18 Speed Automatic Trucks with Cummins Engines For Sale

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1-22 of 22 results
1-22 of 22 results
Featured Item
Kenworth T880 Tri Axle Dump Truck - Cummins 500HP, 18 Speed Endurant Automatic, 16' Dump
7 0

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,...
ConditionUsed
Usage4,828 Miles
Duty ClassHeavy Duty Dump Truck
Upfit MakeOx Bodies
Bed Length16 ft.
Horse Power500 HP
Engine ModelCummins X15
Transmission18 Speed Endurant Automatic
SuspensionChalmers
Rear AxleTri Axle
Rear End4.30 ratio
Stock NumberSJ173059
MLS Number13655155
CategoryDump Trucks
Last Updated7/2/2025
Location
Chatham, VA, US
Sold By

J&J Truck Sales

Featured Item
2016 Peterbilt 579 Tandem Axle Highway with 72in Sleeper Cab
14 1

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,...
ConditionUsed
Usage303,000 Miles
Horse Power500 HP
Engine ModelCummins ISX
Transmission18 Speed Automatic
Sleeper Size72"
SuspensionAir Trac
Rear AxleTandem Axle
Rear End40,000 lb 3.73 ratio
Stock Number5216
MLS Number12522130
CategorySleeper Semi Trucks
Last Updated6/27/2025
Location
Blaine, WA, US
Sold By

International Machinery

Peterbilt 389 Sleeper Semi Truck - 58" Flat Top Sleeper, Cummins 605HP, 18 Speed Automatic
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...
ConditionUsed
Usage562,404 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power605 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission18 Speed Automatic
Sleeper TypeFlat Top Sleeper
Sleeper Size58"
SuspensionAir Ride
Rear End40,000 lb
Stock Number365
MLS Number13662837
CategorySleeper Semi Trucks
Last Updated7/11/2025
Location
Belvidere, IL, US
Sold By

First Class 8 Truck Sales

Kenworth T800 Roll Off Truck - Cummins, 500HP, 18 Speed Automatic
54 0

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

Recently Updated
$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...
ConditionUsed
Usage16,376 Hours
Duty ClassHeavy Duty Roll Off Truck
Horse Power500 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission18 Speed Automatic
Suspension8 Bag Air Ride
Rear AxleTandem Axle
Rear End46,000 lb 3.91 ratio
Stock NumberE17330
MLS Number13552543
CategoryRoll Off Trucks
Last Updated7/10/2025
Location
Healdsburg, CA, US
Sold By

Opperman & Son, Inc.

Peterbilt 389 Sleeper Semi Truck - Cummins 605HP, 18 Speed Automatic
15 0

2023 Peterbilt 389 Sleeper Semi Truck - Cummins 605HP, 18 Speed Automatic

Newly Listed
$164,750 USD
Only 232,000 Original Miles ~ Cummins X15 ~ 605 HP ~ 18 Speed UltraShift ~ 14,320 Front / 46k Rears ~ Full Lockers ~ Wet Kit ~ Disc Brakes ~ One Owner ~ 10 Brand New Tires! ~ After Treatment...
ConditionUsed
Usage232,000 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power605 HP
Engine ModelCummins X15
Transmission18 Speed Ultrashift Automatic
SuspensionAir Trac
Rear AxleTandem Axle
Rear End46,000 lb 3.91 ratio
Stock Number849938
MLS Number13689961
CategorySleeper Semi Trucks
Last Updated7/15/2025
Location
Olive Branch, MS, US
Sold By

Truck Market

Peterbilt 567 Tri Axle Sleeper Semi Truck - 72" Raised Roof Sleeper, Cummins 565HP, 18 Speed Endurant Automatic
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,...
ConditionNew
Usage1,319 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power565 HP
Engine ModelCummins X15
Drivetrain8x4
Transmission18 Speed Endurant Automatic
Sleeper TypeRaised Roof Sleeper
Sleeper Size72"
SuspensionAir Trac
Rear AxleTri Axle
Rear End46,000 lb 4.10 ratio
Stock Number281830
MLS Number13688086
CategorySleeper Semi Trucks
Last Updated7/9/2025
Location
Butler, PA, US
Sold By

Hunter Truck

Kenworth W990 Day Cab Truck - Cummins 500HP, 18 Speed Endurant Automatic
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...
ConditionNew
Usage932 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power500 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission18 Speed Endurant Automatic
SuspensionAG 400
Rear AxleTandem Axle
Rear End40,000 lb 3.70 ratio
Stock NumberKN126263
MLS Number12917414
CategoryDay Cab Semi Trucks
Last Updated7/15/2025
Location
Mardela Springs, MD, US
Sold By

All Roads Trucks

Kenworth T680 Sleeper Semi Truck - 72" Mid Roof Sleeper, Cummins 400HP, 12 Speed Ultrashift Automatic
22 0

