Allegiance Trucks Used Heavy Duty 6x4 Trucks For Sale

Allegiance Trucks of New Hampshire, LLC
1400 S. Willow St.
Manchester, NH 03103-4077
United States
(844) 435-4991
View company profile
Your Current Search
Industry
Trucks
GVWR Category
Heavy Duty
Drive Type
6x4
Condition
Used
Click the to remove the filter.
Narrow Your Search
Keyword Search
Search within the selected criteria
Industry
Trucks (28)
Model
Select a manufacturer to view available models.
Condition
Model Year
-
GVWR Category
Heavy Duty (28)
Rear Axle
Transmission Type
Drive Train
6x4 (28)
Cab Style
Fuel Type
Mileage
-
Horsepower
-
Price
-
State / Region
Select a country to view available states.
Market Type
1-25 of 28 results
1-25 of 28 results
International TranStar 8600 Day Cab Truck - 365HP, 6 Speed Automatic
10 0

2017 International TranStar 8600 Day Cab Truck - 365HP, 6 Speed Automatic

Newly Listed
$29,900 USD
1 Miles, Engine: INTERNATIONAL, 365 HP, 6 Speed Automatic Transmission, Drive: 6x4, Air Ride Suspension, Wheel Base: 175, Front Axle Weight: 12000 lb, Rear Axle Weight: 40000 lb
ConditionUsed
Usage1 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power365 HP
Drivetrain6x4
Transmission6 Speed Automatic
SuspensionAir Ride
Rear End40,000 lb 4.88 ratio
Stock Number139146
MLS Number13398238
CategoryDay Cab Semi Trucks
Last Updated2/14/2025
Location
Walpole, MA, US
Sold By

Allegiance Trucks

International HX Sleeper Semi Truck - Cummins 565HP, Manual
18 0

2023 International HX Sleeper Semi Truck - Cummins 565HP, Manual

Newly Listed
$134,900 USD
202994 Miles, Engine: CUMMINS, 565 HP, Manual Transmission, Drive: 6x4, 4 Bag Air Ride Suspension, Sleeper Size: 72, Wheel Base: 270, Front Axle Weight: 12000 lb, Rear Axle Weight: 40000 lb
ConditionUsed
Usage202,994 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power565 HP
Drivetrain6x4
TransmissionManual
Sleeper Size72"
Suspension4 Bag Air Ride
Rear End40,000 lb 3.42 ratio
Stock Number288855
MLS Number13398236
CategorySleeper Semi Trucks
Last Updated2/14/2025
Location
Barrington, NH, US
Sold By

Allegiance Trucks

International ProStar Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 460HP, 10 Speed Manual
33 0

2017 International ProStar Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 460HP, 10 Speed Manual

Recently Updated
$39,900 USD
Clean Tandem Axle Day Cab, Cummins X15 450HP, Autoshift Trans, LOW MILES !! READY TO WORK, GrossVehicleWeightRating: Class 8: 33,001 pounds, engine type: ISX15, ACCondition: Used,
ConditionUsed
Usage265,575 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelCummins ISX15
Drivetrain6x4
Transmission10 Speed Automatic
Sleeper TypeRaised Roof Sleeper
Sleeper Size73"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 2.64 ratio
Stock Number108542
MLS Number10825710
CategorySleeper Semi Trucks
Last Updated2/12/2025
Location
Walpole, MA, US
Sold By

Allegiance Trucks

International HX Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 525HP
17 0

2023 International HX Sleeper Semi Truck - 73" Raised Roof Sleeper, Cummins 525HP

Price Drop
$149,900 USD
Loaded With Extras!!!!!!!! (Factory Engine Warranty 5yr/500,000)Exp. 11/07/27, GrossVehicleWeightRating: Class 8: 33,001 pounds, cab: Standard Cab, engine type: X15, ACCondition: Used,
ConditionUsed
Usage177,679 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power525 HP
Drivetrain6x4
Transmission13 Speed
Sleeper TypeRaised Roof Sleeper
Sleeper Size73"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.36 ratio
Stock Number340751
MLS Number13015222
CategorySleeper Semi Trucks
Last Updated2/7/2025
Location
Manchester, NH, US
Sold By

Allegiance Trucks

Mack Pinnacle CHU613 Day Cab Truck - MP8 445HP
15 0

2019 Mack Pinnacle CHU613 Day Cab Truck - MP8 445HP

$39,900 USD
578321 Miles, Engine: MACK MP8, 445 HP, Fuel Type: Diesel, Drive: 6x4, Air Ride Suspension, Wheel Base: 202, Tandem Rear Axles, Front Axle Weight: 12000 lb, Rear Axle Weight: 40000 lb
ConditionUsed
Usage578,321 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power445 HP
Engine ModelMack MP8
Drivetrain6x4
Transmission10 Speed
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.73 ratio
Stock Number336535
MLS Number13015214
CategoryDay Cab Semi Trucks
Last Updated2/13/2025
Location
Manchester, NH, US
Sold By

Allegiance Trucks

International RH Day Cab Truck - A26 430HP, 10 Speed Automatic
4 0

2019 International RH Day Cab Truck - A26 430HP, 10 Speed Automatic

$24,900 USD
332603 Miles, Engine: INTERNATIONAL A26, 430 HP, Fuel Type: Diesel, 10 Speed Automatic Transmission, Drive: 6x4, Air Ride Suspension, Wheel Base: 175, Tandem Rear Axles, Front Axle Weight:...
ConditionUsed
Usage332,603 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power430 HP
Engine ModelInternational A26
Drivetrain6x4
Transmission10 Speed Automatic
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb
Stock Number335235
MLS Number13129780
CategoryDay Cab Semi Trucks
Last Updated2/5/2025
Location
Bangor, ME, US
Sold By

Allegiance Trucks

Freightliner Cascadia 125 Day Cab Truck - Detroit 410HP, 10 Speed Manual
8 0

2012 Freightliner Cascadia 125 Day Cab Truck - Detroit 410HP, 10 Speed Manual

$16,900 USD
443137 Miles, Engine: DETROIT DD13, 410 HP, Fuel Type: Diesel, 10 Speed Manual Transmission, Drive: 6x4, Air Ride Suspension, Wheel Base: 254, Tandem Rear Axles, Front Axle Weight: 12000 lb,...
ConditionUsed
Usage443,137 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power410 HP
Engine ModelDetroit DD13
Drivetrain6x4
Transmission10 Speed Manual
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 4.11 ratio
Stock Number328663
MLS Number12739116
CategoryDay Cab Semi Trucks
Last Updated1/30/2025
Location
Manchester, NH, US
Sold By

Allegiance Trucks

International LT Day Cab Truck - Cummins 450HP, 10 Speed Automatic
10 0

2019 International LT Day Cab Truck - Cummins 450HP, 10 Speed Automatic

$36,900 USD
very clean low mile tandem day cab, ISX Power, Auto Shift, GrossVehicleWeightRating: Class 8: 33,001 pounds, engine type: X15, ACCondition: Used,
ConditionUsed
Usage344,580 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power450 HP
Drivetrain6x4
Transmission10 Speed Automatic
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 2.64 ratio
Stock Number277518
MLS Number13364600
CategoryDay Cab Semi Trucks
Last Updated1/25/2025
Location
Liverpool, NY, US
Sold By

Allegiance Trucks

International LoneStar Day Cab Truck - Cummins 505HP, Manual
10 0

2020 International LoneStar Day Cab Truck - Cummins 505HP, Manual

$88,900 USD
Hard to Find, Big Cummins Power 505hp, Manual Trans, 46k Rears, Fancy Low Mile Truck Ready TO Work !, NumSpeeds: SPEED, GrossVehicleWeightRating: Class 8: 33,001 pounds, engine type: ISX15,...
ConditionUsed
Usage345,996 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power505 HP
Drivetrain6x4
TransmissionManual
Rear AxleTandem Axle
Rear End46,000 lb 3.58 ratio
Stock Number279482
MLS Number13364599
CategoryDay Cab Semi Trucks
Last Updated1/25/2025
Location
Liverpool, NY, US
Sold By

Allegiance Trucks

International LoneStar Day Cab Truck - Cummins 525HP, 18 Speed Manual
6 0

2022 International LoneStar Day Cab Truck - Cummins 525HP, 18 Speed Manual

$98,900 USD
301961 Miles, Engine: CUMMINS, 525 HP, 18 Speed Manual Transmission, Drive: 6x4, Air Ride Suspension, Wheel Base: 217, Front Axle Weight: 14000 lb, Rear Axle Weight: 46000 lb
ConditionUsed
Usage301,961 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power525 HP
Drivetrain6x4
Transmission18 Speed Manual
SuspensionAir Ride
Rear End46,000 lb 3.91 ratio
Stock Number160851
MLS Number13364593
CategoryDay Cab Semi Trucks
Last Updated1/25/2025
Location
Hudson, NY, US
Sold By

Allegiance Trucks

International 9900 Sleeper Semi Truck - Cummins 550HP
18 0

2016 International 9900 Sleeper Semi Truck - Cummins 550HP

$62,900 USD
Very Nice Heavy Axle Sleeper with Big Cummins 550HP and 18 spd manual trans !!, NumSpeeds: MANUAL, GrossVehicleWeightRating: Class 8: 33,001 pounds, cab: Standard Cab, engine type: ISX,...
ConditionUsed
Usage10 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power550 HP
Drivetrain6x4
TransmissionManual
Sleeper Size51"
Rear AxleTandem Axle
Rear End46,000 lb 3.73 ratio
Stock Number242962
MLS Number12011030
CategorySleeper Semi Trucks
Last Updated1/28/2025
Location
Fort Kent, ME, US
Sold By

Allegiance Trucks

International LT Sleeper Semi Truck - Cummins 450HP, Automatic
20 0

2019 International LT Sleeper Semi Truck - Cummins 450HP, Automatic

$32,900 USD
415448 Miles, Engine: CUMMINS, 450 HP, Fuel Type: Diesel, Automatic Transmission, Drive: 6x4, Air Ride Suspension, Sleeper Size: 73, Wheel Base: 240, Tandem Rear Axles, Front Axle Weight:...
ConditionUsed
Usage415,448 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Drivetrain6x4
TransmissionAutomatic
Sleeper Size73"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 2.79 ratio
Stock Number228077
MLS Number11837855
CategorySleeper Semi Trucks
Last Updated1/21/2025
Location
Liverpool, NY, US
Sold By

Allegiance Trucks

International WorkStar 7400 Tandem Axle Plow / Spreader Truck - MAXXFORCE 13, 475HP, Manual
25 0

2011 International WorkStar 7400 Tandem Axle Plow / Spreader Truck - MAXXFORCE 13, 475HP, Manual

$42,900 USD
New Engine w/ Warranty!! 475HP with 18spd, 14' steel dump, 3 asphalt shoots, tow plate, load cover, very nice truck !!, GrossVehicleWeightRating: Class 8: 33,001 pounds, sleeper: NA,...
ConditionUsed
Usage146,497 Miles
Duty ClassHeavy Duty Plow / Spreader Truck
Horse Power475 HP
Engine ModelInternational MAXXFORCE 13
Drivetrain6x4
Transmission18 Speed Manual
SuspensionSpring
Rear AxleTandem Axle
Rear End46,000 lb 4.89 ratio
Stock Number228403
MLS Number11287475
CategoryPlow / Spreader Trucks
Last Updated1/10/2025
Location
Hartford, CT, US
Sold By

Allegiance Trucks

International HX Sleeper Semi Truck - 51" Flat Top Sleeper, Cummins 605HP, Manual
18 0

2019 International HX Sleeper Semi Truck - 51" Flat Top Sleeper, Cummins 605HP, Manual

$89,900 USD
VERY NICE HEAVY SPEC AIR RIDE SMALL BUNK TRACTOR, WARRANTY REMAINING ON THE UNIT, FULL LOCKING 46 REARS, 18 SPEED TRANS, NEW RADIATOR, LIKE NEW RUBBER, 605 CUMMINS ,, NumSpeeds: 18,...
ConditionUsed
Usage371,953 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power605 HP
Drivetrain6x4
TransmissionManual
Sleeper TypeFlat Top Sleeper
Sleeper Size51"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End46,000 lb 3.90 ratio
Stock Number242973
MLS Number12115452
CategorySleeper Semi Trucks
Last Updated1/9/2025
Location
Bangor, ME, US
Sold By

Allegiance Trucks

International LoneStar Day Cab Truck - Cummins 505HP, 10 Speed Manual
18 0

2020 International LoneStar Day Cab Truck - Cummins 505HP, 10 Speed Manual

$88,900 USD
Heavy Spec Rears, Fancy Lonestar, Hard to Find !!, Big Cummins, Manual Trans, 46k Rears, Nice Low Miles, GrossVehicleWeightRating: Class 8: 33,001 pounds, engine type: ISX15, ACCondition:...
ConditionUsed
Usage351,311 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power505 HP
Drivetrain6x4
Transmission10 Speed Manual
SuspensionAir Ride
Rear AxleTandem Axle
Rear End46,000 lb 3.58 ratio
Stock Number275387
MLS Number13272859
CategoryDay Cab Semi Trucks
Last Updated1/1/2025
Location
Liverpool, NY, US
Sold By

Allegiance Trucks

Freightliner Cascadia 125 Sleeper Semi Truck - 60" Raised Roof Sleeper, Detroit 505HP, Automatic
8 0

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

$59,900 USD
422586 Miles, Engine: DETROIT DD15, 505 HP, Fuel Type: Diesel, Automatic Transmission, Drive: 6x4, Air Ride Suspension, Sleeper Type: Raised Roof Sleeper, Sleeper Size: 60, Wheel Base: 241,...
ConditionUsed
Usage422,586 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power505 HP
Engine ModelDetroit DD15
Drivetrain6x4
TransmissionAutomatic
Sleeper TypeRaised Roof Sleeper
Sleeper Size60"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End46,000 lb 3.73 ratio
Stock Number334995
MLS Number13129777
CategorySleeper Semi Trucks
Last Updated12/7/2024
Location
Barrington, NH, US
Sold By

Allegiance Trucks

International LT Sleeper Semi Truck - 73" Mid Roof Sleeper, Cummins 450HP, 10 Speed Manual
18 0

2018 International LT Sleeper Semi Truck - 73" Mid Roof Sleeper, Cummins 450HP, 10 Speed Manual

$26,900 USD
Nice clean sleeper with ISX power and Manual Trans !, GrossVehicleWeightRating: Class 8: 33,001 pounds, cab: Standard Cab, engine type: X15, ACCondition: Used,
ConditionUsed
Usage485,122 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Drivetrain6x4
Transmission10 Speed Manual
Sleeper TypeMid Roof Sleeper
Sleeper Size73"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.25 ratio
Stock Number243073
MLS Number11675602
CategorySleeper Semi Trucks
Last Updated12/6/2024
Location
Linden, NJ, US
Sold By

Allegiance Trucks

International HX Day Cab Truck - Cummins 505HP
9 0

2018 International HX Day Cab Truck - Cummins 505HP

$99,900 USD
two line wet system high pressure pump, head ache rack fenders engine type: X15, ACCondition: Used,
ConditionUsed
Usage155,470 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power505 HP
Drivetrain6x4
Stock Number203735
MLS Number13201161
CategoryDay Cab Semi Trucks
Last Updated11/16/2024
Location
Manchester, NH, US
Sold By

Allegiance Trucks

Peterbilt 389 Sleeper Semi Truck - 78" Raised Roof Sleeper, Cummins 500HP, 18 Speed Manual
40 0

2022 Peterbilt 389 Sleeper Semi Truck - 78" Raised Roof Sleeper, Cummins 500HP, 18 Speed Manual

$139,900 USD
(4) Matched Hoods, X15 500 hp, RTLO18918 spd trans, Standup sleeper, Dual exhaust, Dual stainless breathers, Polished alum air tanks, Dual 150 gal w/4 straps, Texas bumper, Financing...
ConditionUsed
Usage320,537 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power500 HP
Drivetrain6x4
Transmission18 Speed Manual
Sleeper TypeRaised Roof Sleeper
Sleeper Size78"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.36 ratio
Stock Number339351
MLS Number12925868
CategorySleeper Semi Trucks
Last Updated11/16/2024
Location
Manchester, NH, US
Sold By

Allegiance Trucks

Peterbilt 348 Tandem Axle Flatbed Truck
1 0

2022 Peterbilt 348 Tandem Axle Flatbed Truck

$189,900 USD
55313 Miles, Engine: PACCAR PX9, Drive: 6x4, Tandem Rear Axles
ConditionUsed
Usage55,313 Miles
Duty ClassHeavy Duty Flatbed Truck
Engine ModelPaccar PX9
Drivetrain6x4
Rear AxleTandem Axle
Stock Number341826
MLS Number13201201
CategoryFlatbed Trucks
Last Updated11/16/2024
Location
Manchester, NH, US
Sold By

Allegiance Trucks

Kenworth T400 Tandem Axle Flatbed Truck - 400HP, 10 Speed Manual
14 0

2014 Kenworth T400 Tandem Axle Flatbed Truck - 400HP, 10 Speed Manual

$89,900 USD
23' dumping flatbed, Moffett set up on rear, GrossVehicleWeightRating: Class 8: 33,001 pounds, HasSleeper: Conventional Cab, sleepersize: N/A, engine type: px9, ACCondition: Used,
ConditionUsed
Usage151,145 Miles
Duty ClassHeavy Duty Flatbed Truck
Horse Power300 HP
Engine ModelPaccar PX9
Drivetrain6x4
Transmission10 Speed Manual
SuspensionWalking Beam
Rear AxleTandem Axle
Rear End46,000 lb 4.63 ratio
Stock Number326407
MLS Number12291656
CategoryFlatbed Trucks
Last Updated11/1/2024
Location
Barrington, NH, US
Sold By

Allegiance Trucks

International LT Day Cab Truck - Cummins 450HP
3 0

2018 International LT Day Cab Truck - Cummins 450HP

$34,900 USD
318757 Miles, Engine: CUMMINS, 450 HP, Fuel Type: Diesel, Drive: 6x4, Air Ride Suspension, Wheel Base: 187, Tandem Rear Axles, Front Axle Weight: 12350 lb, Rear Axle Weight: 40000 lb
ConditionUsed
Usage318,757 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power450 HP
Drivetrain6x4
Transmission10 Speed
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.08 ratio
Stock Number164421
MLS Number12589671
CategoryDay Cab Semi Trucks
Last Updated9/9/2024
Location
Langhorne, PA, US
Sold By

Allegiance Trucks

International ProStar Day Cab Truck - Cummins 450HP, 10 Speed Automatic
3 0

2017 International ProStar Day Cab Truck - Cummins 450HP, 10 Speed Automatic

$34,900 USD
239950 Miles, Engine: CUMMINS, 450 HP, Fuel Type: Diesel, 10 Speed Automatic Transmission, Drive: 6x4, Air Ride Suspension, Wheel Base: 210, Tandem Rear Axles, Front Axle Weight: 12350 lb,...
ConditionUsed
Usage239,950 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power450 HP
Drivetrain6x4
Transmission10 Speed Automatic
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb
Stock Number108541
MLS Number12589668
CategoryDay Cab Semi Trucks
Last Updated9/9/2024
Location
Warkwick, RI, US
Sold By

Allegiance Trucks

International LT Day Cab Truck - Cummins 450HP
20 0

2018 International LT Day Cab Truck - Cummins 450HP

$34,900 USD
326777 Miles, Engine: CUMMINS, 450 HP, Fuel Type: Diesel, Drive: 6x4, Air Ride Suspension, Wheel Base: 187, Tandem Rear Axles, Front Axle Weight: 12350 lb, Rear Axle Weight: 40000 lb
ConditionUsed
Usage326,777 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power450 HP
Drivetrain6x4
Transmission10 Speed
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.08 ratio
Stock Number164418
MLS Number12589650
CategoryDay Cab Semi Trucks
Last Updated9/9/2024
Location
Liverpool, NY, US
Sold By

Allegiance Trucks

International ProStar Day Cab Truck - Cummins 450HP, 10 Speed Manual
16 0

2015 International ProStar Day Cab Truck - Cummins 450HP, 10 Speed Manual

$72,900 USD
ISX15 450HP, 10spd manual Trans, LOW LOW MILES!!!, Tandem DAY CAB, GrossVehicleWeightRating: Class 8: 33,001 pounds, engine type: ISX15, ACCondition: Used,
ConditionUsed
Usage211,162 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power450 HP
Drivetrain6x4
Transmission10 Speed Manual
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.70 ratio
Stock Number108352
MLS Number11675593
CategoryDay Cab Semi Trucks
Last Updated3/26/2024
Location
Walpole, MA, US
Sold By

Allegiance Trucks

Did you find what you were looking for? Yes No