Used 12 Speed 6x4 Trucks For Sale

10 0

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

$52,000 USD

New Style Cascadia, Air Release 5th Wheel, Auto Trans, Espar Bunk Heater, Invertor, Jumper Posts, LED Lights, Fridge, Sliding 5th Wheel, Well maintained fleet truck

Condition	Used
Usage	477,929 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.47 ratio
Stock Number	3426
MLS Number	13310517
Category	Sleeper Semi Trucks
Last Updated	1/24/2025
Location	GRANGER, IA, US
Sold By	Barr-Nunn Transportation LLC

(866) 751-___ SHOW
NUMBERCall Seller

12 0

2024 Western Star 57X Day Cab Truck - Detroit 485HP, 12 Speed Dt12 Amt

$157,500 USD

NEW WITHOUT EXCISE!!!!!! NO EXCISE!!!!! NO EXCISE!!!! DD15/485hp, DT12 Automated. COLLISION AVOIDANCE!!!! Ready for work!!!!!,

Condition	Used
Usage	488 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	485 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Suspension	AirLiner
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	109142
MLS Number	13197727
Category	Day Cab Semi Trucks
Last Updated	1/24/2025
Location	Louisville, KY, US
Sold By	Boyd Truck Centers

(323) 712-___ SHOW
NUMBERCall Seller

19 0

2017 Freightliner Cascadia 125 Day Cab Truck - Detroit 450HP, 12 Speed Dt12 Automatic

$26,900 USD

2017 Freightliner Day cab OFF LEASE, Automatic transmission looks good clean cab, Call Martha Servin,

Quantity	11
Condition	Used
Usage	762,045 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	450 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.41 ratio
Stock Number	17317
MLS Number	12908781
Category	Day Cab Semi Trucks
Last Updated	1/29/2025
Location	Los Angeles, CA, US
Sold By	TCI Transportation

(833) 298-___ SHOW
NUMBERCall Seller

23 0

2021 Peterbilt 579 Sleeper Semi Truck, Used, Arizona, Heavy Duty, Tandem Axle, Automatic

$49,999 USD

Used Peterbilt 579 sleeper cab truck for sale at Midco Sales in Chandler, AZ. Key Specs: Paccar MX-13, automatic transmission. Limited warranty remaining. Paccar MX-13, 455HP, 12 speed...

Condition	Used
Usage	403,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Paccar MX/MX-13
Drivetrain	6x4
Transmission	12 Speed Automatic
Sleeper Type	Mid Roof Sleeper
Sleeper Size	80"
Rear Axle	Tandem Axle
Stock Number	T70956
MLS Number	13311224
Category	Sleeper Semi Trucks
Last Updated	1/23/2025
Location	Chandler, AZ, US
Sold By	Midco Sales

7 0

2018 Freightliner Cascadia 126 Sleeper Semi Truck - 75" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

$22,500 USD

good truck, runs great, VERY clean, fleet maintained, full locking rears, A/S 5th, dump valve, full gauge package, tilt/tele, power windows, power mirrors, heated mirrors, double bunk, smart...

Condition	Used
Usage	804,260 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	75"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.85 ratio
Stock Number	18DET804APUCAS
MLS Number	13360560
Category	Sleeper Semi Trucks
Last Updated	1/23/2025
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

10 0

2019 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

$44,500 USD

New Style Cascadia, Air Release 5th Wheel, Auto Trans, Espar Bunk Heater, Invertor, Jumper Posts, LED Lights, Fridge, Sliding 5th Wheel, Well maintained fleet truck

Condition	Used
Usage	488,055 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.41 ratio
Stock Number	3397
MLS Number	13360415
Category	Sleeper Semi Trucks
Last Updated	1/29/2025
Location	GRANGER, IA, US
Sold By	Barr-Nunn Transportation LLC

(844) 693-___ SHOW
NUMBERCall Seller

17 0

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Automatic

$39,950 USD

Ready to hit the road and go to work! First Class 8 Truck Sales is a full-service dealer offering high quality equipment, premium financing options, and an excellent customer experience....

Condition	Used
Usage	630,704 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	298
MLS Number	13360330
Category	Sleeper Semi Trucks
Last Updated	1/25/2025
Location	Belvidere, IL, US
Sold By	First Class 8 Truck Sales

10 0

2020 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

$52,000 USD

New Style Cascadia, Air Release 5th Wheel, Auto Trans, Espar Bunk Heater, Invertor, Jumper Posts, LED Lights, Fridge, Sliding 5th Wheel, Well maintained fleet truck

Condition	Used
Usage	480,920 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.47 ratio
Stock Number	3478
MLS Number	13332186
Category	Sleeper Semi Trucks
Last Updated	1/24/2025
Location	GRANGER, IA, US
Sold By	Barr-Nunn Transportation LLC

10 0

2019 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 455HP, 12 Speed Dt12 Amt

$44,500 USD

New Style Cascadia, Air Release 5th Wheel, Auto Trans, Espar Bunk Heater, Invertor, Jumper Posts, LED Lights, Fridge, Sliding 5th Wheel, Well maintained fleet truck

Condition	Used
Usage	493,178 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.41 ratio
Stock Number	3369
MLS Number	13326847
Category	Sleeper Semi Trucks
Last Updated	1/23/2025
Location	GRANGER, IA, US
Sold By	Barr-Nunn Transportation LLC

(888) 680-___ SHOW
NUMBERCall Seller

10 0

2020 Volvo VNR64T300 Day Cab Truck - D13 425HP, 12 Speed I Shift Amt

$62,500 USD

CLEAN LOW MILE VOLVO VNR WITH WET KIT AVAILABLE FOR SALE AT KENWORTH SALES COMPANY RICHMOND! VOLVO D13 ENGINE/ 425HP, ISHIFT 12 SPEED AUTOMATIED TRANSMISSION, ALUMINUM WHEELS, AIR RIDE, WET...

Condition	Used
Usage	161,212 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	425 HP
Engine Model	Volvo D13
Drivetrain	6x4
Transmission	12 Speed I Shift Automated
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	LN251490U-RICHMOND
MLS Number	13326818
Category	Day Cab Semi Trucks
Last Updated	1/23/2025
Location	Richmond, VA, US
Sold By	Truck Enterprises Inc.

(855) 804-___ SHOW
NUMBERCall Seller

18 0

2022 Mack Granite 64FR Roll Off Truck - MP8, 415HP, 12 Speed Mdrive Hd Automatic

$224,900 USD

2022 Mack GR64F --- Tandem Axle, MP8 Mack 415 HP, MDrive Automatic 12 Speed, 4.19 Ratio, 18,000 Front Axle, 44,000 Rear Axle, 274" Wheelbase, 25' Bridge, Camelback, Double Frame, 3 Stage...

Condition	Used
Usage	99,376 Miles
Duty Class	Heavy Duty Roll Off Truck
Horse Power	415 HP
Engine Model	Mack MP8
Drivetrain	6x4
Transmission	12 Speed mDRIVE HD Automatic
Suspension	Camelback
Rear Axle	Tandem Axle
Rear End	44,000 lb 4.19 ratio
Stock Number	028956
MLS Number	13286180
Category	Roll Off Trucks
Last Updated	1/23/2025
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

(855) 370-___ SHOW
NUMBERCall Seller

13 1

2017 Freightliner Cascadia 113 Day Cab Truck - Detroit 410HP

$29,900 USD

2017 Freightliner Cascadia - Detroit DD13, 410 HP Engine, DT12 12 Spd Detroit DT12-OB Transmission, Air Ride, Tandem Axle, 125" Hood, 175" WB (CA/CT-100" EOF-158"), 52,000 GVW, 12,000# Front...

Condition	Used
Usage	10,400 Hours
Duty Class	Heavy Duty Day Cab Truck
Horse Power	410 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	12 Speed Detroit DT12
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.41 ratio
Stock Number	17WH060
MLS Number	13279800
Category	Day Cab Semi Trucks
Last Updated	1/23/2025
Location	Des Moines, IA, US
Sold By	Vander Haag's Inc.

22 1

2015 Mack Pinnacle CXU613 26 ft Refrigerated Truck - 400HP, 12 Speed M Drive Amt, Thermo King

$18,500 USD

nice truck, nice reefer, THERMO KING T1000, air seat, air brakes, differential lock, dump valve, power windows, power mirrors, tilt/tele!,

Condition	Used
Usage	484,643 Miles
Duty Class	Heavy Duty Refrigerated Truck
Box Length	26 ft.
Horse Power	400 HP
Engine Model	Mack MP7
Drivetrain	6x4
Transmission	12 Speed mDRIVE Automated
Reefer Unit	Thermo King
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Door Type	Roll up
Stock Number	15CXU484REF
MLS Number	13241778
Category	Refrigerated Trucks
Last Updated	1/30/2025
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

5 0

2018 International LT Sleeper Semi Truck - 75" Raised Roof Sleeper, A26 450HP, 12 Speed Endurant Amt

$18,500 USD

good truck, runs great, clean, air seat, air brakes, differential lock, dump valve, smart wheel, dump valve, power windows, power mirrors, heated mirrors, power door locks, GOOD CLEAN...

Condition	Used
Usage	524,140 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	International A26
Drivetrain	6x4
Transmission	12 Speed Endurant Automated
Sleeper Type	Raised Roof Sleeper
Sleeper Size	75"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	18A26524LT
MLS Number	13231702
Category	Sleeper Semi Trucks
Last Updated	1/23/2025
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

(909) 775-___ SHOW
NUMBERCall Seller

8 0

2018 Kenworth T680 Day Cab Truck - Paccar 405HP, 12 Speed Automatic

$78,000 USD

Low mileage unit!, Free 6 month warranty on motor and transmission, If you have any questions, please don't hesitate to call Yvette!,

Condition	Used
Usage	348,967 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	405 HP
Drivetrain	6x4
Transmission	12 Speed Automatic
Rear Axle	Tandem Axle
Stock Number	2536
MLS Number	13215488
Category	Day Cab Semi Trucks
Last Updated	1/23/2025
Location	Fontana, CA, US
Sold By	TCI Transportation

4 0

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

$49,900 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!,

Condition	Used
Usage	484,455 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	3590
MLS Number	13213089
Category	Sleeper Semi Trucks
Last Updated	2/9/2025
Location	GRANGER, IA, US
Sold By	Barr-Nunn Transportation LLC

5 0

2018 Volvo VNL64T730 Sleeper Semi Truck - 78" Mid Roof Sleeper, D13 425HP, 12 Speed Amt

$17,000 USD

good truck, runs great, clean, air seats, power windows, power mirrors, heated mirrors, dump valve, differential lock, FLEET MAINTAINED!,

Condition	Used
Usage	830,730 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Volvo D13
Drivetrain	6x4
Transmission	12 Speed I Shift Automated
Sleeper Type	Mid Roof Sleeper
Sleeper Size	78"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.64 ratio
Stock Number	18D13830730
MLS Number	13211681
Category	Sleeper Semi Trucks
Last Updated	1/23/2025
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

10 0

2016 Mack Pinnacle CXU613 Day Cab Truck - MP8 455HP, 12 Speed M Drive Automatic

Call for price

Fleet Maintained, MACK MP8, 415 HP, Miles 435426, Automatic, Ratio 3.36, 12k Fronts, 40k Rears, Air Slide 5th Wheel, Cruise, Power/Heated Mirrors, Air slide 5th, Inter axel log, Power...

Condition	Used
Usage	295,003 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	415 HP
Engine Model	Mack MP8
Drivetrain	6x4
Transmission	12 Speed mDRIVE Automatic
Suspension	Air Ride
Stock Number	083446
MLS Number	13206832
Category	Day Cab Semi Trucks
Last Updated	1/29/2025
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

10 0

2016 Mack Pinnacle CXU613 Day Cab Truck - MP8 455HP, 12 Speed M Drive Automatic

Call for price

Fleet Maintained, MACK MP8, 415HP, Miles 435426, Automatic, Ratio 3.36, 12k Fronts, 40k Rears, Air Slide 5th Wheel, Cruise, Power/Heated Mirrors, Air slide 5th, Inter axel log, Power windows...

Condition	Used
Usage	363,168 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	415 HP
Engine Model	Mack MP8
Drivetrain	6x4
Transmission	12 Speed mDRIVE Automatic
Suspension	Air Ride
Stock Number	076106
MLS Number	13206827
Category	Day Cab Semi Trucks
Last Updated	1/29/2025
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

4 0

2020 Volvo VNR64T300 Day Cab Truck - D13 405HP, 12 Speed I Shift Amt

$15,000 USD

good truck, runs great, clean, fleet maintained, air seat, tilt/tele, differential lock, dump valve, power windows, power mirrors, heated mirrors, power door locks, smart wheel!,

Condition	Used
Usage	704,774 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	405 HP
Engine Model	Volvo D13
Drivetrain	6x4
Transmission	12 Speed I Shift Automated
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.47 ratio
Stock Number	20D13704VNRDC
MLS Number	13197672
Category	Day Cab Semi Trucks
Last Updated	1/23/2025
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

21 1

2020 Mack Anthem 64T Day Cab Truck - MP8 415HP, 12 Speed M Drive Automatic

$21,969 USD

70 Units Available!, Miles: 567k - 806k, $18,577 - $27,681, *Rep Photos*, MP8 415 HP Engine, M-Drive 12 Speed Automated, 12,000# Fronts / 40,000# Rears, Fleet Maintained, 2.28 Ratio,...

Condition	Used
Usage	750,000 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	415 HP
Engine Model	Mack MP8
Drivetrain	6x4
Transmission	12 Speed mDRIVE Automatic
Rear Axle	Tandem Axle
Rear End	40,000 lb 2.28 ratio
Stock Number	ANTHEM-GROUP
MLS Number	13176322
Category	Day Cab Semi Trucks
Last Updated	1/23/2025
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

6 0

1994 Mack RD688S Tandem Axle Rollback Tow Truck - E7, 12 Speed Manual

$20,000 USD

good truck, runs great, clean, air seat, air brakes, 25 TON EQUIPMENT BED, HYDRAULIC BED, HYDRAULIC STABILIZER!,

Condition	Used
Usage	224,910 Miles
Duty Class	Heavy Duty Rollback Tow Truck
Engine Model	Mack E7
Drivetrain	6x4
Transmission	12 Speed Manual
Suspension	Camelback
Rear Axle	Tandem Axle
Stock Number	94RD224EQROLL
MLS Number	13174873
Category	Rollback Tow Trucks
Last Updated	1/23/2025
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

27 4

2020 Kenworth T680 Sleeper Semi Truck - 76" Raised Roof Sleeper, Cummins 450HP, 12 Speed Automatic

$49,900 USD

Fleet Maintained, Stock 395568, Miles 478,895, Cummins X15, 450 HP, Automatic 12 SPD, 12k Fronts 40K rears, Engine Brake, 2.79 Ratio, Air Ride Suspension, Hydraulic Power Steering, Air...

Condition	Used
Usage	478,895 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 2.79 ratio
Stock Number	395568
MLS Number	13149472
Category	Sleeper Semi Trucks
Last Updated	1/23/2025
Location	Monroe, GA, US
Sold By	AAA Trucks LLC