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

$44,950 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...
ConditionUsed
Usage574,507 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission18 Speed Ultrashift Automatic
Sleeper TypeMid Roof Sleeper
Sleeper Size76"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End38,000 lb 2.64 ratio
Stock NumberMO10176A
MLS Number13607048
CategorySleeper Semi Trucks
Last Updated7/4/2025
Location
Oklahoma City, OK, US
Sold By

Michelle Sells Trucks

Kenworth T680 Sleeper Semi Truck - Mid Roof Sleeper, Cummins 400HP, Automatic
22 0

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

$44,950 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,...
ConditionUsed
Usage574,507 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission18 Speed Ultrashift Automatic
Sleeper TypeMid Roof Sleeper
Sleeper Size72"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 2.64 ratio
Stock NumberMO10176A
MLS Number13590801
CategorySleeper Semi Trucks
Last Updated7/4/2025
Location
Commerce City, CO, US
Sold By

Michelle Sells Trucks

Kenworth T680 Sleeper Semi Truck - Mid Roof Sleeper, Cummins 400HP, Automatic
22 0

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

$44,950 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,...
ConditionUsed
Usage574,507 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission18 Speed Ultrashift Automatic
Sleeper TypeMid Roof Sleeper
Sleeper Size72"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End38,000 lb 2.64 ratio
Stock NumberMO10176A
MLS Number13590784
CategorySleeper Semi Trucks
Last Updated7/4/2025
Location
Kansas City, MO, US
Sold By

Michelle Sells Trucks

Kenworth T880 Tri Axle Sleeper Semi Truck - 52" Mid Roof Sleeper, Cummins 565HP, 18 Speed Ultrashift Automatic
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...
ConditionUsed
Usage330,882 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power565 HP
Engine ModelCummins X15
Drivetrain8x4
Transmission18 Speed Ultrashift Automatic
Sleeper TypeMid Roof Sleeper
Sleeper Size52"
SuspensionAG 460
Rear AxleTri Axle
Rear End59,200 lb 3.73 ratio
Stock Number7012
MLS Number13660244
CategorySleeper Semi Trucks
Last Updated7/1/2025
Location
Houston, TX, US
Sold By

Southern Truck Sales Ltd

Kenworth T880 Tri Axle Sleeper Semi Truck - 52" Mid Roof Sleeper, Cummins 565HP, 18 Speed Ultrashift Automatic
63 0

2023 Kenworth T880 Tri Axle Sleeper Semi Truck - 52" Mid Roof Sleeper, Cummins 565HP, 18 Speed Ultrashift 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...
ConditionUsed
Usage220,978 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power565 HP
Engine ModelCummins X15
Drivetrain8x4
Transmission18 Speed Ultrashift Automatic
Sleeper TypeMid Roof Sleeper
Sleeper Size52"
SuspensionAG 460
Rear AxleTri Axle
Rear End59,200 lb 3.73 ratio
Stock Number7017
MLS Number13660048
CategorySleeper Semi Trucks
Last Updated7/1/2025
Location
Houston, TX, US
Sold By

Southern Truck Sales Ltd

Kenworth T880 Tri Axle Dump Truck - Cummins 500HP, 18 Speed Endurant Automatic, 16' Dump
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...
ConditionUsed
Usage4,828 Miles
Duty ClassHeavy Duty Dump Truck
Upfit MakeOx Bodies
Bed Length16 ft.
Horse Power500 HP
Engine ModelCummins X15
Drivetrain8x4
Transmission18 Speed Endurant Automatic
SuspensionChalmers
Rear AxleTri Axle
Rear End46,000 lb 4.30 ratio
Stock Number173059
MLS Number13652413
CategoryDump Trucks
Last Updated6/28/2025
Location
Chatham, VA, US
Sold By

Atkinson Truck Sales

Kenworth T880 Tri Axle Sleeper Semi Truck - 52" Mid Roof Sleeper, Cummins 565HP, 18 Speed Automatic
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...
ConditionUsed
Usage243,796 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power565 HP
Engine ModelCummins X15
Drivetrain8x4
Transmission18 Speed Ultrashift Automatic
Sleeper TypeMid Roof Sleeper
Sleeper Size52"
SuspensionAG 460
Rear AxleTri Axle
Rear End59,200 lb 3.73 ratio
Stock Number7013
MLS Number13646550
CategorySleeper Semi Trucks
Last Updated7/1/2025
Location
Houston, TX, US
Sold By

Southern Truck Sales Ltd

Kenworth W900 Day Cab Truck - Cummins 525HP, 18 Speed Automatic
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,
ConditionUsed
Usage20,000 Hours
Duty ClassHeavy Duty Day Cab Truck
Horse Power525 HP
Engine ModelCummins X15
Drivetrain6x4
Transmission18 Speed Automatic
Rear AxleTandem Axle
Stock Number26059
MLS Number13481330
CategoryDay Cab Semi Trucks
Last Updated6/26/2025
Location
Fontana, CA, US
Sold By

