Used Freightliner 6x4 Trucks For Sale in United States

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2023 Freightliner Cascadia 116 Tandem Axle Sewer / Septic Truck - Detroit, 525HP, Automatic

$147,900 USD

STOCK #2825, MANAGER'S SPECIAL, SEPTIC TANKER VACUUM TRUCK * 2023 FREIGHTLINER CASCADIA * ENGINE DETROIT DD13 12.8L * 525HP * DIESEL * DT12 AUTOMATIC TRANSMISSION * 4000 GL * GVW 56,000 *...

Condition	Used
Usage	75,995 Miles
Duty Class	Heavy Duty Sewer / Septic Truck
Horse Power	525 HP
Engine Model	Detroit DD13
Drivetrain	6x4
Transmission	Detroit DT12 Automatic
Rear Axle	Tandem Axle
Capacity	4000 Gallons
Stock Number	2825
MLS Number	14149611
Category	Sewer / Septic Trucks
Last Updated	4/17/2026
Location	Orlando, FL, US
Sold By	Orange Truck Sales, LLC

(707) 849-___ SHOW
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2013 Freightliner Cascadia 125 Day Cab Truck - Detroit 475HP, 10 Speed Manual

$20,000 USD

2013 Freightliner Cascadia 125 Day Cab, Detroit DD15 14.8L 475hp, 3 Stage Jake Brake, 10 speed manual transmission, 184 wheelbase, 3.42 ratio, Low pro 22.5 tires, Dual fuel tanks, Sliding...

Condition	Used
Usage	571,967 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	475 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	10 Speed Manual
Suspension	AirLiner
Rear Axle	Tandem Axle
Rear End	40,000 lb
MLS Number	14124515
Category	Day Cab Semi Trucks
Last Updated	4/17/2026
Location	Santa Rosa, CA, US
Sold By	Personal Asset Brokerage

(855) 561-___ SHOW
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2022 Freightliner 114SD Car Carrier Truck - D-13 Eng 455HP, 10sp man-trans 2024 Cottrell HD 2 car headrack, QuickSpin ratchet system Doran TPMS

$197,999 USD

Contact for rental/lease prices

Unit has a lowered suspension in the front springs. Unit is 3” lower than other SD-114 units that are available in the market. 2022 Freightliner SD-114, D-13 Engine 455HP, 10 speed manual...

Condition	Used
Usage	322,165 Miles
Duty Class	Heavy Duty Car Carrier Truck
Horse Power	455 HP
Engine Model	Detroit Detroit DD13
Drivetrain	6x4
Transmission	10 Speed Manual
Stock Number	4641
MLS Number	14316289
Category	Car Carrier Trucks
Last Updated	4/17/2026
Location	Fremont, IN, US
Sold By	IMT Commercial LLC

(888) 853-___ SHOW
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2014 Freightliner M2 106 Propane Truck - Cummins 350HP, 6 Speed Allison Rds Automatic

$150,000 USD

2014 Freightliner M2 106, 350 hp ISL Cummins, Allison RDS Automatic transmission, air ride suspension, 5.29 rear end ratio, 14,700# steer axle, 40,000# rears, 252" wheel base, A/C, tilt and...

Condition	Used
Usage	264,113 Miles
Duty Class	Heavy Duty Propane Truck
Horse Power	350 HP
Engine Model	Cummins ISL
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 5.29 ratio
Stock Number	100
MLS Number	14059471
Category	Propane Trucks
Last Updated	5/24/2026
Location	New Salem, ND, US
Sold By	Pedigree Truck and Trailer Sales, Inc.

2020 Freightliner Cascadia Day Cab Truck - Detroit, Automatic

$32,000 USD

Condition	Used
Usage	524,105 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	400 HP
Engine Model	Detroit DD15 EPA 17
Drivetrain	6x4
Transmission	Detroit DT12 Automatic
Rear Axle	Tandem Axle
Rear End	2.28 ratio
Stock Number	90077
MLS Number	14314980
Category	Day Cab Semi Trucks
Last Updated	6/20/2026
Location	Shrewsbury, MA, US
Sold By	Schneider

2020 Freightliner Cascadia Day Cab Truck - Detroit, Automatic

$32,000 USD

Condition	Used
Usage	535,436 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	400 HP
Engine Model	Detroit DD15 EPA 17
Drivetrain	6x4
Transmission	Detroit DT12 Automatic
Rear Axle	Tandem Axle
Rear End	2.28 ratio
Stock Number	90068
MLS Number	14314977
Category	Day Cab Semi Trucks
Last Updated	6/20/2026
Location	Shrewsbury, MA, US
Sold By	Schneider

2009 Freightliner Cascadia 125 Sleeper Semi Truck - 74" Raised Roof Sleeper, Detroit 455HP, 10 Speed Manual

$10,000 USD

GOOD RUNNING TRUCK! power windows, power mirrors, heated mirrors, differential lock, dump valve, A/S 5th, cruise control, air seat!,

Condition	Used
Usage	1,400,925 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	10 Speed Manual
Sleeper Type	Raised Roof Sleeper
Sleeper Size	74"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	09DET140CAS
MLS Number	14310832
Category	Sleeper Semi Trucks
Last Updated	4/15/2026
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

2024 Freightliner Cascadia - 72" Raised Roof Double Bunk Sleeper, Detroit, Automatic, Optimized Idle

$76,200 USD

Condition	Used
Usage	463,561 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	425 HP
Engine Model	Detroit DD15TCO 50 STATE
Drivetrain	6x4
Transmission	Detroit DT12 Automatic
Sleeper Type	Raised Roof Sleeper
Sleeper Size	72"
Rear Axle	Tandem Axle
Rear End	2.15 ratio
Stock Number	32432
MLS Number	14260651
Category	Sleeper Semi Trucks
Last Updated	7/13/2026
Location	Houston, TX, US
Sold By	Schneider

2009 Freightliner Cascadia 125 Sleeper Semi Truck - 70" Mid Roof Sleeper, Detroit 455HP, 10 Speed Ultrashift Amt

$12,000 USD

GOOD RUNNING TRUCK! power windows, power mirrors, heated mirrors, differential lock, dump valve, A/S 5th, cruise control, air seat!,

Condition	Used
Usage	1,057,101 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	455 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	10 Speed Ultrashift Automated
Sleeper Type	Mid Roof Sleeper
Sleeper Size	70"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	09DET105CAS
MLS Number	13282843
Category	Sleeper Semi Trucks
Last Updated	4/15/2026
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

2019 Freightliner Cascadia 126 Sleeper Semi Truck - Detroit, 12 Speed Dt12 Amt

$43,000 USD

AUTOMATIC. ELECTRONIC STABILITY CONTROL, BRAKE ASSIST, ADAPTIVE CRUISE CONTROL, LANE DEPARTURE WARNING, TIRE PRESSURE MONITORIING SYSTEM

Condition	Used
Usage	566,000 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	12 Speed Detroit DT12 Automated
Rear Axle	Tandem Axle
Stock Number	KP8069
MLS Number	14080360
Category	Sleeper Semi Trucks
Last Updated	4/14/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

2019 Freightliner Cascadia Day Cab Truck - Detroit, Automatic

$33,500 USD

***Note: Unit does not have a passenger seat***

Condition	Used
Usage	335,423 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	450 HP
Engine Model	Detroit DD13 EPA 17
Drivetrain	6x4
Transmission	Detroit DT12 Automatic
Rear Axle	Tandem Axle
Rear End	2.47 ratio
Stock Number	68822
MLS Number	14308015
Category	Day Cab Semi Trucks
Last Updated	6/24/2026
Location	Carlisle, PA, US
Sold By	Schneider

2021 Freightliner Cascadia Sleeper Semi Truck - 48" Extra-Tall Roof, Detroit, Automatic

$50,500 USD

Condition	Used
Usage	443,470 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	400 HP
Engine Model	Detroit DD15 EPA 17
Drivetrain	6x4
Transmission	Detroit DT12 Automatic
Sleeper Type	Extra Tall Sleeper
Sleeper Size	48"
Rear Axle	Tandem Axle
Rear End	2.28 ratio
Stock Number	20470
MLS Number	14308001
Category	Sleeper Semi Trucks
Last Updated	7/10/2026
Location	Carlisle, PA, US
Sold By	Schneider

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

$52,500 USD

Several Available!, Fresh DOT, Full 128 Point Inspection, 500,000 Miles, DD15 Detroit, 455 HP, DT12 HD Automated, Double Bunk Condo, Electric APU, Super Singles - can switch out for duals...

Condition	Used
Usage	514,395 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
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	LY5957
MLS Number	13928572
Category	Sleeper Semi Trucks
Last Updated	4/14/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

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

$49,900 USD

Several Available!, Full 128 Point Inspection, 547,272 Miles, DD15 Detroit, 455 HP, DT12 HD Automated, Double Bunk Condo, Electric APU, Super Singles - can switch out for duals, Fleet...

Condition	Used
Usage	547,272 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
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	LY5950
MLS Number	13916446
Category	Sleeper Semi Trucks
Last Updated	4/14/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

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

$52,000 USD

Several Available!, Fresh DOT, Full 128 Point Inspection, 525,063 Miles, DD15 Detroit, 455 HP, DT12 HD Automated, Double Bunk Condo, Electric APU, Super Singles - can switch out for duals...

Condition	Used
Usage	525,063 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
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	LY5961
MLS Number	13916441
Category	Sleeper Semi Trucks
Last Updated	4/14/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

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

$48,000 USD

Several Available!, Fresh DOT, Full 128 Point Inspection, 565,419 Miles, DD15 Detroit, 455 HP, DT12 HD Automated, Double Bunk Condo, Electric APU, Super Singles - can switch out for duals...

Condition	Used
Usage	565,419 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
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	LY5958
MLS Number	13916440
Category	Sleeper Semi Trucks
Last Updated	4/14/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

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

$49,900 USD

Several Available!, Full 128 Point Inspection, 546,304 Miles, DD15 Detroit, 455 HP, DT12 HD Automated, Double Bunk Condo, Electric APU, Super Singles - can switch out for duals, Fleet...

Condition	Used
Usage	546,304 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
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	LY5977
MLS Number	13916438
Category	Sleeper Semi Trucks
Last Updated	4/14/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

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

$49,500 USD

Several Available!, Full 128 Point Inspection, 559,891 Miles, DD15 Detroit, 455 HP, DT12 HD Automated, Double Bunk Condo, Electric APU, Super Singles - can switch out for duals, Fleet...

Condition	Used
Usage	560,394 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
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 3.08 ratio
Stock Number	LY5968
MLS Number	13916430
Category	Sleeper Semi Trucks
Last Updated	4/14/2026
Location	Monroe, GA, US
Sold By	AAA Trucks LLC

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2021 Freightliner Cascadia 116 Day Cab Truck - Detroit 450HP, 12 Speed Dt12 Automatic

$51,995 USD

2021 FREIGHTLINER CASCADIA DAY CAB, DETROIT DD13, 450 HP, DETROIT DT12 AUTOMATIC TRANSMISSION, 286,961 MILES, ALL AROUND AMERICAN TIRES, FLEET MAINTAINED, VERY NICE CONDITION, READY TO...

Condition	Used
Usage	286,961 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
Stock Number	9223
MLS Number	13436965
Category	Day Cab Semi Trucks
Last Updated	4/12/2026
Location	Fontana, CA, US
Sold By	Fontana Truck Outlet

(844) 325-___ SHOW
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2021 Freightliner Cascadia 126 Day Cab Truck

$45,000 USD

Condition	Used
Usage	545,365 Miles
Duty Class	Heavy Duty Day Cab Truck
Engine Model	Detroit Diesel DD15
Drivetrain	6x4
Transmission	Manual
Stock Number	91044
MLS Number	13785249
Category	Day Cab Semi Trucks
Last Updated	4/10/2026
Location	Cincinnati, OH, US
Sold By	Truckway Leasing

2020 Freightliner Cascadia Day Cab Truck - Detroit, Automatic, MirrorEye Equipped

$34,000 USD

Condition	Used
Usage	521,913 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	400 HP
Engine Model	Detroit DD15 EPA 17
Drivetrain	6x4
Transmission	Detroit DT12 Automatic
Rear Axle	Tandem Axle
Rear End	2.28 ratio
Stock Number	20040
MLS Number	14302006
Category	Day Cab Semi Trucks
Last Updated	6/20/2026
Location	Gary, IN, US
Sold By	Schneider

2013 Freightliner Cascadia 125 Sleeper Semi Truck - 75" Raised Roof Sleeper, Detroit 475HP, 10 Speed Manual

$12,500 USD

nice truck, runs great, clean, air seats, double bunk, differential lock, dump valve, A/S 5th, power windows, power mirrors, heated mirrors, fleet maintained,

Condition	Used
Usage	725,912 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	475 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	10 Speed Manual
Sleeper Type	Raised Roof Sleeper
Sleeper Size	75"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	13DET725CAS
MLS Number	12500682
Category	Sleeper Semi Trucks
Last Updated	4/9/2026
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

2010 Freightliner Century Class 120 Sleeper Semi Truck - 70" Raised Roof Sleeper, Detroit 450HP, 10 Speed Manual

$12,000 USD

nice truck, runs great, clean. air seat, tilt/tele, power windows, dual air ride seats, double bunk, differential lock, dump valve, A/S 5th, fleet maintained

Condition	Used
Usage	932,900 Miles
Duty Class	Heavy Duty Sleeper Semi Truck
Horse Power	450 HP
Engine Model	Detroit DD15
Drivetrain	6x4
Transmission	10 Speed Manual
Sleeper Type	Raised Roof Sleeper
Sleeper Size	70"
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	10DET932C120
MLS Number	12497601
Category	Sleeper Semi Trucks
Last Updated	4/9/2026
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

(855) 653-___ SHOW
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2020 Freightliner M2 106 4000 Gallon Water Truck - Cummins 300HP, 6 Speed Allison Rds Automatic

Contact for price

2020 Freightliner M2-106 Tandem Axle 4,000 Gallon Water Truck, 8.9L Cummins L9 Turbo Diesel Engine, 300 HP, Allison 3000 RDS 6 Speed Automatic Transmission, ONLY 22,278 ECM Verified Miles ...

Condition	Used
Usage	4,629 Hours
Duty Class	Heavy Duty Water Truck
Upfit Make	Ledwell
Horse Power	300 HP
Engine Model	Cummins L9
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb 5.29 ratio
Capacity	4000 Gallons
Stock Number	T18082D
MLS Number	14296367
Category	Water Trucks
Last Updated	4/8/2026
Location	Denver, CO, US
Sold By	DTI Trucks