Heavy Duty Peterbilt Dump Trucks For Sale

Your Current Search

Industry
Trucks

Category
Dump Trucks

Manufacturer
Peterbilt

GVWR Category
Heavy Duty

Click the to remove the filter.

Save Search

Email Alert

What's Save Search and Email Alert?

Narrow Your Search

Keyword Search

Search within the selected criteria

Industry

2017 Peterbilt 567 Tri Axle Dump Truck - Paccar 430HP, 6 Speed Allison Rds Automatic, 17' Dump

$169,900 USD

Triaxle, 17' Rogers Steel Dump w/50" Sides, MX13 Paccar 430 HP, Allison Automatic 6 Speed, 4.33 Ratio, 3 Stage Engine Brake, HaulMaax, Double Frame, 20K FA, 44K RA, 12,350 Steerable L/S, 226...

Condition	Used
Usage	321,476 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	Rogers
Bed Length	17 ft.
Horse Power	430 HP
Engine Model	Paccar MX-13
Transmission	6 Speed Allison RDS Automatic
Suspension	HaulMaax
Rear Axle	Tri Axle
Rear End	4.33 ratio
Stock Number	HD423252
MLS Number	12676554
Category	Dump Trucks
Last Updated	4/18/2024
Location	Chatham, VA, US
Sold By	J&J Truck Sales

(844) 305-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

8 0

2017 Peterbilt 567 Tri Axle Dump Truck - Paccar 430HP, 6 Speed Allison Rds Automatic

$169,900 USD

2017 Peterbilt 567 --- Tri Axle, MX13 PACCAR 430 HP, Allison Automatic 6 Speed, 4.33 Ratio, 20,000 Front Axle, 44,000 Rear Axle, 226" Wheelbase, 21' 2" Bridge, Hendrickson Haulmaax, Double...

Quantity	11
Condition	Used
Usage	14,768 Hours
Duty Class	Heavy Duty Dump Truck
Upfit Make	Rogers
Horse Power	430 HP
Engine Model	Paccar MX-13
Transmission	6 Speed Allison RDS Automatic
Suspension	HaulMaax
Rear Axle	Tri Axle
Rear End	44,000 lb 4.33 ratio
Stock Number	423252
MLS Number	12676367
Category	Dump Trucks
Last Updated	4/18/2024
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

(855) 804-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

11 0

2017 Peterbilt 567 Tri Axle Dump Truck - Paccar 430HP, 6 Speed Allison Rds Automatic

$169,900 USD

2017 Peterbilt 567 --- Tri Axle, MX13 PACCAR 430 HP, Allison Automatic 6 Speed, 4.33 Ratio, 20,000 Front Axle, 44,000 Rear Axle, 226" Wheelbase, 21' 2" Bridge, Hendrickson Haulmaax, Double...

Quantity	11
Condition	Used
Usage	14,472 Hours
Duty Class	Heavy Duty Dump Truck
Upfit Make	Rogers
Horse Power	430 HP
Engine Model	Paccar MX-13
Transmission	6 Speed Allison RDS Automatic
Suspension	HaulMaax
Rear Axle	Tri Axle
Rear End	44,000 lb 4.33 ratio
Stock Number	360573
MLS Number	12676365
Category	Dump Trucks
Last Updated	4/18/2024
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

(855) 804-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

13 0

2017 Peterbilt 567 Tri Axle Dump Truck - Paccar 430HP, Automatic

$169,900 USD

Triaxle, 17' Rogers Steel Dump w/50" Sides, MX13 Paccar 430 HP, Allison Automatic 6 Speed, 4.33 Ratio, 3 Stage Engine Brake, HaulMaax, Double Frame, 20K FA, 44K RA, 12,350 Steerable L/S, 226...

Condition	Used
Usage	358,619 Miles
Duty Class	Heavy Duty Dump Truck
Horse Power	430 HP
Transmission	Automatic
Suspension	HaulMaax
Rear Axle	Tri Axle
Rear End	44,000 lb
Stock Number	HD360572
MLS Number	12666597
Category	Dump Trucks
Last Updated	7/23/2024
Location	Chatham, VA, US
Sold By	J&J Truck Sales

(844) 305-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

12 0

2017 Peterbilt 567 Dump Truck - Paccar 430HP, Automatic

$169,900 USD

Triaxle, 17' Rogers Steel Dump w/50" Sides, MX13 Paccar 430 HP, Allison Automatic 6 Speed, 4.33 Ratio, 3 Stage Engine Brake, HaulMaax, Double Frame, 20K FA, 44K RA, 12,350 Steerable L/S, 226...

Condition	Used
Usage	323,801 Miles
Duty Class	Heavy Duty Dump Truck
Horse Power	430 HP
Transmission	Automatic
Suspension	HaulMaax
Rear End	44,000 lb
Stock Number	HD360565
MLS Number	12666595
Category	Dump Trucks
Last Updated	4/18/2024
Location	Chatham, VA, US
Sold By	J&J Truck Sales

(844) 305-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

14 0

2017 Peterbilt 567 Tri Axle Dump Truck - Paccar 430HP, 6 Speed Allison Rds Automatic

$169,900 USD

2017 Peterbilt 567 --- Tri Axle, MX13 PACCAR 430 HP, Allison Automatic 6 Speed, 4.33 Ratio, 20,000 Front Axle, 44,000 Rear Axle, 226" Wheelbase, 21' 2" Bridge, Hendrickson Haulmaax, Double...

Quantity	11
Condition	Used
Usage	358,619 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	Rogers
Horse Power	430 HP
Engine Model	Paccar MX-13
Transmission	6 Speed Allison RDS Automatic
Suspension	HaulMaax
Rear Axle	Tri Axle
Rear End	44,000 lb 4.33 ratio
Stock Number	360572
MLS Number	12666591
Category	Dump Trucks
Last Updated	7/23/2024
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

(855) 804-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

8 0

2017 Peterbilt 567 Tri Axle Dump Truck - Paccar 430HP, 6 Speed Allison Rds Automatic

$169,900 USD

2017 Peterbilt 567 --- Tri Axle, MX13 PACCAR 430 HP, Allison Automatic 6 Speed, 4.33 Ratio, 20,000 Front Axle, 44,000 Rear Axle, 226" Wheelbase, 21' 2" Bridge, Hendrickson Haulmaax, Double...

Quantity	11
Condition	Used
Usage	323,801 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	Rogers
Horse Power	430 HP
Engine Model	Paccar MX-13
Transmission	6 Speed Allison RDS Automatic
Suspension	HaulMaax
Rear Axle	Tri Axle
Rear End	44,000 lb 4.33 ratio
Stock Number	360565
MLS Number	12666586
Category	Dump Trucks
Last Updated	4/18/2024
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

(855) 804-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

9 0

2017 Peterbilt 567 Tri Axle Dump Truck - Paccar 430HP, 6 Speed Allison Rds Automatic, 17' Dump

$169,900 USD

Tri Axle, MX13 PACCAR 430 HP, Allison Automatic 6 Speed, 4.33 Ratio, 20,000 Front Axle, 44,000 Rear Axle, 226" Wheelbase, 21' 2" Bridge, Hendrickson Haulmaax, Double Frame, 3 Stage Engine...

Condition	Used
Usage	331,342 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	Rogers
Bed Length	17 ft.
Horse Power	430 HP
Engine Model	Paccar MX-13
Transmission	6 Speed Allison RDS Automatic
Suspension	HaulMaax
Rear Axle	Tri Axle
Rear End	4.33 ratio
Stock Number	HD423251
MLS Number	12662597
Category	Dump Trucks
Last Updated	4/18/2024
Location	Chatham, VA, US
Sold By	J&J Truck Sales

(844) 305-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

16 0

2017 Peterbilt 567 Tri Axle Dump Truck - Paccar 430HP, 6 Speed Allison Rds Automatic

$169,900 USD

2017 Peterbilt 567 --- Tri Axle, MX13 PACCAR 430 HP, Allison Automatic 6 Speed, 4.33 Ratio, 20,000 Front Axle, 44,000 Rear Axle, 226" Wheelbase, 21' 2" Bridge, Hendrickson Haulmaax, Double...

Condition	Used
Usage	13,642 Hours
Duty Class	Heavy Duty Dump Truck
Upfit Make	Rogers
Horse Power	430 HP
Engine Model	Paccar MX-13
Transmission	6 Speed Allison RDS Automatic
Suspension	HaulMaax
Rear Axle	Tri Axle
Rear End	44,000 lb 4.33 ratio
Stock Number	423251
MLS Number	12662483
Category	Dump Trucks
Last Updated	4/18/2024
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

(855) 804-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

15 0

2017 Peterbilt 567 Tri Axle Dump Truck - Paccar 430HP, 6 Speed Allison Rds Automatic

$169,900 USD

2017 Peterbilt 567 --- Tri Axle, MX13 PACCAR 430 HP, Allison Automatic 6 Speed, 4.33 Ratio, 20,000 Front Axle, 44,000 Rear Axle, 226" Wheelbase, 21' 2" Bridge, Hendrickson Haulmaax, Double...

Condition	Used
Usage	357,714 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	Rogers
Horse Power	430 HP
Engine Model	Paccar MX-13
Transmission	6 Speed Allison RDS Automatic
Suspension	HaulMaax
Rear Axle	Tri Axle
Rear End	44,000 lb 4.33 ratio
Stock Number	423468
MLS Number	12656014
Category	Dump Trucks
Last Updated	4/25/2024
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

(855) 804-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

12 0

2017 Peterbilt 567 Tri Axle Dump Truck - Paccar 430HP, 6 Speed Allison Rds Automatic, 17' Dump

$169,900 USD

Triaxle, 17' Rogers Steel Dump w/50" Sides, MX13 Paccar 430 HP, Allison Automatic 6 Speed, 4.33 Ratio, 3 Stage Engine Brake, HaulMaax, Double Frame, 20K FA, 44K RA, 12,350 Steerable L/S, 226...

Condition	Used
Usage	326,614 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	Rogers
Bed Length	17 ft.
Horse Power	430 HP
Engine Model	Paccar MX-13
Transmission	6 Speed Allison RDS Automatic
Suspension	HaulMaax
Rear Axle	Tri Axle
Rear End	4.33 ratio
Stock Number	HD423474
MLS Number	12655100
Category	Dump Trucks
Last Updated	4/18/2024
Location	Chatham, VA, US
Sold By	J&J Truck Sales

(844) 305-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

15 0

2017 Peterbilt 567 Tri Axle Dump Truck - Paccar 430HP, 6 Speed Allison Rds Automatic, 17' Dump

$169,900 USD

Triaxle, 17' Rogers Steel Dump w/50" Sides, MX13 Paccar 430 HP, Allison Automatic 6 Speed, 4.33 Ratio, 3 Stage Engine Brake, HaulMaax, Double Frame, 20K FA, 44K RA, 12,350 Steerable L/S, 226...

Condition	Used
Usage	357,714 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	Rogers
Bed Length	17 ft.
Horse Power	430 HP
Engine Model	Paccar MX-13
Transmission	6 Speed Allison RDS Automatic
Suspension	HaulMaax
Rear Axle	Tri Axle
Rear End	4.33 ratio
Stock Number	HD423468
MLS Number	12655093
Category	Dump Trucks
Last Updated	4/24/2024
Location	Chatham, VA, US
Sold By	J&J Truck Sales

(844) 305-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

52 0

2020 Peterbilt 567, NEW HARDOX 450 Dump Body, Jake break, Diff lock - Traction control.

$128,900 USD

SPECIAL ADDITION* (100th Anniversary) Cummins ISX-15 engine, 500 H.P., 1,850 ft-lb Torque at 1,000 R.P.M. Automatic 13-speed Eaton transmission with Ultra Shift Plus Overdrive, Air-leaf sus....

Warranty

Condition	Used
Usage	12,741 Hours
Duty Class	Heavy Duty Dump Truck
Upfit Type	Dump Body
Bed Length	18 ft.
Horse Power	500 HP
Engine Model	Cummins ISX 15
Drivetrain	6x4
Transmission	13 Speed Ultrashift Plus Automatic
Suspension	Air Leaf
Rear Axle	Tri Axle
Rear End	40,000 lb
Stock Number	665307
MLS Number	12649948
Category	Dump Trucks
Last Updated	9/9/2024
Location	Midvale, UT, US
Sold By	MTS Utah, Inc.

(844) 445-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

21 0

2024 Peterbilt 567 Dump Truck - Cummins 500HP

2019 Peterbilt 567 Tri Axle Dump Truck - Paccar 455HP, 8Ll Manual, 19.5' Dump

$119,900 USD

Trade in from well maintained fleet, Inspection door, Frt. Rear inspection ladders, 20K fixed pusher,

Condition	Used
Usage	383,757 Miles
Duty Class	Heavy Duty Dump Truck
Bed Length	19.5
Horse Power	455 HP
Drivetrain	8x4
Transmission	8LL Manual
Suspension	Air Trac
Rear Axle	Tri Axle
Rear End	53,280 lb 3.70 ratio
Stock Number	102531
MLS Number	12436444
Category	Dump Trucks
Last Updated	8/29/2024
Location	Butler, PA, US
Sold By	Hunter Truck

(833) 970-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

21 0

2025 Peterbilt 567 Five Axle Dump Truck - Cummins 525HP, 6 Speed Allison Rds Automatic, 18' Dump

$274,900 USD

2025 Peterbilt 567 --- Quad Axle, X-15 Cummins 525 HP, Allison Automatic 6 Speed, 4.56 Ratio, 20,000 Front Axle, 46,000 Rear Axle, 256" Wheelbase, 23' 7" Bridge, Hendrickson Haulmaax, Thick...

Quantity	7
Condition	Used
Usage	1,630 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	Load King
Bed Length	18 ft.
Horse Power	525 HP
Engine Model	Cummins X15
Drivetrain	10x4
Transmission	6 Speed Allison RDS Automatic
Suspension	HaulMaax
Rear Axle	Quad Axle
Rear End	46,000 lb
Stock Number	713746
MLS Number	12419641
Category	Dump Trucks
Last Updated	9/4/2024
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

(855) 804-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

19 0

2022 Peterbilt 567 Dump Truck - Paccar 510HP, 18 Speed Ultrashift Automatic, 17' Dump

$239,900 USD

Tandem Axle, MX13 PACCAR 510 HP, Eaton-Fuller Automatic 18 Speed, 4.56 Ratio, 22,000 Front Axle, 52,000 Rear Axle, 231" Wheelbase, 21' 6" Bridge, Chalmers, 3 Stage Engine Brake, Air Brake,...

Condition	Used
Usage	48,102 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	Air-Flo
Bed Length	17 ft.
Horse Power	510 HP
Engine Model	Paccar MX-13
Transmission	18 Speed Ultrashift Automatic
Suspension	Chalmers
Rear Axle	Tandem Axle
Rear End	52,000 lb 4.56 ratio
Stock Number	820668
MLS Number	12299690
Category	Dump Trucks
Last Updated	5/11/2024
Location	Chatham, VA, US
Sold By	J&J Truck Sales

(844) 305-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

21 0

2022 Peterbilt 567 Dump Truck - Paccar 510HP, 18 Speed Automatic

$239,900 USD

2022 Peterbilt 567 --- Tandem Axle, MX13 PACCAR 510 HP, Eaton-Fuller Automatic 18 Speed, 4.56 Ratio, 22,000 Front Axle, 52,000 Rear Axle, 231" Wheelbase, 21' 6" Bridge, Chalmers, 3 Stage...

Condition	Used
Usage	1,670 Hours
Duty Class	Heavy Duty Dump Truck
Upfit Make	Air-Flo
Horse Power	510 HP
Engine Model	Paccar MX-13
Drivetrain	6x4
Transmission	18 Speed Ultrashift Plus Automatic
Suspension	Chalmers
Rear Axle	Tandem Axle
Rear End	52,000 lb 4.56 ratio
Stock Number	820668
MLS Number	12299685
Category	Dump Trucks
Last Updated	5/16/2024
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

(855) 804-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

16 0

2021 Peterbilt 567 Tri Axle Dump Truck - Paccar 455HP, 10 Speed Ultrashift Plus Amt, 16' Dump

$229,900 USD

Triaxle, 16' Bibeau Steel Dump w/48" Sides, MX13 Paccar 455 HP, Eaton Ultrashift Plus 10 Speed, 4.10 Ratio, 3 Stage Engine Brake, HaulMaax, 20K FA, 46K RA, Steerable L/A, 222" WB, 20'10"...

Quantity	2
Condition	Used
Usage	4,346 Hours
Duty Class	Heavy Duty Dump Truck
Bed Length	16 ft.
Horse Power	455 HP
Engine Model	Paccar MX-13
Drivetrain	8x4
Transmission	10 Speed Ultrashift Plus Automated
Suspension	HaulMaax
Rear Axle	Tri Axle
Rear End	46,000 lb 4.10 ratio
Stock Number	717708
MLS Number	12284902
Category	Dump Trucks
Last Updated	5/16/2024
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

(855) 804-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

18 0

2021 Peterbilt 567 Tri Axle Dump Truck - Paccar 455HP, 10 Speed Ultrashift Plus Amt, 16' Dump

$229,900 USD

Triaxle, 16' Rowe Steel Dump w/48" Sides, MX13 Paccar 455 HP, Eaton Ultrashift Plus 10 Speed, 4.10 Ratio, 3 Stage Engine Brake, HaulMaax, 20K FA, 46K RA, Steerable L/A, 222" WB, 20'10"...