Great Western Trailer

Kenworth T880 Day Cab Truck - Cummins 605HP, 18 Speed Ultrashift Automatic
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...
ConditionUsed
Usage11,064 Hours
Duty ClassHeavy Duty Day Cab Truck
Horse Power605 HP
Engine ModelCummins X15
Transmission18 Speed Ultrashift Automatic
SuspensionAir Ride
Rear AxleTandem Axle
Rear End46,000 lb 4.30 ratio
Stock NumberKJ291631
MLS Number13523575
CategoryDay Cab Semi Trucks
Last Updated5/29/2025
Location
Chatham, VA, US
Sold By

J&J Truck Sales

Peterbilt 567 5100 Gallon Water Truck - Cummins 565HP, 18 Speed Automatic
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,...
ConditionNew
Usage1,467 Miles
Duty ClassHeavy Duty Water Truck
Horse Power565 HP
Engine ModelCummins X15
Drivetrain8x4
Transmission18 Speed Automatic
SuspensionAir Trac
Rear AxleTri Axle
Rear End46,000 lb
Capacity5100 Gallons
Stock Number278917
MLS Number13599647
CategoryWater Trucks
Last Updated5/29/2025
Location
Butler, PA, US
Sold By

Hunter Truck

Peterbilt 567 5100 Gallon Water Truck - Cummins 565HP, 18 Speed Automatic
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,...
ConditionNew
Usage1,467 Miles
Duty ClassHeavy Duty Water Truck
Horse Power565 HP
Engine ModelCummins X15
Drivetrain8x4
Transmission18 Speed Automatic
SuspensionAir Trac
Rear AxleTri Axle
Rear End46,000 lb 4.10 ratio
Capacity5100 Gallons
Stock Number278916
MLS Number13599635
CategoryWater Trucks
Last Updated5/29/2025
Location
Butler, PA, US
Sold By

Hunter Truck

2024 Peterbilt 389 Vacuum Truck - Iron-Vac 4200 Gallon Polished Aluminum Tank Tank Body
1 0

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

Call for price
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...
ConditionNew
Duty ClassHeavy Duty Vacuum Truck
Upfit TypeTank Body
Upfit MakeIron-Vac
Upfit Model4200 Gallon Polished Aluminum Tank
Horse Power525 HP
Engine ModelCummins 525
Transmission18 Speed Automatic
Capacity4200 Gallons
MLS Number12495382
CategoryVacuum Trucks
Last Updated4/29/2025
Location
Searcy, AR, US
Sold By

SepticTrucks.com

2017 Kenworth T880 Dump Truck
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...
ConditionUsed
Usage320,000 Miles
Duty ClassHeavy Duty Dump Truck
Horse Power385 HP
Engine ModelCummins ISX12
Drivetrain4x2
Transmission18 Speed Ultrashift Automatic
Rear End44,000 lb
MLS Number13381775
CategoryDump Trucks
Last Updated5/15/2025
Location
Southeast United States, US
Sold By

Carolina Used Machinery

Kenworth W900L Sleeper Semi Truck - 70" Mid Roof Sleeper, Cummins 500HP, 18 Speed Ultrashift Automatic
40 1

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

Call for price
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...
ConditionUsed
Usage1,004,608 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power500 HP
Engine ModelCummins X15
Transmission18 Speed Ultrashift Automatic
Sleeper TypeMid Roof Sleeper
Sleeper Size70"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End46,000 lb
Stock NumberC-35014
MLS Number12543451
CategorySleeper Semi Trucks
Last Updated11/8/2024
Location
Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By

Gamache Truck Center

Peterbilt 589 Sleeper Semi Truck - 72" Raised Roof Sleeper, Cummins 565HP, 18 Speed Automatic
25 0

2025 Peterbilt 589 Sleeper Semi Truck - 72" Raised Roof Sleeper, Cummins 565HP, 18 Speed Automatic

Call for price
LEGENDARY TEAL 2025 PETERBILT 589 TRADITIONAL* 72' HIGH ROOF SLPR * ALPINE GRAY PLATINUM INTERIOR W/ DOUBLE BUNK, FRIDGE, HEAT, PREMIUM SPEAKER PACKAGE, SMART NAV * SMARTLINQ * 1800W...
ConditionNew
Usage3 Hours
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power565 HP
Engine ModelCummins X15
Drivetrain6x2
Transmission18 Speed Automatic
Sleeper TypeRaised Roof Sleeper
Sleeper Size72"
SuspensionFlex Air
Rear AxleTandem Axle
Rear End40,000 lb 3.42 ratio
Stock Number273377
MLS Number12998687
CategorySleeper Semi Trucks
Last Updated7/23/2024
Location
Lancaster, PA, US
Sold By

Hunter Truck

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