual

Call for price
This used 2016 Western Star 4900FA is built for power and durability. With a strong Detroit engine and smooth transmission, it’s ready for any haul. The sleek design and comfortable cab make...
ConditionUsed
Usage733,000 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 3.55 ratio
Stock Number83666
MLS Number13250574
CategoryDay Cab Semi Trucks
Last Updated12/4/2024
Location
Bangor, ME, US
Sold By

Freightliner of Maine

Peterbilt 567 Day Cab Truck - Cummins 565HP, 18 Speed Manual
4 0

2025 Peterbilt 567 Day Cab Truck - Cummins 565HP, 18 Speed Manual

Call for price
36" air slide, dual exhaust, locking diff in rear rear, durabright wheels, Michelin tires, leather driver seat
ConditionNew
Duty ClassHeavy Duty Day Cab Truck
Horse Power565 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission18 Speed Manual
SuspensionFlex Air
Rear AxleTandem Axle
Rear End40,000 lb 3.55 ratio
Stock Number275585
MLS Number13266790
CategoryDay Cab Semi Trucks
Last Updated12/3/2024
Location
Smithfield, PA, US
Sold By

Hunter Truck

Peterbilt 567 Tandem Axle Cab & Chassis Truck - Cummins, 500HP, 18 Speed Endurant Amt
4 0

2025 Peterbilt 567 Tandem Axle Cab & Chassis Truck - Cummins, 500HP, 18 Speed Endurant Amt

Call for price
Full double frame, full locking rears, power mirrors, durabright wheels, 20k factory installed non-steerable pusher axle,
ConditionNew
Duty ClassHeavy Duty Cab & Chassis Truck
Horse Power500 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission18 Speed Endurant Automated
SuspensionAir Trac
Rear AxleTandem Axle
Rear End46,000 lb 4.10 ratio
Stock Number273230
MLS Number12961093
CategoryCab & Chassis Trucks
Last Updated12/3/2024
Location
Smithfield, PA, US
Sold By

Hunter Truck

Kenworth T880 Sleeper Semi Truck - 66" Mid Roof Sleeper, Cummins 500HP, 18 Speed Manual
45 1

2022 Kenworth T880 Sleeper Semi Truck - 66" Mid Roof Sleeper, Cummins 500HP, 18 Speed Manual

Call for price
- WET KIT, - DIFFERENTIAL HOUSING: 46,000 LBS (SUPER 40),
ConditionUsed
Usage7,346 Hours
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power500 HP
Engine ModelCummins X15E
Drivetrain6x4
Transmission18 Speed Manual
Sleeper TypeMid Roof Sleeper
Sleeper Size66"
Suspension8 Bag Air Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.58 ratio
Stock NumberC-36133
MLS Number13262950
CategorySleeper Semi Trucks
Last Updated11/29/2024
Location
Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By

Gamache Truck Center

Kenworth T800 Day Cab Truck - Cummins 565HP, 18 Speed Manual
41 1

2018 Kenworth T800 Day Cab Truck - Cummins 565HP, 18 Speed Manual

Call for price
461801 Miles, 15007 Hours, Engine: CUMMINS X15P, 565 HP, Fuel Type: Diesel, 18 Speed Manual Transmission, Drive: 6x4, 8 Bag Air Ride Suspension, Tires: 12R22.5 / 11R22.5, Wheels: Aluminum,...
ConditionUsed
Usage15,007 Hours
Duty ClassHeavy Duty Day Cab Truck
Horse Power565 HP
Engine ModelCummins X15P
Drivetrain6x4
Transmission18 Speed Manual
Suspension8 Bag Air Ride
Rear AxleTandem Axle
Rear End46,000 lb 3.91 ratio
Stock NumberC-35872
MLS Number13210858
CategoryDay Cab Semi Trucks
Last Updated11/29/2024
Location
Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By

Gamache Truck Center

Kenworth T800 Day Cab Truck - Paccar 500HP, 18 Speed Manual
37 1

2016 Kenworth T800 Day Cab Truck - Paccar 500HP, 18 Speed Manual

Call for price
431104 Miles, 14304 Hours, Engine: PACCAR MX-13, 500 HP, Fuel Type: Diesel, 18 Speed Manual Transmission, Drive: 6x4, 8 Bag Air Ride Suspension, Tires: 11R22.5, Wheels: All Aluminum, Wheel...
ConditionUsed
Usage14,304 Hours
Duty ClassHeavy Duty Day Cab Truck
Horse Power500 HP
Engine ModelPaccar MX-13
Drivetrain6x4
Transmission18 Speed Manual
Suspension8 Bag Air Ride
Rear AxleTandem Axle
Rear End46,000 lb 3.91 ratio
Stock NumberC-35548
MLS Number13152905
CategoryDay Cab Semi Trucks
Last Updated11/29/2024
Location
Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By

Gamache Truck Center

Western Star 4900 Day Cab Truck - Caterpillar 475HP, 18 Speed Manual
37 1

2007 Western Star 4900 Day Cab Truck - Caterpillar 475HP, 18 Speed Manual

Call for price
948914 Miles, Engine: CATERPILLAR C15, 475 HP, Fuel Type: Diesel, 18 Speed Manual Transmission, Drive: 6x4, AirLiner Suspension, Tires: 11R22.5, Wheels: Aluminum/Steel, Wheel Base: 190,...
ConditionUsed
Usage948,914 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power475 HP
Engine ModelCaterpillar C15
Drivetrain6x4
Transmission18 Speed Manual
SuspensionAirLiner
Rear AxleTandem Axle
Rear End46,000 lb 3.91 ratio
Stock NumberC-29432
MLS Number12932135
CategoryDay Cab Semi Trucks
Last Updated11/29/2024
Location
Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By

Gamache Truck Center

Western Star 4900FA Day Cab Truck - Detroit 600HP, 18 Speed Manual
19 0

2020 Western Star 4900FA Day Cab Truck - Detroit 600HP, 18 Speed Manual

$89,500 USD
572982 Miles, Engine: DETROIT DD16, 600 HP, Fuel Type: Diesel, 18 Speed Manual Transmission, Drive: 6x4, Air Ride Suspension, Wheels: Aluminum, Wheel Base: 232, Tandem Rear Axles, Rear Axle...
ConditionUsed
Usage572,982 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
Stock Number83667
MLS Number13261982
CategoryDay Cab Semi Trucks
Last Updated11/28/2024
Location
Westbrook, ME, US
Sold By

Freightliner of Maine

Kenworth T800 Day Cab Truck - Cummins 565HP, 18 Speed Manual
37 1

2020 Kenworth T800 Day Cab Truck - Cummins 565HP, 18 Speed Manual

Call for price
EXTENDED CAB, BEACONS LIGHT,
ConditionUsed
Usage9,500 Hours
Duty ClassHeavy Duty Day Cab Truck
Horse Power565 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission18 Speed Manual
SuspensionNewair
Rear AxleTandem Axle
Rear End46,000 lb 3.91 ratio
Stock NumberC-35981
MLS Number13261940
CategoryDay Cab Semi Trucks
Last Updated11/28/2024
Location
Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By

Gamache Truck Center

Western Star 49X Sleeper Semi Truck - Flat Top Sleeper, Detroit 600HP, 18 Speed Manual
11 0

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

Call for price
984 Miles, Engine: DETROIT DD16, 600 HP, Fuel Type: Diesel, 18 Speed Manual Transmission, Drive: 6x4, Air Ride Suspension, Sleeper Type: Flat Top Sleeper, Wheels: Aluminum, Wheel Base: 250,...
ConditionNew
Usage984 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power600 HP
Engine ModelDetroit DD16
Drivetrain6x4
Transmission18 Speed Manual
Sleeper TypeFlat Top Sleeper
SuspensionAir Ride
Rear AxleTandem Axle
Rear End46,000 lb
Stock NumberWS4880
MLS Number13117974
CategorySleeper Semi Trucks
Last Updated11/28/2024
Location
Bangor, ME, US
Sold By

Freightliner of Maine

Western Star 49X Day Cab Truck - Detroit 600HP, 18 Speed Manual
11 0

2025 Western Star 49X Day Cab Truck - Detroit 600HP, 18 Speed Manual

Call for price
7 Miles, Engine: DETROIT DD16, 600 HP, Fuel Type: Diesel, 18 Speed Manual Transmission, Drive: 6x4, Air Ride Suspension, Wheels: Aluminum, Wheel Base: 226, Tandem Rear Axles, Rear Axle...
ConditionNew
Usage7 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
Stock NumberWS4903
MLS Number13061454
CategoryDay Cab Semi Trucks
Last Updated11/28/2024
Location
Bangor, ME, US
Sold By

Freightliner of Maine

Western Star 49X Sleeper Semi Truck - Flat Top Sleeper, Detroit 600HP, 18 Speed Manual
15 0

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

Call for price
1085 Miles, Engine: DETROIT DD16, 600 HP, Fuel Type: Diesel, 18 Speed Manual Transmission, Drive: 6x4, Air Ride Suspension, Sleeper Type: Flat Top Sleeper, Wheels: Aluminum, Wheel Base: 250,...
ConditionNew
Usage1,085 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power600 HP
Engine ModelDetroit DD16
Drivetrain6x4
Transmission18 Speed Manual
Sleeper TypeFlat Top Sleeper
SuspensionAir Ride
Rear AxleTandem Axle
Rear End46,000 lb
Stock NumberWS4873
MLS Number13051483
CategorySleeper Semi Trucks
Last Updated11/28/2024
Location
Bangor, ME, US
Sold By

Freightliner of Maine

Peterbilt 378 Tandem Axle Wrecker Tow Truck - Caterpillar, 550HP, 18 Speed Manual
35 2

1997 Peterbilt 378 Tandem Axle Wrecker Tow Truck - Caterpillar, 550HP, 18 Speed Manual

$69,500 USD
1997 Peterbilt 378, 550 Cat, 18 speed, 2 speed rears, full double frame, 20k front, 44 rears on Air Trac, 22' wrecker bed, double hydraulic winches. Nationwide delivery available,
ConditionUsed
Usage687,250 Miles
Duty ClassHeavy Duty Wrecker Tow Truck
Horse Power550 HP
Drivetrain6x4
Transmission18 Speed Manual
SuspensionAir Trac
Rear AxleTandem Axle
Rear End44,000 lb
Stock Number7863
MLS Number13258105
CategoryWrecker Tow Trucks
Last Updated11/27/2024
Location
Sawyer, KS, US
Sold By

The Wrays, LLC

Kenworth T880 Sleeper Semi Truck - 28" Flat Top Sleeper, Paccar 510HP, 18 Speed Manual
39 1

2019 Kenworth T880 Sleeper Semi Truck - 28" Flat Top Sleeper, Paccar 510HP, 18 Speed Manual

Call for price
BEACONS LIGHT, HEADACHE RACK ALUMINIUM, DISC BRAKE,
ConditionUsed
Usage3,424 Hours
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power510 HP
Engine ModelPaccar MX-13
Drivetrain6x4
Transmission18 Speed Manual
Sleeper TypeFlat Top Sleeper
Sleeper Size28"
SuspensionHendrickson PRIMAAX
Rear AxleTandem Axle
Rear End46,000 lb 4.10 ratio
Stock NumberC-35966
MLS Number13258022
CategorySleeper Semi Trucks
Last Updated11/28/2024
Location
Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By

Gamache Truck Center

Western Star 49X Day Cab Truck - Detroit 600HP, 18 Speed Manual
9 0

2025 Western Star 49X Day Cab Truck - Detroit 600HP, 18 Speed Manual

Call for price
Rugged, Reliable, and Ready to work for YOU. With its heavy duty frame, advanced suspension system, and cutting-edge technology, the 49X is built for both on road and off road capabilities
ConditionNew
Usage7 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power600 HP
Engine ModelDetroit DD16
Drivetrain6x4
Transmission18 Speed Manual
SuspensionAirLiner
Rear AxleTandem Axle
Stock NumberWS4914
MLS Number13232020
CategoryDay Cab Semi Trucks
Last Updated11/26/2024
Location
Bangor, ME, US
Sold By

Freightliner of Maine

Peterbilt 389 Sleeper Semi Truck - Flat Top Sleeper, Cummins 565HP, 18 Speed Manual
21 0

2023 Peterbilt 389 Sleeper Semi Truck - Flat Top Sleeper, Cummins 565HP, 18 Speed Manual

$160,000 USD
2023 Peterbilt 389, Low low suspension front and back, Factory air ride, Car haul front axle, 565hp / 2050tq, 18 speed, 3.36 ratio Oxford white with cobalt blue frame from factory 300”...
ConditionUsed
Usage283,000 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power565 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission18 Speed Manual
Sleeper TypeFlat Top Sleeper
SuspensionPete Low Air Leaf
Rear AxleTandem Axle
Rear End40,000 lb 3.36 ratio
MLS Number12848005
CategorySleeper Semi Trucks
Last Updated11/24/2024
Location
Santa Rosa, CA, US
Sold By

Personal Asset Brokerage

Western Star 49X Day Cab Truck - Detroit 600HP, 18 Speed Manual
8 0

2025 Western Star 49X Day Cab Truck - Detroit 600HP, 18 Speed Manual

Call for price
The Western Star 49X Tandem Axle Tractor is a green powerhouse built to dominate the road. With a DD16 engine roaring under the hood, it delivers plenty of torque, making light work of tough...
ConditionNew
Usage1,120 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power600 HP
Engine ModelDetroit DD16
Drivetrain6x4
Transmission18 Speed Manual
SuspensionAirLiner
Rear AxleTandem Axle
Stock NumberWS4907
MLS Number13250570
CategoryDay Cab Semi Trucks
Last Updated11/27/2024
Location
Bangor, ME, US
Sold By

Freightliner of Maine

Western Star 49X Sleeper Semi Truck - Flat Top Sleeper, Detroit 600HP, 18 Speed Manual
13 0

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

Call for price
1266 Miles, Engine: DETROIT DD16, 600 HP, Fuel Type: Diesel, 18 Speed Manual Transmission, Drive: 6x4, Spring Suspension, Sleeper Type: Flat Top Sleeper, Sleeper Size: 36, Tires: 11R24.5,...
ConditionNew
Usage1,266 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 NumberWS4898
MLS Number13218645
CategorySleeper Semi Trucks
Last Updated11/22/2024
Location
Fort Kent, ME, US
Sold By

Freightliner of Maine

Mack Pinnacle CXU602 Day Cab Truck
36 3

2009 Mack Pinnacle CXU602 Day Cab Truck

$24,995 USD
Truck Runs great, good rubber, low miles, 46K LB REARS, No Rust!! Please see Videos,
ConditionUsed
Usage12,731 Hours
Duty ClassHeavy Duty Day Cab Truck
Engine ModelMack MP8-485C
Drivetrain6x4
Transmission18 Speed Manual
SuspensionAir Ride
Rear AxleTandem Axle
Rear End46,000 lb
MLS Number13189494
CategoryDay Cab Semi Trucks
Last Updated12/11/2024
Location
Phoenix, AZ, US
Sold By

Georgia Elite Trucks

Freightliner Coronado 122 SD Sleeper Semi Truck - Flat Top Sleeper, Detroit 560HP, 18 Speed Manual
9 0

2019 Freightliner Coronado 122 SD Sleeper Semi Truck - Flat Top Sleeper, Detroit 560HP, 18 Speed Manual

$75,000 USD
Engine: DETROIT DD16, 560 HP, Fuel Type: Diesel, 18 Speed Manual Transmission, Drive: 6x4, Air Ride Suspension, Sleeper Type: Flat Top Sleeper, Wheels: Aluminum, Wheel Base: 245, Tandem Rear...
ConditionUsed
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power560 HP
Engine ModelDetroit DD16
Drivetrain6x4
Transmission18 Speed Manual
Sleeper TypeFlat Top Sleeper
SuspensionAir Ride
Rear AxleTandem Axle
Rear End46,000 lb
MLS Number13176819
CategorySleeper Semi Trucks
Last Updated11/22/2024
Location
Fort Kent, ME, US
Sold By

Freightliner of Maine

Western Star 49X Day Cab Truck - Detroit 600HP, 18 Speed Manual
9 0

2025 Western Star 49X Day Cab Truck - Detroit 600HP, 18 Speed Manual

Call for price
11 Miles, Engine: DETROIT DD16, 600 HP, Fuel Type: Diesel, 18 Speed Manual Transmission, Drive: 6x4, Spring Suspension, Tires: 11R24.5, Wheels: Aluminum, Wheel Base: 224, Tandem Rear Axles,...
ConditionNew
Usage11 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power600 HP
Engine ModelDetroit DD16
Drivetrain6x4
Transmission18 Speed Manual
SuspensionSpring
Rear AxleTandem Axle
Rear End46,000 lb 4.30 ratio
Stock NumberWS4895
MLS Number13171684
CategoryDay Cab Semi Trucks
Last Updated11/22/2024
Location
Fort Kent, ME, US
Sold By

Freightliner of Maine

Did you find what you were looking for? Yes No