6 Speed Automatic Trucks with Detroit Engines For Sale

(833) 300-___ SHOW
NUMBERCall Seller

2022 Western Star 4900 Day Cab Truck - Detroit 505HP, 6 Speed Allison Rds Automatic

Newly Listed

Contact for price

WET KIT,

Condition	Used
Usage	7,907 Hours
Duty Class	Heavy Duty Day Cab Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	AirLiner
Rear Axle	Tandem Axle
Rear End	46,000 lb 4.30 ratio
Stock Number	C-37181
MLS Number	14081935
Category	Day Cab Semi Trucks
Last Updated	1/10/2026
Location	Montreal/ Ile-aux-noix/Toronto/NY, QC, Canada
Sold By	Gamache Truck Center

(866) 751-___ SHOW
NUMBERCall Seller

2020 Western Star 4700 Tri Axle Dump Truck - Detroit 450HP, 6 Speed Allison Rds Automatic, 16' Dump

Price Drop $147,500 USD

FACTORY EW4 ENGINE WARRANTY TILL 5/23/2026!!!!!! DETROIT Power, ALLISON Transmission. Ready to work!!! Call now!!!,

Condition	Used
Usage	249,062 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	Logan
Bed Length	16 ft.
Horse Power	450 HP
Engine Model	Detroit DD13
Drivetrain	8x4
Transmission	6 Speed Allison RDS Automatic
Suspension	TufTrac
Rear Axle	Tri Axle
Rear End	59,500 lb 3.91 ratio
Stock Number	110503
MLS Number	13633006
Category	Dump Trucks
Last Updated	1/10/2026
Location	Louisville, KY, US
Sold By	Boyd Truck Centers

(866) 751-___ SHOW
NUMBERCall Seller

2020 Western Star 4700 Tri Axle Dump Truck - Detroit 450HP, 6 Speed Allison Rds Automatic, 16' Dump

Price Drop $149,500 USD

FACTORY EW4 ENGINE WARRANTY TILL 5/23/2026!!!!!! DETROIT Power, ALLISON Transmission. Ready to work!!! Call now!!!,

Condition	Used
Usage	247,123 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	DuraClass
Bed Length	16 ft.
Horse Power	450 HP
Engine Model	Detroit DD13
Drivetrain	8x4
Transmission	6 Speed Allison RDS Automatic
Suspension	TufTrac
Rear Axle	Tri Axle
Rear End	46,000 lb 3.91 ratio
Stock Number	110405
MLS Number	13570954
Category	Dump Trucks
Last Updated	1/10/2026
Location	Louisville, KY, US
Sold By	Boyd Truck Centers

(844) 882-___ SHOW
NUMBERCall Seller

2014 Freightliner 114SD Tandem Axle 20 ft Flatbed Truck - 410HP, 6 Speed Allison Rds Automatic

2014 Freightliner Coronado 114 Tandem Axle Cab & Chassis Truck - Detroit, 450HP, 6 Speed Allison Rds Automatic

$72,977 USD

2014 Freightliner Coronado 114 SD Tandem-Axle Cab Chassis Truck, Detroit DD13 12.8L @ 450 H.P., Engine Brake, Allison 4000-RDS 6-Speed Automatic O/D Transmission, 4.89 Ratio, 293" W.B., Tuf...

Condition	Used
Usage	21,597 Hours
Duty Class	Heavy Duty Cab & Chassis Truck
Horse Power	450 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	TufTrac
Rear Axle	Tandem Axle
Rear End	46,000 lb 4.89 ratio
Stock Number	4380
MLS Number	13760845
Category	Cab & Chassis Trucks
Last Updated	1/9/2026
Location	Phoenix, AZ, US
Sold By	American Truck Sales & Salvage

(855) 489-___ SHOW
NUMBERCall Seller

2019 Freightliner M2 106 26 ft Flatbed Truck - 260HP, 6 Speed Automatic, Liftgate

$49,000 USD

M2-106, Steel Floor, 26' Flat Bed, 3000# Lift Gate W/Wired Remote, Detroit DD8 w/260hp, Allison Automatic, Backup Camera, Power Windows, Heated Remote Mirrors, Cruise Control, Diff Lock,...

