18 Speed Automatic Trucks with Cummins Engines For Sale

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2025 Kenworth T880 Tri Axle Dump Truck - Cummins 500HP, 18 Speed Endurant Automatic, 16' Dump

$234,900 USD

Tri Axle, X15 Cummins 500 HP, EATON ENDURANT Automatic 18 Speed, 4.30 Ratio, 20,000 Front Axle, 46,000 Rear Axle, 214" Wheelbase, 20' 1" Bridge, Chalmers, Double Frame, 3 Stage Engine Brake,...

Condition	Used
Usage	4,828 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	Ox Bodies
Bed Length	16 ft.
Horse Power	500 HP
Engine Model	Cummins X15
Transmission	18 Speed Endurant Automatic
Suspension	Chalmers
Rear Axle	Tri Axle
Rear End	4.30 ratio
Stock Number	SJ173059
MLS Number	13655155
Category	Dump Trucks
Last Updated	7/2/2025
Location	Chatham, VA, US
Sold By	J&J Truck Sales

(844) 883-___ SHOW
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2016 Peterbilt 579 Tandem Axle Highway with 72in Sleeper Cab

$63,500 USD

Stock #:5216, Exterior Colour:White, Engine:Cummins ISX, Horsepower:500, Transmission:18 Spd Auto, Front Axle:13,200, Rear Axle:Super 40’s, Gear Ratio: 3.73, Frame:3/8, Brakes:Jake,...

Condition	Used
Usage	303,000 Miles
Horse Power	500 HP
Engine Model	Cummins ISX
Transmission	18 Speed Automatic
Sleeper Size	72"
Suspension	Air Trac
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.73 ratio
Stock Number	5216
MLS Number	12522130
Category	Sleeper Semi Trucks
Last Updated	6/27/2025
Location	Blaine, WA, US
Sold By	International Machinery

(844) 693-___ SHOW
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20 0

2019 Peterbilt 389 Sleeper Semi Truck - 58" Flat Top Sleeper, Cummins 605HP, 18 Speed Automatic

Recently Updated

$119,950 USD

58" FLAT TOP SLEEPER, CUMMINS X15, 18 SPEED AUTO, 605HP, 2 LINE WET KIT PTO, FULL LOCKERS, BLOCKED 5TH WHEEL, Ready to hit the road and go to work! First Class 8 Truck Sales is a...

Condition	Used
Usage	562,404 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	605 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	18 Speed Automatic
Sleeper Type	Flat Top Sleeper
Sleeper Size	58"
Suspension	Air Ride
Rear End	40,000 lb
Stock Number	365
MLS Number	13662837
Category	Sleeper Semi Trucks
Last Updated	7/21/2025
Location	Belvidere, IL, US
Sold By	First Class 8 Truck Sales

(855) 984-___ SHOW
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26 0

2025 Kenworth W990 Day Cab Truck - Cummins 500HP, 18 Speed Endurant Automatic

Price Drop

$164,395 USD

Transfer this unit to your nearest Maryland/Delaware location at no additional cost! Baltimore, Bel Air, Dover, Landover, Mardela Springs, Upper Marlboro or Westminster. Contact us for...

Condition	New
Usage	932 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	18 Speed Endurant Automatic
Suspension	AG 400
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.70 ratio
Stock Number	KN126263
MLS Number	12917414
Category	Day Cab Semi Trucks
Last Updated	7/21/2025
Location	Mardela Springs, MD, US
Sold By	All Roads Trucks

(844) 624-___ SHOW
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22 0

2018 Kenworth T680 Sleeper Semi Truck - 72" Mid Roof Sleeper, Cummins 400HP, 12 Speed Ultrashift Automatic

Recently Updated

$42,950 USD

Looking for a reliable, feature packed truck that won't break the bank? Your search ends here! Presenting a truly exceptional 2018 Kenworth T680 that's ready to hit the road and elevate your...

Condition	Used
Usage	574,507 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	18 Speed Ultrashift Automatic
Sleeper Type	Mid Roof Sleeper
Sleeper Size	76"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	38,000 lb 2.64 ratio
Stock Number	MO10176A
MLS Number	13607048
Category	Sleeper Semi Trucks
Last Updated	7/19/2025
Location	Oklahoma City, OK, US
Sold By	Michelle Sells Trucks

(844) 624-___ SHOW
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22 0

2018 Kenworth T680 Sleeper Semi Truck - Mid Roof Sleeper, Cummins 400HP, Automatic

Recently Updated

$42,950 USD

For sale: a vibrant yellow 2018 Kenworth T680, powered by a reliable Cummins X15 engine with up to 450 HP and a 18-speed Eaton transmission. This well-maintained truck, with ~574,000 miles,...

Condition	Used
Usage	574,507 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	18 Speed Ultrashift Automatic
Sleeper Type	Mid Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	MO10176A
MLS Number	13590801
Category	Sleeper Semi Trucks
Last Updated	7/19/2025
Location	Commerce City, CO, US
Sold By	Michelle Sells Trucks

(844) 624-___ SHOW
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22 0

2018 Kenworth T680 Sleeper Semi Truck - Mid Roof Sleeper, Cummins 400HP, Automatic

Recently Updated

$42,950 USD

For sale: a vibrant yellow 2018 Kenworth T680, powered by a reliable Cummins X15 engine with up to 450 HP and a 18-speed Eaton transmission. This well-maintained truck, with ~574,000 miles,...

Condition	Used
Usage	574,507 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	18 Speed Ultrashift Automatic
Sleeper Type	Mid Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	38,000 lb 2.64 ratio
Stock Number	MO10176A
MLS Number	13590784
Category	Sleeper Semi Trucks
Last Updated	7/19/2025
Location	Kansas City, MO, US
Sold By	Michelle Sells Trucks

(855) 906-___ SHOW
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54 0

2018 Kenworth T800 Roll Off Truck - Cummins, 500HP, 18 Speed Automatic

$139,500 USD

2018 KENWORTH T800 3-AXLE, Cummins X15 (500 HP), Engine Brake, Eaton Fuller FO18E318B-MXP 18-Speed Automatic Transmission, RT46-160P 46,000# Dual Drive Rear Axles (3.91 Ratio), Double...

Condition	Used
Usage	16,376 Hours
Duty Class	Heavy Duty Roll Off Truck
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	6x4
Transmission	18 Speed Automatic
Suspension	8 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	46,000 lb 3.91 ratio
Stock Number	E17330
MLS Number	13552543
Category	Roll Off Trucks
Last Updated	7/10/2025
Location	Healdsburg, CA, US
Sold By	Opperman & Son, Inc.

(833) 970-___ SHOW
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11 0

2026 Peterbilt 567 Tri Axle Sleeper Semi Truck - 72" Raised Roof Sleeper, Cummins 565HP, 18 Speed Endurant Automatic

$249,000 USD

NEW 2026 PETERBILT 567 HEAVY SLEEPER! 72" RAISED ROOF SLEEPER, POWERED WITH CUMMINS X15 ENGINE AND EATON-FULLER AUTOMATIC TRANSMISSION. FRONT AXLE RATING OF 20,000LBS, 46,000LBS REAR AXLE,...

Condition	New
Usage	1,319 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	565 HP
Engine Model	Cummins X15
Drivetrain	8x4
Transmission	18 Speed Endurant Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Air Trac
Rear Axle	Tri Axle
Rear End	46,000 lb 4.10 ratio
Stock Number	281830
MLS Number	13688086
Category	Sleeper Semi Trucks
Last Updated	7/9/2025
Location	Butler, PA, US
Sold By	Hunter Truck

(855) 807-___ SHOW
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69 0

2023 Kenworth T880 Tri Axle Sleeper Semi Truck - 52" Mid Roof Sleeper, Cummins 565HP, 18 Speed Ultrashift Automatic

$104,500 USD

HEAVY SPEC AUTOMATIC! 2023 KENWORTH T880! CUMMINS 565HP, EATON 18 SPEED AUTO TRANSMISSION, FULL LOCKERS, DOUBLE FRAMED, TRI AXLE, PUMP AND PTO, 14,320 FAW, 73,520GVWR, 13K PUSH AXLE, HEAVY...

Condition	Used
Usage	330,882 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	565 HP
Engine Model	Cummins X15
Drivetrain	8x4
Transmission	18 Speed Ultrashift Automatic
Sleeper Type	Mid Roof Sleeper
Sleeper Size	52"
Suspension	AG 460
Rear Axle	Tri Axle
Rear End	59,200 lb 3.73 ratio
Stock Number	7012
MLS Number	13660244
Category	Sleeper Semi Trucks
Last Updated	7/1/2025
Location	Houston, TX, US
Sold By	Southern Truck Sales Ltd

(855) 804-___ SHOW
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7 0

2025 Kenworth T880 Tri Axle Dump Truck - Cummins 500HP, 18 Speed Endurant Automatic, 16' Dump

$234,900 USD

2025 Kenworth T880 --- Tri Axle, X15 Cummins 500 HP, Eaton-Fuller ENDURANT XD PRO 18 Speed, 4.30 Ratio, 20,000 Front Axle, 46,000 Rear Axle, 214" Wheelbase, 20' 1" Bridge, Chalmers, Double...

Condition	Used
Usage	4,828 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	Ox Bodies
Bed Length	16 ft.
Horse Power	500 HP
Engine Model	Cummins X15
Drivetrain	8x4
Transmission	18 Speed Endurant Automatic
Suspension	Chalmers
Rear Axle	Tri Axle
Rear End	46,000 lb 4.30 ratio
Stock Number	173059
MLS Number	13652413
Category	Dump Trucks
Last Updated	6/28/2025
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

(855) 807-___ SHOW
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46 0

2023 Kenworth T880 Tri Axle Sleeper Semi Truck - 52" Mid Roof Sleeper, Cummins 565HP, 18 Speed Automatic

$129,500 USD

HEAVY SPEC AUTOMATIC! 2023 KENWORTH T880! CUMMINS 565HP, EATON 18 SPEED AUTO TRANSMISSION, FULL LOCKERS, DOUBLE FRAMED, TRI AXLE, PUMP AND PTO, 14,320 FAW, 73,520GVWR, 13K PUSH AXLE, HEAVY...

Condition	Used
Usage	243,796 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	565 HP
Engine Model	Cummins X15
Drivetrain	8x4
Transmission	18 Speed Ultrashift Automatic
Sleeper Type	Mid Roof Sleeper
Sleeper Size	52"
Suspension	AG 460
Rear Axle	Tri Axle
Rear End	59,200 lb 3.73 ratio
Stock Number	7013
MLS Number	13646550
Category	Sleeper Semi Trucks
Last Updated	7/1/2025
Location	Houston, TX, US
Sold By	Southern Truck Sales Ltd

(888) 365-___ SHOW
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7 0

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

$88,000 USD

Length: 35, Width: 102, Suspension Location: 3 Axle, 2 year Warranty, Dual Air Cleaner, Dual Exhaust,

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	6/26/2025
Location	Fontana, CA, US
Sold By	Great Western Trailer

(844) 305-___ SHOW
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14 0

2019 Kenworth T880 Day Cab Truck - Cummins 605HP, 18 Speed Ultrashift Automatic

$122,900 USD

Tandem Day Cab, X15 Cummins 605 HP, Eaton Ultrashift 18 Speed, 4.30 Ratio, 3 Stage Engine Brake, Air Ride, Double Frame, 14,600 FA, 46,000 RA, 200" WB, 227" Bridge, 2 Line Wet Kit, Aluminum...

Condition	Used
Usage	11,064 Hours
Duty Class	Heavy Duty Day Cab Truck
Horse Power	605 HP
Engine Model	Cummins X15
Transmission	18 Speed Ultrashift Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	46,000 lb 4.30 ratio
Stock Number	KJ291631
MLS Number	13523575
Category	Day Cab Semi Trucks
Last Updated	5/29/2025
Location	Chatham, VA, US
Sold By	J&J Truck Sales

(833) 970-___ SHOW
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10 0

2026 Peterbilt 567 5100 Gallon Water Truck - Cummins 565HP, 18 Speed Automatic

$277,000 USD

NEW 2026 PETERBILT 567 TANK BODY! 5100 U.S. GALLON CARBON STEEL VACCUM TANK. POWERED WITH CUMMINS X15 ENGINE, AND EATON FULLER AUTOMATIC TRANSMISSION. 20K FRONTS, 46K REARS, 20K PUSHER AXLE,...

Condition	New
Usage	1,467 Miles
Duty Class	Heavy Duty Water Truck
Horse Power	565 HP
Engine Model	Cummins X15
Drivetrain	8x4
Transmission	18 Speed Automatic
Suspension	Air Trac
Rear Axle	Tri Axle
Rear End	46,000 lb
Capacity	5100 Gallons
Stock Number	278917
MLS Number	13599647
Category	Water Trucks
Last Updated	5/29/2025
Location	Butler, PA, US
Sold By	Hunter Truck

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10 0

2026 Peterbilt 567 5100 Gallon Water Truck - Cummins 565HP, 18 Speed Automatic

$277,000 USD

NEW 2026 PETERBILT 567 TANK BODY! 5100 U.S GALLON CARBON STEEL VACUUM TANK, POWERED WITH CUMMINS X15 ENGINE, AND EATON FULLER AUTOMATIC TRANSMISSION. 20K FRONTS, 46K REARS, 20K PUSHER AXLE,...

Condition	New
Usage	1,467 Miles
Duty Class	Heavy Duty Water Truck
Horse Power	565 HP
Engine Model	Cummins X15
Drivetrain	8x4
Transmission	18 Speed Automatic
Suspension	Air Trac
Rear Axle	Tri Axle
Rear End	46,000 lb 4.10 ratio
Capacity	5100 Gallons
Stock Number	278916
MLS Number	13599635
Category	Water Trucks
Last Updated	5/29/2025
Location	Butler, PA, US
Sold By	Hunter Truck

(501) 279-___ SHOW
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1 0

2024 Peterbilt 389 Vacuum Truck - Iron-Vac 4200 Gallon Polished Aluminum Tank Tank Body

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2024 Peterbilt 389 525 Cummins Engine (525HP) 18 Speed Eaton Fuller Transmission 66k GVWR NVE 4310 Hydraulic Driven Blower (980CFM) 4200 Gallon Polished Aluminum Tank 80 Gallon Fuel...

Condition	New
Duty Class	Heavy Duty Vacuum Truck
Upfit Type	Tank Body
Upfit Make	Iron-Vac
Upfit Model	4200 Gallon Polished Aluminum Tank
Horse Power	525 HP
Engine Model	Cummins 525
Transmission	18 Speed Automatic
Capacity	4200 Gallons
MLS Number	12495382
Category	Vacuum Trucks
Last Updated	4/29/2025
Location	Searcy, AR, US
Sold By	SepticTrucks.com

(844) 819-___ SHOW
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20 0

2017 Kenworth T880 Dump Truck

$148,000 USD

2017 KENWORTH T880 Dump Truck, ***ONE OWNER***, 320,000 original miles, Cummins ISX12, Eaton 18-speed Automatic, Transmission Type- Ultra Shift, Number Of Speeds- 18 Spd, Engine Brake...

Condition	Used
Usage	320,000 Miles
Duty Class	Heavy Duty Dump Truck
Horse Power	385 HP
Engine Model	Cummins ISX12
Drivetrain	4x2
Transmission	18 Speed Ultrashift Automatic
Rear End	44,000 lb
MLS Number	13381775
Category	Dump Trucks
Last Updated	5/15/2025
Location	Southeast United States, US
Sold By	Carolina Used Machinery

(833) 300-___ SHOW
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40 1

2019 Kenworth W900L Sleeper Semi Truck - 70" Mid Roof Sleeper, Cummins 500HP, 18 Speed Ultrashift Automatic

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1004608 Miles, Engine: CUMMINS X15, 500 HP, Fuel Type: Diesel, 18 Speed Ultrashift Automatic Transmission, Air Ride Suspension, Sleeper Type: Mid Roof Sleeper, Sleeper Size: 70, Wheels: All...

Condition	Used
Usage	1,004,608 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	500 HP
Engine Model	Cummins X15
Transmission	18 Speed Ultrashift Automatic
Sleeper Type	Mid Roof Sleeper
Sleeper Size	70"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	46,000 lb
Stock Number	C-35014
MLS Number	12543451
Category	Sleeper Semi Trucks
Last Updated	11/8/2024
Location	Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By	Gamache Truck Center