Quantity	2
Condition	Used
Usage	4,069 Hours
Duty Class	Heavy Duty Dump Truck
Bed Length	16 ft.
Horse Power	455 HP
Engine Model	Paccar MX-13
Drivetrain	8x4
Transmission	10 Speed Ultrashift Plus Automated
Suspension	HaulMaax
Rear Axle	Tri Axle
Rear End	46,000 lb 4.10 ratio
Stock Number	717706
MLS Number	12284897
Category	Dump Trucks
Last Updated	5/16/2024
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

(855) 804-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

15 0

2021 Peterbilt 567 Tri Axle Dump Truck - Paccar 455HP, 10 Speed Ultrashift Plus Automatic, 16' Dump

$229,900 USD

Triaxle, 16' Bibeau Steel Dump w/48" Sides, MX13 Paccar 455 HP, Eaton Ultrashift Plus 10 Speed, 4.10 Ratio, 3 Stage Engine Brake, HaulMaax, 20K FA, 46K RA, Steerable L/A, 222" WB, 20'10"...

Condition	Used
Usage	4,346 Hours
Duty Class	Heavy Duty Dump Truck
Upfit Make	Bibeau
Bed Length	16 ft.
Horse Power	455 HP
Engine Model	Paccar MX-13
Transmission	10 Speed Ultrashift Plus Automatic
Suspension	HaulMaax
Rear Axle	Tri Axle
Rear End	4.10 ratio
Stock Number	717708
MLS Number	12284888
Category	Dump Trucks
Last Updated	5/11/2024
Location	Chatham, VA, US
Sold By	J&J Truck Sales

(844) 305-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

5 0

2017 Peterbilt 567 Tri Axle Dump Truck - Paccar 430HP, 8Ll Manual, 16' Dump

$100,000 USD

nice truck, runs great, clean, cab, nice bed, air gate, electric tarp, full locking rears, power windows, power door locks, power mirrors, heated mirrors, VERY NICE TRUCK,

Condition	Used
Usage	432,755 Miles
Duty Class	Heavy Duty Dump Truck
Bed Length	16 ft.
Horse Power	430 HP
Engine Model	Paccar MX-13
Drivetrain	8x4
Transmission	8LL Manual
Suspension	Chalmers
Rear Axle	Tri Axle
Rear End	46,000 lb
Stock Number	17MX432PETETRIDUMP
MLS Number	12181964
Category	Dump Trucks
Last Updated	4/10/2024
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

(833) 801-___ SHOW
NUMBERCall Seller

Email Seller

Save

More Info

13 0

2017 Peterbilt 567 Dump Truck - Paccar 430HP, Automatic, 20' Dump

$139,950 USD

Used Peterbilt 567 SFA Quad-axle Dump Truck for sale. Features: 20 ft. JJ Aluminum Dump Body, Full Double Frame, High Lift Tailgate (air operated), (2) 11,020 lb. Steerable Lift Axles,...

Condition	Used
Usage	13,493 Hours
Duty Class	Heavy Duty Dump Truck
Upfit Make	J&J
Bed Length	20 ft.
Horse Power	430 HP
Engine Model	Paccar MX-11
Drivetrain	6x4
Transmission	Allison RDS Automatic
Suspension	Hendrickson HMX460
Rear Axle	Tandem Axle
Rear End	46,000 lb
Stock Number	22P363
MLS Number	11999413
Category	Dump Trucks
Last Updated	9/21/2023
Location	Coopersburg, PA, US
Sold By	Coopersburg & Liberty Kenworth

(855) 642-___ SHOW
NUMBERCall Seller

What's Save Search and Email Alert?

Want to narrow or modify your search criteria?

Did you find what you were looking for? Yes No

Got a Peterbilt dump truck to sell? In minutes, you can create an online listing for your dump truck and advertise it to thousands of buyers.

Start selling today

Condition	New
Usage	6 Hours
Duty Class	Heavy Duty Dump Truck
Horse Power	500 HP
Engine Model	Cummins ISX
Rear Axle	Tandem Axle
Rear End	46,000 lb 3.91 ratio
Stock Number	RD669833
MLS Number	12486192
Category	Dump Trucks
Last Updated	9/7/2024
Location	London, ON, Canada
Sold By	Brandt

J&J Truck Sales

Atkinson Truck Sales

Atkinson Truck Sales

J&J Truck Sales

J&J Truck Sales

Atkinson Truck Sales

Atkinson Truck Sales

J&J Truck Sales

Atkinson Truck Sales

Atkinson Truck Sales

J&J Truck Sales

J&J Truck Sales

MTS Utah, Inc.

Brandt

Brandt

Brandt

Hunter Truck

Atkinson Truck Sales

J&J Truck Sales

Atkinson Truck Sales

Atkinson Truck Sales

Atkinson Truck Sales

J&J Truck Sales

Don Baskin Truck Sales

Coopersburg & Liberty Kenworth