Condition	Used
Usage	100,309 Miles
Duty Class	Heavy Duty Flatbed Truck
Bed Length	26 ft.
Horse Power	260 HP
Engine Model	Detroit DD8
Drivetrain	4x2
Transmission	6 Speed Automatic
Suspension	Air Ride
Rear Axle	Single Axle
Rear End	21,000 lb
Winch	Yes
Liftgate	Yes
Stock Number	2191
MLS Number	14077425
Category	Flatbed Trucks
Last Updated	1/8/2026
Location	Rhome, TX, US
Sold By	Jordan Truck Sales of Texas, LLC

(713) 532-___ SHOW
NUMBERCall Seller

2018 Freightliner M2 106 Box Truck - 210HP, 6 Speed Automatic, Liftgate

$31,900 USD

2018 Freightliner M2 106 Box Truck, Detroit DD5 210HP, 6-Speed Automatic, 210K Miles. Spring Suspension, Class 6, Lift Gate, Fleet Maintained, DOT Ready, Clean And Reliable. For Specs, Price...

Condition	Used
Usage	210,469 Miles
Duty Class	Medium Duty Box Truck
Horse Power	210 HP
Engine Model	Detroit DD5
Transmission	6 Speed Automatic
Suspension	Spring
Liftgate	Yes
Stock Number	L18111
MLS Number	13696575
Category	Delivery / Moving / Straight / Box Trucks
Last Updated	1/15/2026
Location	Humble, TX, US
Sold By	TCI Transportation

(833) 932-___ SHOW
NUMBERCall Seller

2026 Freightliner 114SD Tri Axle Dump Truck - Detroit 525HP, 6 Speed Allison Rds Automatic

Contact for price

This 2026 Freightliner 114SD is equipped with a 17' Lanau high-lift tri-axle dump body, built for demanding construction and aggregate hauling applications. It’s powered by the Detroit DD13...

Condition	New
Usage	1,462 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	Lanau
Horse Power	525 HP
Engine Model	Detroit DD13
Transmission	6 Speed Allison RDS Automatic
Suspension	HaulMaax
Rear Axle	Tri Axle
Rear End	46,000 lb 4.46 ratio
Stock Number	2166
MLS Number	14045900
Category	Dump Trucks
Last Updated	1/14/2026
Location	Bangor, ME, US
Sold By	Freightliner of Maine

(844) 611-___ SHOW
NUMBERCall Seller

2012 Freightliner Cascadia 113 Single Axle Day Cab Truck - Detroit, Automatic

$83,995 USD

power window mirrors, cruise control, NEW PPG white paint on cab chassis, NEW 22' AULICK Grain box w/ hi-lift tailgate, dual cylinder scissor hoist, steerable lift axle, new rear drive...

Condition	Used
Usage	13,313 Hours
Duty Class	Heavy Duty Day Cab Truck
Horse Power	370 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	4 Spring
Rear Axle	Tri Axle
Rear End	53,000 lb 4.78 ratio
Stock Number	GW22036
MLS Number	11291774
Category	Day Cab Semi Trucks
Last Updated	1/7/2026
Location	Rigby, ID, US
Sold By	Grover's All-Wheels, LLC

(501) 279-___ SHOW
NUMBERCall Seller

2026 Western Star 47X Sewer / Septic Truck - Iron-Vac 4200 Gallon Aluminum Tank Tank Body

Contact for price

THIS UNIT IS CURRENTLY IN STOCK 2025 Western Star 4900EX (2 YR Manufacturer Warranty) Detroit DD13 Gen 5 12.8L (450 HP) Allison 4500 RDS Automatic Transmission 66k GVWR 4200 Gallon Aluminum...

Warranty

Condition	New
Duty Class	Heavy Duty Sewer / Septic Truck
Upfit Type	Tank Body
Upfit Make	Iron-Vac
Upfit Model	4200 Gallon Aluminum Tank
Horse Power	450 HP
Engine Model	Detroit DD13
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	5.57 ratio
Capacity	4200 Gallons
MLS Number	14072511
Category	Sewer / Septic Trucks
Last Updated	1/6/2026
Location	Searcy, AR, US
Sold By	SepticTrucks.com

(855) 489-___ SHOW
NUMBERCall Seller

2019 Freightliner M2 106 26 ft Flatbed Truck - 240HP, 6 Speed Allison Hs Automatic, Liftgate

$39,000 USD

M2-106, Steel Floor, 26' Flat Bed, 3000# Lift Gate W/Wired Remote, Detroit DD5 w/240hp, Allison 2100HS Automatic, Backup Camera, Power Windows, Heated Remote Mirrors, Cruise Control, Diff...

Condition	Used
Usage	140,545 Miles
Duty Class	Medium Duty Flatbed Truck
Bed Length	26 ft.
Horse Power	240 HP
Engine Model	Detroit DD5
Drivetrain	4x2
Transmission	6 Speed Allison HS Automatic
Suspension	Air Ride
Rear Axle	Single Axle
Rear End	17,500 lb 5.88 ratio
Winch	Yes
Liftgate	Yes
Stock Number	2176
MLS Number	13995780
Category	Flatbed Trucks
Last Updated	1/6/2026
Location	Rhome, TX, US
Sold By	Jordan Truck Sales of Texas, LLC

(855) 489-___ SHOW
NUMBERCall Seller

2015 Western Star 4700 Tri Axle 28 ft Flatbed Truck - 470HP, 6 Speed Allison Rds Automatic

Price Drop $72,000 USD

Detroit DD13 470 hp with Allison 4500 RDS transmission, 20,000# FA and 46,000# RA and Air Lift 13,500# 3rd axle, 4.56 rear ratio, 26' flat bed with forklift rack,

Condition	Used
Usage	18,836 Hours
Duty Class	Heavy Duty Flatbed Truck
Bed Length	26 ft.
Horse Power	470 HP
Engine Model	Detroit DD13
Drivetrain	8x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Ride
Rear Axle	Tri Axle
Rear End	59,500 lb 4.56 ratio
Stock Number	2165
MLS Number	13987055
Category	Flatbed Trucks
Last Updated	1/7/2026
Location	Rhome, TX, US
Sold By	Jordan Truck Sales of Texas, LLC

(844) 435-___ SHOW
NUMBERCall Seller

2020 Freightliner Cascadia 125 Sleeper Semi Truck - 60" Raised Roof Sleeper, Detroit 505HP, Automatic

$69,900 USD

422586 Miles, Engine: DETROIT DD15, 505 HP, Fuel Type: Diesel, 6 Speed Automatic Transmission, Drive: 6x4, Air Ride Suspension, Sleeper Type: Raised Roof Sleeper, Sleeper Size: 60, Wheel...

Condition	Used
Usage	422,586 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	505 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	6 Speed Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	60"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	46,000 lb 3.73 ratio
Stock Number	334995
MLS Number	13129777
Category	Sleeper Semi Trucks
Last Updated	1/6/2026
Location	Barrington, NH, US
Sold By	Allegiance Trucks

(855) 804-___ SHOW
NUMBERCall Seller

2024 Western Star 47X Tri Axle Dump Truck - Detroit 470HP, 6 Speed Allison Rds Automatic, 16' Dump

$187,900 USD

2024 Western Star 47X --- DD13 Detroit 470 HP, Allison Automatic 6 Speed, 20,000 Front Axle, 46,000 Rear Axle, 233" Wheelbase, 21' 8" Bridge, TUFF TRAC, Thick Frame, 3 Stage Engine Brake,...

Condition	Used
Usage	161,589 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	R/S GODWIN
Bed Length	16 ft.
Horse Power	470 HP
Engine Model	Detroit DD13
Drivetrain	8x4
Transmission	6 Speed Allison RDS Automatic
Suspension	TufTrac
Rear Axle	Tri Axle
Rear End	46,000 lb 3.91 ratio
Stock Number	UX2967
MLS Number	14040831
Category	Dump Trucks
Last Updated	1/3/2026
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

(844) 882-___ SHOW
NUMBERCall Seller

2015 Freightliner M2 112 Day Cab Truck - Detroit 410HP, 6 Speed Allison Hs Automatic

$19,977 USD

2015 Freightliner M211264ST Tandem-Axle Non-Sleeper Truck, Detroit DD13 12.8L @ 410 H.P., Engine Brake, Allison 4000-HS 6-Speed Automatic O/D Transmission, 3.91 Ratio, 175" W.B., 4-Bag...

Condition	Used
Usage	367,513 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	410 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	6 Speed Allison HS Automatic
Suspension	4 Bag Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.91 ratio
Stock Number	3966
MLS Number	13213515
Category	Day Cab Semi Trucks
Last Updated	1/1/2026
Location	Phoenix, AZ, US
Sold By	American Truck Sales & Salvage

(702) 452-___ SHOW
NUMBERCall Seller

2019 Freightliner M2 106 Box Truck - 220HP, 6 Speed Automatic

Contact for price

161729 Miles, Engine: DETROIT DD8, 220 HP, Fuel Type: Diesel, 6 Speed Automatic Transmission, Spring Suspension, Single Rear Axles

Condition	Used
Usage	161,729 Miles
Duty Class	Medium Duty Box Truck
Horse Power	220 HP
Engine Model	Detroit DD8
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Stock Number	L19116
MLS Number	14059415
Category	Delivery / Moving / Straight / Box Trucks
Last Updated	12/24/2025
Location	North Las Vegas, NV, US
Sold By	TCI Transportation

(855) 653-___ SHOW
NUMBERCall Seller

2023 Freightliner M2 106 Single Axle Fuel & Lube Truck - Detroit, 330HP, 6 Speed Allison Rds Automatic

Contact for price

2023 Freightliner M2-106 Single Axle Lube / Fuel Truck, Detroit Diesel DD8 7.7L Turbo Diesel Engine, 330 HP, Allison 3500 RDS 6 Speed Automatic Transmission, ONLY 15,775 ECM Verified Miles ...

Condition	Used
Usage	2,457 Hours
Duty Class	Heavy Duty Fuel & Lube Truck
Horse Power	330 HP
Engine Model	Detroit DD8
Drivetrain	4x2
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Ride
Rear Axle	Single Axle
Rear End	21,000 lb 5.22 ratio
Capacity	1000 Gallons
Stock Number	T17875D
MLS Number	14057810
Category	Fuel & Lube Trucks
Last Updated	12/23/2025
Location	Denver, CO, US
Sold By	DTI Trucks

(844) 257-___ SHOW
NUMBERCall Seller

2018 Freightliner Coronado 122 SD Dump Truck - Detroit 450HP, 6 Speed Allison Rds Automatic, 14' Dump

$79,000 USD

2018 FREIGHTLINER 122SD CORONADO TANDEM DUMP TRUCK, DD 15 450HP, ALLISON RDS 4500 AUTO, 544,250 MILES, AIR RIDE SUSPENSION, 12K FRONTS AND 40K REARS, AIR RIDE SUSPENSION, 210" WHEELBASE,...

Condition	Used
Usage	545,000 Miles
Duty Class	Heavy Duty Dump Truck
Bed Length	14 ft.
Horse Power	450 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.91 ratio
Stock Number	9745
MLS Number	14053754
Category	Dump Trucks
Last Updated	12/20/2025
Location	Robstown, TX, US
Sold By	J&B Pavelka, Inc.

(844) 241-___ SHOW
NUMBERCall Seller

2026 Freightliner 114SD PLUS Dump Truck

$179,995 USD

2026 Freightliner 114SD -- Detroit DD13 505 HP -- Allison 4500 RDS -- Steel Tri-Axle Dump, Powertrain, * Detroit DD13, 12.8L -- 505 HP / 1850 lb-ft, * Allison 4500 RDS Automatic...

Condition	New
Usage	922 Miles
Bed Length	16 ft.
Horse Power	505 HP
Engine Model	Detroit DD13
Drivetrain	8x4
Transmission	6 Speed Automatic
Rear Axle	Tandem Axle
Rear End	46,000 lb
Stock Number	THWM7296
MLS Number	13446278
Category	Dump Trucks
Last Updated	12/18/2025
Location	Pompano Beach, FL, US
Sold By	Go Freightliner of Broward

(855) 653-___ SHOW
NUMBERCall Seller

2020 Western Star 4900 Tandem Axle 20 ft Flatbed Truck - 500HP, 6 Speed Allison Rds Automatic

$109,500 USD

2020 Western Star 4900SB Sleeper Flatbed Truck With Forklift Mount, Detroit Diesel DD16, 500HP, 6 Speed Allison 4500RDS Automatic Transmission, 219,960 ECM Verified Miles 6,678 ECM Verified...

Condition	Used
Usage	6,678 Hours
Duty Class	Heavy Duty Flatbed Truck
Bed Length	20 ft.
Horse Power	500 HP
Engine Model	Detroit DD16
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.70 ratio
Winch	Yes
Stock Number	17089D
MLS Number	13435814
Category	Flatbed Trucks
Last Updated	12/17/2025
Location	Denver, CO, US
Sold By	DTI Trucks

(844) 241-___ SHOW
NUMBERCall Seller

2026 Freightliner 114SD Dump Truck

$179,995 USD

2026 Freightliner 114SD -- Detroit DD13 -- Allison 4500 RDS -- 17' Tri-Axle Steel Dump, Powertrain, * Detroit DD13, 12.8L -- 505 HP / 1850 lb-ft, * Allison 4500 RDS Automatic Transmission...

Condition	New
Usage	255 Miles
Bed Length	16 ft.
Horse Power	505 HP
Engine Model	Detroit DD13
Drivetrain	8x4
Transmission	6 Speed Automatic
Rear Axle	Tandem Axle
Rear End	46,000 lb
Stock Number	TDWM7298
MLS Number	13552208
Category	Dump Trucks
Last Updated	12/16/2025
Location	Pompano Beach, FL, US
Sold By	Go Freightliner of Broward

(855) 804-___ SHOW
NUMBERCall Seller

2024 Western Star 47X Tri Axle Dump Truck - Detroit 470HP, 6 Speed Allison Rds Automatic, 16' Dump

$189,900 USD

2024 Western Star 47X --- DD13 Detroit 470 HP, Allison Automatic 6 Speed, 20,000 Front Axle, 46,000 Rear Axle, 233" Wheelbase, 21' 8" Bridge, TUFF TRAC, Thick Frame, 3 Stage Engine Brake,...

Condition	Used
Usage	4,618 Hours
Duty Class	Heavy Duty Dump Truck
Upfit Make	R/S GODWIN
Bed Length	16 ft.
Horse Power	470 HP
Engine Model	Detroit DD13
Transmission	6 Speed Allison RDS Automatic
Suspension	TufTrac
Rear Axle	Tri Axle
Rear End	46,000 lb
Stock Number	VA6706
MLS Number	14040840
Category	Dump Trucks
Last Updated	12/13/2025
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales