Diesel Kenworth 12 Speed Trucks For Sale

44 4

2020 Kenworth T680 Sleeper Semi Truck - Raised Roof Sleeper, Cummins 500HP, 12 Speed Automatic

Recently Updated

$59,900 USD

430,353 Miles, Cummins X15 Engine, 500 H.P Engine Brake, Endurant Automatic - 12 Speed, Fleet Maintained, Navigation, Virgin Rubber, Fridge, 76" Condo Sleeper with Workstation Upper Bunk,...

Condition	Used
Usage	430,353 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	417831
MLS Number	13603401
Category	Sleeper Semi Trucks
Last Updated	7/31/2025
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

24 0

2020 Kenworth T680 Sleeper Semi Truck - Raised Roof Sleeper, Cummins 450HP, 12 Speed Automatic

Price Drop

$51,500 USD

430,655 Miles, Cummins X15 100th Anniversary Edition, 450HP, 12 Speed Eaton Automatic, Double Bunk, Aluminum wheels, Battery APU, Collision Mitigation System, Inverter, Air Slide 5th Wheel,...

Condition	Used
Usage	430,655 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	76"
Suspension	Paccar
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	399405
MLS Number	13586519
Category	Sleeper Semi Trucks
Last Updated	7/31/2025
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

34 1

2020 Kenworth T680 Sleeper Semi Truck - Raised Roof Sleeper, Cummins 450HP, 12 Speed Automatic

Recently Updated

$49,500 USD

X15 – 450HP, 12 Speed automatic, Double bunk, Aluminum wheels, Battery APU, *Rep Photos - will update with actual photos soon**,

Condition	Used
Usage	518,100 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	76"
Suspension	Paccar
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	399402
MLS Number	13586515
Category	Sleeper Semi Trucks
Last Updated	7/31/2025
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

(855) 717-___ SHOW
NUMBERCall Seller

39 1

2020 Kenworth T680 Sleeper Semi Truck - Raised Roof Sleeper, Cummins 400HP, 12 Speed Endurant Automatic

Recently Updated

$59,900 USD

** ASK FOR LOW COST DELIVERY AVAILABLE TO ALL 48 STATES!! ***, AUTOMATIC!!!!, SIDE AND FULL FAIRINGS, LIQUID DEF Se Habla Espanol! NO CREDIT? BAD CREDIT? NO PROBLEM!! OPEN 7 DAYS A WEEK!!!!...

Condition	Used
Usage	461,681 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automatic
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	2.79 ratio
Stock Number	N14931-DELIVERY 2 U
MLS Number	13483844
Category	Sleeper Semi Trucks
Last Updated	7/31/2025
Location	Turlock, CA, US
Sold By	Diamond Truck Sales Inc

4 0

2020 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Paccar 455HP, 12 Speed Endurant Amt

Recently Updated

$37,900 USD

76 Inch High-Roof Sleeper, Upper Bunk, 607,000 Approximate Miles, ECM Reads 607,000 Miles, PACCAR MX-13 Engine, 455 H.P., PO16F112C Transmission, (Automatic), 40,000 Lb. Rear Ends, 2.79...

Condition	Used
Usage	607,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.79 ratio
Stock Number	317541
MLS Number	13712694
Category	Sleeper Semi Trucks
Last Updated	7/30/2025
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

(866) 530-___ SHOW
NUMBERCall Seller

41 0

2021 Kenworth T680 Sleeper Semi Truck - Cummins 450HP, 12 Speed Automatic

Price Drop

$69,995 USD

CUMMINS X15 / AUTOMATIC TRANSMISSION / APU / FLEET MAINTAINED / FINANCING AVAILABLE MULTIPLE UNITS AVAILABLE 2021 KENWORTH T680, CUMMINS X15, AUTOMATIC TRANSMISSION, 442,376 MILES, APU ...

Condition	Used
Usage	442,376 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	5224
MLS Number	13542262
Category	Sleeper Semi Trucks
Last Updated	7/30/2025
Location	Fontana, CA, US
Sold By	Fontana Truck Center

24 2

2021 Kenworth T680 Sleeper Semi Truck - Mid Roof Sleeper, Cummins 450HP, 12 Speed Endurant Amt

Price Drop

$59,950 USD

Experience the perfect blend of comfort, power, and efficiency with this 2021 Kenworth T680 Mid Roof Sleeper Truck. With 439,906 miles, this stunning maroon truck is ready to tackle long...

Condition	Used
Usage	13,072 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Sleeper Type	Mid Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	MO10262
MLS Number	13537356
Category	Sleeper Semi Trucks
Last Updated	7/30/2025
Location	Commerce City, CO, US
Sold By	Michelle Sells Trucks

22 0

2019 Kenworth T880 Day Cab Truck - Paccar 455HP, 12 Speed Endurant Automatic

Price Drop

$36,950 USD

Take a look at this 2019 Kenworth T880 Day Cab with 512,348 miles. This truck is equipped with a Paccar MX-13 engine producing 455 horsepower and an Endurant transmission. The 170" wheelbase...

Condition	Used
Usage	14,310 Hours
Duty Class	Heavy Duty Day Cab Truck
Horse Power	455 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	12 Speed Endurant Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.55 ratio
Stock Number	MO10177
MLS Number	13512342
Category	Day Cab Semi Trucks
Last Updated	7/30/2025
Location	Kansas City, MO, US
Sold By	Michelle Sells Trucks

(855) 910-___ SHOW
NUMBERCall Seller

4 0

2021 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Amt

Newly Listed

$53,000 USD

N.A.P.,Air Release 5th Wheel, Auto Trans, Espar Bunk Heater, Invertor, Jumper Posts, LED Lights, Fridge, Sliding 5th Wheel, Well Maintained Fleet Truck, Oil Changed Every 35K Miles,

Condition	Used
Usage	458,459 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	3603
MLS Number	13724827
Category	Sleeper Semi Trucks
Last Updated	7/26/2025
Location	GRANGER, IA, US
Sold By	Barr-Nunn Transportation LLC

(833) 538-___ SHOW
NUMBERCall Seller

16 0

2022 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Amt

Recently Updated

$68,900 USD

X15 Cummins, TK APU, New Virgin Drives, 5 Year 500k Factory EATS,

Condition	Used
Usage	425,440 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Stock Number	454528
MLS Number	13401053
Category	Sleeper Semi Trucks
Last Updated	7/31/2025
Location	Idaho Falls, ID, US
Sold By	Dad's Truck and Trailer Sales

(833) 904-___ SHOW
NUMBERCall Seller

28 1

2019 Kenworth T880 Single Axle Cab & Chassis Truck - Paccar, 450HP, 12 Speed Amt

Newly Listed

$27,500 USD

2019 Kenworth T880 Cab and Chassis, 450hp Paccar MX-13, 12spd Automated, 497k Mi, Air ride Suspension, Nationwide Delivery Available

Condition	Used
Usage	497,423 Miles
Duty Class	Heavy Duty Cab & Chassis Truck
Horse Power	450 HP
Engine Model	Paccar MX-13
Drivetrain	4x2
Transmission	12 Speed Automated
Suspension	Air Ride
Rear Axle	Single Axle
Rear End	23,000 lb
Stock Number	0350
MLS Number	13723258
Category	Cab & Chassis Trucks
Last Updated	7/25/2025
Location	Sawyer, KS, US
Sold By	The Wrays, LLC

24 1

2020 Kenworth T680 Sleeper Semi Truck - Raised Roof Sleeper, Cummins 450HP, 12 Speed Endurant Amt

Newly Listed

$45,900 USD

18 Units Available!, Starting @ $37,900, Miles: 378k - 607k, X15 – 450HP, 450 HP, Eaton Endurant Auto, Double Bunk Sleeper, Aluminum wheels, Battery APU - Not Verified It Works, Air Slide...

Condition	Used
Usage	553,229 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Sleeper Type	Raised Roof Sleeper
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.71 ratio
Stock Number	399393-PREAT
MLS Number	13723099
Category	Sleeper Semi Trucks
Last Updated	7/25/2025
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

11 0

2022 Kenworth T680 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 450HP, 12 Speed Automatic

Recently Updated

$69,950 USD

For sale is a 2022 Kenworth T680, a premium Class 8 sleeper truck designed for long-haul efficiency and driver comfort. This well-maintained unit has 391,440 verified miles and is powered by...

Condition	Used
Usage	391,440 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	CO10522
MLS Number	13674486
Category	Sleeper Semi Trucks
Last Updated	7/25/2025
Location	Kansas City, MO, US
Sold By	Michelle Sells Trucks

11 0

2022 Kenworth T680 Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 450HP, 12 Speed Automatic

Recently Updated

$69,950 USD

For sale is a 2022 Kenworth T680, a premium Class 8 sleeper truck designed for long-haul efficiency and driver comfort. This well-maintained unit has 391,440 verified miles and is powered by...

Condition	Used
Usage	391,440 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	73"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	CO10522
MLS Number	13674484
Category	Sleeper Semi Trucks
Last Updated	7/25/2025
Location	Oklahoma City, OK, US
Sold By	Michelle Sells Trucks

35 2

2023 Kenworth W990 Sleeper Semi Truck - 76" Mid Roof Sleeper, Paccar 455HP, 12 Speed Automatic

Recently Updated

$109,950 USD

Looking to dominate the road with power, comfort, and style? Then get ready to meet your next money-maker! We've got a stunning 2023 Kenworth W990 here at American Truck Centers in OKC, and...

Condition	Used
Usage	6,422 Hours
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	12 Speed Autoshift Automatic
Sleeper Type	Mid Roof Sleeper
Sleeper Size	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	OK10383
MLS Number	13612008
Category	Sleeper Semi Trucks
Last Updated	7/25/2025
Location	Oklahoma City, OK, US
Sold By	Michelle Sells Trucks

(844) 956-___ SHOW
NUMBERCall Seller

106 2

2022 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 500HP, 12 Speed Endurant Amt

Recently Updated

$69,500 USD

((((SALE PENDING)))) Cummins X15 6 Cylinder 15 L Ultra Low Sulfur Diesel 500 HP Engine, 2021 US EPA Label, Requires Diesel Exhaust Fluid, 120 gal Left Fuel Tank 150 gal Right Fuel Tank, Dual...

Condition	Used
Usage	583,141 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	76"
Suspension	AG 400L
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	D2679
MLS Number	13604411
Category	Sleeper Semi Trucks
Last Updated	7/30/2025
Location	West Sacramento, CA, US
Sold By	DeWald Equipment

(855) 605-___ SHOW
NUMBERCall Seller

17 0

2019 Kenworth T880 Day Cab Truck - Cummins 450HP, 12 Speed Endurant Amt

Recently Updated

$45,950 USD

Call for rental/lease prices

X15 Cummins, 450 HP, Eaton 12 speed auto shift, 8 bag suspension. Very clean nice trucks. THIS ITEM AVIALABLE FOR RENT IN MONTANA ONLY,

Condition	Used
Usage	581,725 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Suspension	8 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	BTS2543
MLS Number	13181665
Category	Day Cab Semi Trucks
Last Updated	7/25/2025
Location	Great Falls, MT, US
Sold By	Bouma Truck Sales

(239) 451-___ SHOW
NUMBERCall Seller

28 0

2025 Kenworth T680 Day Cab Truck - Cummins 450HP, 12 Speed Endurant Automatic

Recently Updated

$148,497 USD

Transfer this unit to your nearest South Florida location at no additional cost! Fort Lauderdale, Fort Pierce, Riviera Beach, or Naples. Contact us for details! Model year: 2025 Model:...

Condition	New
Usage	1,248 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.55 ratio
Stock Number	KF129206
MLS Number	12741315
Category	Day Cab Semi Trucks
Last Updated	7/25/2025
Location	Naples, FL, US
Sold By	All Roads Trucks

(855) 906-___ SHOW
NUMBERCall Seller

30 0

2020 Kenworth T680 Day Cab Truck - Paccar 405HP, 12 Speed Automatic

Recently Updated

Call for price

Paccar MX-13 (485HP), Engine Brake, Paccar PO-16F112 12-Speed Automatic Transmission, Paccar 38,000# Dual Rear Drive Axles (3.25 Ratio), Flex Air Suspension w/ Dash Deflate Switch, 12,350#...

Condition	Used
Usage	9,208 Hours
Duty Class	Heavy Duty Day Cab Truck
Horse Power	405 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	12 Speed Automatic
Suspension	Flex Air
Rear Axle	Tandem Axle
Rear End	38,000 lb 3.25 ratio
Stock Number	E17858
MLS Number	12446860
Category	Day Cab Semi Trucks
Last Updated	7/25/2025
Location	Healdsburg, CA, US
Sold By	Opperman & Son, Inc.

28 0

2021 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Paccar 455HP, 12 Speed Endurant Amt

$32,000 USD

NICE TRUCK, RUNS EXCELLENT, FLEET MAINTAINED, power windows, power mirrors, heated mirrors, differential lock, double bunk, dump valve, sliding 5th wheel! *LOW MILEAGE!,

Condition	Used
Usage	485,991 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	21MX485T680
MLS Number	13720470
Category	Sleeper Semi Trucks
Last Updated	7/24/2025
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

33 0

2021 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Paccar 455HP, 12 Speed Endurant Amt

$32,000 USD

NICE TRUCK, RUNS EXCELLENT, FLEET MAINTAINED, power windows, power mirrors, heated mirrors, differential lock, double bunk, dump valve, sliding 5th wheel!,

Condition	Used
Usage	488,958 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	21MX488T680
MLS Number	13720449
Category	Sleeper Semi Trucks
Last Updated	7/24/2025
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

14 0

2021 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Paccar 455HP, 12 Speed Endurant Amt

$28,000 USD

NICE TRUCK, RUNS EXCELLENT, FLEET MAINTAINED, power windows, power mirrors, heated mirrors, differential lock, double bunk, dump valve, sliding 5th wheel!,

Condition	Used
Usage	608,762 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	21MX608T680
MLS Number	13699286
Category	Sleeper Semi Trucks
Last Updated	7/24/2025
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

6 0

2021 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Paccar 455HP, 12 Speed Endurant Amt

$30,000 USD

GOOD TRUCK, RUNS EXCELLENT, FLEET MAINTAINED, power windows, power mirrors, heated mirrors, differential lock, double bunk, dump valve, sliding 5th wheel!,

Condition	Used
Usage	534,020 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	21MX534T680
MLS Number	13696456
Category	Sleeper Semi Trucks
Last Updated	7/24/2025
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales