Used 18 Speed 6x4 Trucks For Sale in United States

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106 2

2022 Kenworth W900L Sleeper Semi Truck - 86" Raised Roof Sleeper, Cummins 565HP, 18 Speed Manual

Recently Updated

$139,500 USD

Cummins X15 6 Cylinder 15 L Diesel 565 hp Engine, 2021 US EPA Label, L 150 gal Left Fuel Tank 150 gal Right Fuel Tank, Dual Air Seats, Power Locks, VIT interior, Sleeper Cab, Air Conditioner...

Condition	Used
Usage	463,443 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	565 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Raised Roof Sleeper
Sleeper Size	86"
Suspension	AG 400L
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.25 ratio
Stock Number	D2668
MLS Number	13365548
Category	Sleeper Semi Trucks
Last Updated	3/29/2025
Location	West Sacramento, CA, US
Sold By	DeWald Equipment

17 0

2008 Peterbilt 389 Sleeper Semi Truck - 63" Mid Roof Sleeper, Caterpillar, Manual

Recently Updated

$59,500 USD

2008 Peterbilt 389, Unibilt Ultra Cab 475 Hp Cat C15 ACERT, 18 spd transmission, 63" mid roof sleeper New air dryer installed, A/C system rebuilt (including new compressor and receiver...

Condition	Used
Usage	602,891 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	475 HP
Engine Model	Caterpillar C15 ACERT
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	63"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.25 ratio
Stock Number	BTS8514
MLS Number	12126711
Category	Sleeper Semi Trucks
Last Updated	3/29/2025
Location	Great Falls, MT, US
Sold By	Bouma Truck Sales

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42 0

2013 Western Star 4900 Sleeper Semi Truck - Flat Top Sleeper, Detroit 500HP, 18 Speed Manual

Newly Listed

$64,900 USD

2013 WESTERN STAR 4900, DETROIT DD15, 500HP, 80,602 ACTUAL VERIFIED MILES, 9,847 ACTUAL HOURS, JAKES, EATON FULLER 18 SPEED, 16K LB FRONT AXLE, 46K LB REAR AXLES, AIRLINER SUSPENSION, DOUBLE...

Condition	Used
Usage	9,847 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Suspension	AirLiner
Rear Axle	Tandem Axle
Rear End	46,000 lb
Stock Number	BZ1538
MLS Number	13484413
Category	Sleeper Semi Trucks
Last Updated	3/28/2025
Location	HOT SPRINGS, AR, US
Sold By	3W Equipment

4 0

2013 Kenworth T800 Day Cab Truck - Cummins 500HP, 18 Speed Manual

Newly Listed

$74,500 USD

2--2013 Kenworth T800"s coming in. Low Mile, Pre Emission 500 hp ISX15's. 18 spd transmissions, 46k rears with full lockers, 2 line wet kits. Very nice trucks

Condition	Used
Usage	411,256 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	500 HP
Engine Model	Cummins ISX15
Drivetrain	6x4
Transmission	18 Speed Manual
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	46,000 lb 3.91 ratio
Stock Number	BTS9833
MLS Number	13484370
Category	Day Cab Semi Trucks
Last Updated	3/29/2025
Location	Great Falls, MT, US
Sold By	Bouma Truck Sales

5 0

2013 Kenworth T800 Day Cab Truck - Cummins 500HP, 18 Speed Manual

Newly Listed

$74,500 USD

2--2013 Kenworth T800"s coming in. Low Mile, Pre Emission 500 hp ISX15's. 18 spd transmissions, 46k rears with full lockers, 2 line wet kits. Very nice trucks

Condition	Used
Usage	409,256 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	500 HP
Engine Model	Cummins ISX15
Drivetrain	6x4
Transmission	18 Speed Manual
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	46,000 lb 3.91 ratio
Stock Number	BTS0189
MLS Number	13484342
Category	Day Cab Semi Trucks
Last Updated	3/29/2025
Location	Great Falls, MT, US
Sold By	Bouma Truck Sales

(855) 982-___ SHOW
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7 0

2021 Kenworth W900L Sleeper Semi Truck - 86" Mid Roof Sleeper, Cummins 565HP, 18 Speed Manual

Newly Listed

$159,950 USD

Used 2021 Kenworth W900L Sleeper Truck for Sale. Features: 86" Studio Sleeper, Dual Exhaust Stacks, Dual Air Cleaners, 270-Gallon Fuel Capacity, Diamond VIT Interior, Couch and Upper Bunk,...

Condition	Used
Usage	7,163 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	565 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	86"
Suspension	AG 400L
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.55 ratio
Stock Number	443450T
MLS Number	13483845
Category	Sleeper Semi Trucks
Last Updated	3/28/2025
Location	Swedesboro, NJ, US
Sold By	Coopersburg & Liberty Kenworth

(833) 932-___ SHOW
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7 0

2021 Western Star 4900FA Day Cab Truck - Detroit 560HP, 18 Speed Manual

Newly Listed

Call for price

116301 Miles, Engine: DETROIT DD16, 560 HP, Fuel Type: Diesel, 18 Speed Manual Transmission, Drive: 6x4, Air Ride Suspension, Wheels: Aluminum, Wheel Base: 230, Tandem Rear Axles, Rear Axle...

Condition	Used
Usage	116,301 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	560 HP
Engine Model	Detroit DD16
Drivetrain	6x4
Transmission	18 Speed Manual
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	46,000 lb
Stock Number	83722
MLS Number	13483792
Category	Day Cab Semi Trucks
Last Updated	3/28/2025
Location	Bangor, ME, US
Sold By	Freightliner of Maine

(833) 801-___ SHOW
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6 0

2009 Kenworth W900L Sleeper Semi Truck - 72" Mid Roof Sleeper, Cummins 485HP, 18 Speed Manual

Price Drop

$35,000 USD

VERY NICE TRUCK, RUNS AND DRIVES EXCELLENT, CLEAN! dump valve, differential lock, sliding 5th, power windows, power door locks, tilt/tele, cruise, VIT INTERIOR, DUAL EXHAUST, DUAL BREATHERS...

Condition	Used
Usage	939,916 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	485 HP
Engine Model	Cummins ISX
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.55 ratio
Stock Number	09ISX939W9
MLS Number	13423637
Category	Sleeper Semi Trucks
Last Updated	3/28/2025
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

(844) 956-___ SHOW
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28 0

2010 Peterbilt 388 Day Cab Truck - Cummins 455HP, 18 Speed Manual

Recently Updated

$98,600 USD

Fresh Engine Overhaul, New Head, Cummins ISX15 455HP, Engine Brake, Eaton Fuller RTLO18918B 18-Speed Manual Transmission, Diff Locking Rear Axle, Peterbilt Low Air Suspension w/ Dump...

Condition	Used
Usage	582,686 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	455 HP
Engine Model	Cummins ISX15
Drivetrain	6x4
Transmission	18 Speed Manual
Suspension	Low Air
Rear Axle	Tandem Axle
Rear End	40,000 lb 4.10 ratio
Stock Number	C5010
MLS Number	13396632
Category	Day Cab Semi Trucks
Last Updated	3/28/2025
Location	West Sacramento, CA, US
Sold By	DeWald Equipment

(909) 775-___ SHOW
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7 0

2021 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit, 18 Speed Allison Hs Automatic

Recently Updated

$59,900 USD

Ask for sergio,

Condition	Used
Usage	620,452 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	18 Speed Allison HS Automatic
Rear Axle	Tandem Axle
MLS Number	13167138
Category	Sleeper Semi Trucks
Last Updated	3/28/2025
Location	Fontana, CA, US
Sold By	TCI Transportation

(877) 810-___ SHOW
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4 0

2008 Kenworth T800 Sleeper Semi Truck - 62" Mid Roof Sleeper, Cummins 550HP, 18 Speed Manual

Recently Updated

$49,900 USD

HEAVY HAUL READY! NEW CUMMINS REMAN ENGINE (FULL PAPERWORK) WITH 250K MILES, EATON FULLER 18-SPEED TRANSMISSION. DOUBLE FRAME TRUCK. THIS A TRUE BEAST, TRUE HEAVY HAULER, READY TO GO TO WORK...

Condition	Used
Usage	1,100,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	550 HP
Engine Model	Cummins ISX15 525
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Mid Roof Sleeper
Sleeper Size	62"
Suspension	AG 460
Rear End	46,000 lb 4.10 ratio
Stock Number	8R937683U/ROA
MLS Number	12928696
Category	Sleeper Semi Trucks
Last Updated	3/28/2025
Location	Roanoke, VA, US
Sold By	Truck Enterprises Inc.

(844) 481-___ SHOW
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31 0

2019 Peterbilt 389 Day Cab Truck

Newly Listed

$90,000 USD

2019 PETE 389 DAYCAB ~239,265 MILES SHOWING, ~14,836 HOURS SHOWING, ~510 PACCAR MX-13 550 HP, **ALTERED EMISSIONS**, ~18-SPD TRANSMISSION, ~46K REARS, ~235" WB, ~FULL LOCKERS, ~AIR RIDE,...

Condition	Used
Usage	14,836 Hours
Duty Class	Heavy Duty Day Cab Truck
Horse Power	550 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	18 Speed Manual
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	46,000 lb
MLS Number	13481533
Category	Day Cab Semi Trucks
Last Updated	3/28/2025
Location	Jackson, TN, US
Sold By	Snider Equipment

(844) 435-___ SHOW
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20 0

2024 Kenworth W900 Sleeper Semi Truck - 54" Flat Top Sleeper, Cummins 400HP, 18 Speed Manual

Newly Listed

$190,000 USD

52023 Miles, Engine: CUMMINS, 400 HP, Fuel Type: Diesel, 18 Speed Manual Transmission, Drive: 6x4, Sleeper Type: Flat Top Sleeper, Sleeper Size: 54, Wheel Base: 255, Tandem Rear Axles, Front...

Condition	Used
Usage	52,023 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Sleeper Size	54"
Rear Axle	Tandem Axle
Rear End	46,000 lb 4.30 ratio
Stock Number	330481
MLS Number	13481377
Category	Sleeper Semi Trucks
Last Updated	3/27/2025
Location	Manchester, NH, US
Sold By	Allegiance Trucks

(888) 365-___ SHOW
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7 0

2018 Kenworth W900 Day Cab Truck - Cummins 525HP, 18 Speed Automatic

Newly Listed

$88,000 USD

Construction: Steel, Length: 35, Width: 102, Suspension Location: 3 Axle, Additional Equipment: 2 year Warranty, Dual Air Cleaner, Dual Exhaus,

Condition	Used
Usage	20,000 Hours
Duty Class	Heavy Duty Day Cab Truck
Horse Power	525 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	18 Speed Automatic
Rear Axle	Tandem Axle
Stock Number	26059
MLS Number	13481330
Category	Day Cab Semi Trucks
Last Updated	3/27/2025
Location	Fontana, CA, US
Sold By	Great Western Trailer

(844) 481-___ SHOW
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46 4

2010 Peterbilt 389 Sleeper Semi Truck - Flat Top Sleeper, Cummins 500HP, 18 Speed Manual

Recently Updated

$60,000 USD

2010 PETE 389, 980K MILES SHOWING, 11K HOURS SHOWING, *EMISSIONS ALTERED*, CUMMINS ISX 500, 18-SPD TRANS, 12K FRONTS, 40K REARS, 280" WB, 3.55 REAR RATIO, 64" SLEEPER, 11R24.5, NEW TOOL BOX,...

Condition	Used
Usage	11,857 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins ISX500
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
MLS Number	13450546
Category	Sleeper Semi Trucks
Last Updated	3/28/2025
Location	Jackson, TN, US
Sold By	Snider Equipment

(844) 435-___ SHOW
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6 0

2022 International LoneStar Day Cab Truck - Cummins 525HP, 18 Speed Manual

Recently Updated

$95,900 USD

Beautiful Heavy Spec'ed day cab, loaded, Big Cummins power with 18 spd, 46k rears, Nice Fancy Truck,

Condition	Used
Usage	301,964 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	525 HP
Drivetrain	6x4
Transmission	18 Speed Manual
Suspension	Air Ride
Rear End	46,000 lb 3.91 ratio
Stock Number	160851
MLS Number	13364593
Category	Day Cab Semi Trucks
Last Updated	3/27/2025
Location	Hudson, NY, US
Sold By	Allegiance Trucks

14 0

2019 Western Star 4900 Sleeper Semi Truck - Flat Top Sleeper, Detroit 570HP, 18 Speed Manual

Newly Listed

$67,500 USD

2019 Western Star 4900, Detroit DD15 ( pre-emission ) tuned to 570 hp, 2075 torque. New Top End, New Injectors and Turbo less than a year ago.18 Speed Manual Transmission, Dp41 Rears with...

Condition	Used
Usage	14,527 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	570 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	41,000 lb 3.90 ratio
Stock Number	BTS3406
MLS Number	13478251
Category	Sleeper Semi Trucks
Last Updated	3/26/2025
Location	Great Falls, MT, US
Sold By	Bouma Truck Sales

(855) 906-___ SHOW
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38 0

2015 Kenworth T800 Tandem Axle Logging Truck - Cummins, 485HP, 18 Speed Manual

Newly Listed

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2015 Kenworth T800 3-Axle, Reman Cummins ISX15 (485 HP), Engine Brake, Eaton-Fuller RTLO18918B 18-Speed Manual Transmission, Spicer 46,000# Dual Rear Drive Axles w/ Full Lockers, Interaxle...

Condition	Used
Usage	366,026 Miles
Duty Class	Heavy Duty Logging Truck
Horse Power	485 HP
Engine Model	Cummins ISX15 485
Drivetrain	6x4
Transmission	18 Speed Manual
Rear Axle	Tandem Axle
Rear End	46,000 lb 3.73 ratio
Stock Number	E18161-E18161B
MLS Number	13478233
Category	Logging Trucks
Last Updated	3/26/2025
Location	Healdsburg, CA, US
Sold By	Opperman & Son, Inc.

(855) 906-___ SHOW
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35 0

2019 Peterbilt 579 Roll Off Truck - Paccar, 510HP, 18 Speed Manual

Newly Listed

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2019 PETERBILT 579 3-AXLE, MX-13 (510HP), Engine Brake, Eaton Fuller RTLO-18918B 18-Speed Manual Transmission, Dana Spicer DS40 40,000# Dual Drive Rear Axles (3.36 Ratio), Rear Axle Locker,...

Condition	Used
Usage	4,267 Hours
Duty Class	Heavy Duty Roll Off Truck
Horse Power	510 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	18 Speed Manual
Suspension	Pete Low Air Leaf
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.36 ratio
Stock Number	E17427
MLS Number	13477305
Category	Roll Off Trucks
Last Updated	3/26/2025
Location	Healdsburg, CA, US
Sold By	Opperman & Son, Inc.

(844) 292-___ SHOW
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21 0

2016 Peterbilt 389 Sleeper Semi Truck - Flat Top Sleeper, Cummins 500HP, 18 Speed Manual

Recently Updated

$110,000 USD

(SALE PENDING) SUPER CLEAN WELL MAINTAINED, 2016 PETERBILT 389, EQUIPPED WITH A CUMMINS 500 HPISX15,FULLER 18 SPEED,WET KIT, NO LEAKS, NO RUST, RUNS AND DRIVES GREAT. CALL FOR MORE INFO

Condition	Used
Usage	9,983 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins ISX
Emission Rating	USA Tier 4 Final
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Suspension	Pete Low Air Leaf
Rear Axle	Tandem Axle
Rear End	4.88 ratio
Stock Number	25-48128
MLS Number	13363241
Category	Sleeper Semi Trucks
Last Updated	3/26/2025
Location	SANTA ROSA, CA, US
Sold By	Seaton Machinery

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48 0

2014 Western Star 4900 Sleeper Semi Truck - Flat Top Sleeper, Cummins 500HP, 18 Speed Manual

Newly Listed

$69,900 USD

2014 WESTERN STAR 4900, CUMMINS ISX15, 500HP, 75,404 ACTUAL VERIFIED MILES, 7,434 ACTUAL HOURS, JAKES, EATON FULLER 18 SPEED, 16K LB FRONT AXLE, 46K LB REAR AXLES, AIRLINER SUSPENSION,...

Condition	Used
Usage	7,434 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins ISX15 500
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Flat Top Sleeper
Suspension	AirLiner
Rear Axle	Tandem Axle
Rear End	46,000 lb
Stock Number	FW5437
MLS Number	13470273
Category	Sleeper Semi Trucks
Last Updated	3/25/2025
Location	HOT SPRINGS, AR, US
Sold By	3W Equipment

(844) 939-___ SHOW
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18 0

2016 Peterbilt 567 Sleeper Semi Truck - Mid Roof Sleeper, Paccar 380HP, 18 Speed Manual

Recently Updated

$25,000 USD

This 2016 Peterbilt semi-truck is in excellent condition, featuring: Engine: Paccar MX-13 Transmission: 18-speed manual Mileage: 843,341 miles, Recent maintenance highlights: New head and...

Condition	Used
Usage	843,341 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	380 HP
Drivetrain	6x4
Transmission	18 Speed Manual
Sleeper Type	Mid Roof Sleeper
Rear Axle	Tandem Axle
Stock Number	T3005-SL
MLS Number	13369066
Category	Sleeper Semi Trucks
Last Updated	3/25/2025
Location	Vernal, UT, US
Sold By	Mideast Equipment Supply

(833) 300-___ SHOW
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35 1

2013 Western Star 4900 Tandem Axle Cab & Chassis Truck - Detroit, 600HP, 18 Speed Manual

Recently Updated

$54,995 USD

1205446 Miles, Engine: DETROIT DD16, 600 HP, Fuel Type: Diesel, 18 Speed Manual Transmission, Drive: 6x4, Newair Suspension, Tires: 385/65R22.5 / 11R22.5, Wheels: Aluminum, Wheel Base:...

Condition	Used
Usage	1,205,446 Miles
Duty Class	Heavy Duty Cab & Chassis Truck
Horse Power	600 HP
Engine Model	Detroit DD16
Drivetrain	6x4
Transmission	18 Speed Manual
Suspension	Newair
Rear Axle	Tandem Axle
Rear End	46,000 lb 4.30 ratio
Stock Number	C-32738
MLS Number	12944007
Category	Cab & Chassis Trucks
Last Updated	3/25/2025
Location	Champlain, NY, US
Sold By	Gamache Truck Center