New 6 Speed Automatic Trucks For Sale

(833) 568-___ SHOW
NUMBERCall Seller

2025 Mack MD6 2000 Gallon Water Truck - Cummins 280HP, 6 Speed Allison Rds Automatic

Contact for price

NEW TIGER MFG. 2,000 GAL. (5) SPRAY WATER TANK SYSTEM, (2) FRONT, (1) DRIVER SIDE, (2) REAR SPRAY HEADS, SELF LOADING/PRIMING PUMP (HYDRAULIC DRIVEN), HOSE REEL WITH 50’ OF 1 ½” HOSE AND...

Condition	New
Duty Class	Medium Duty Water Truck
Upfit Make	Tiger
Horse Power	280 HP
Engine Model	Cummins ISB6.7
Transmission	6 Speed Allison RDS Automatic
Suspension	Leaf Springs
Rear Axle	Single Axle
Capacity	2000 Gallons
Stock Number	0000Stock8
MLS Number	13712012
Category	Water Trucks
Last Updated	9/25/2025
Location	Abilene, TX, US
Sold By	Circle D Truck Sales, Inc.

(855) 804-___ SHOW
NUMBERCall Seller

2026 Kenworth T880 Tri Axle Dump Truck - Cummins 525HP, 6 Speed Allison Rds Automatic, 17.5' Dump

$256,900 USD

2026 Kenworth T880 --- Tri Axle, X15 Cummins 525 HP, Allison Automatic 6 Speed, 4.30 Ratio, 18,740 Front Axle, 46,000 Rear Axle, 226" Wheelbase, 21' 2" Bridge, Chalmers, Double Frame, 3...

Quantity	4
Condition	New
Usage	648 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	HERITAGE
Bed Length	17.5
Horse Power	525 HP
Engine Model	Cummins X15
Drivetrain	8x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Chalmers
Rear Axle	Tri Axle
Rear End	46,000 lb 4.30 ratio
Stock Number	207958
MLS Number	13514229
Category	Dump Trucks
Last Updated	9/30/2025
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

2026 Peterbilt 537 Single Axle Cab & Chassis Truck - Paccar, 350HP, 6 Speed Allison Rds Automatic

Contact for price

2026 537,PX-9 350 HP,ALLISON TRANS 3000 RDS 6 PPD,10KFRT,23KRR,5.13 RATIO175WBALUM WHLS,29575R22.5 FRT,11R22.5 RR 60 GAL FUEL TANK,

Condition	New
Duty Class	Heavy Duty Cab & Chassis Truck
Horse Power	350 HP
Engine Model	Paccar PX9
Drivetrain	4x2
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Trac
Rear Axle	Single Axle
Rear End	23,000 lb 5.13 ratio
Stock Number	277642
MLS Number	13825589
Category	Cab & Chassis Trucks
Last Updated	9/20/2025
Location	Buffalo, NY, US
Sold By	Hunter Truck

2026 Peterbilt 537 Single Axle Cab & Chassis Truck - Paccar, 350HP, 6 Speed Allison Rds Automatic

Contact for price

2026 537,PX-9 350 HP,ALLISON TRANS 3000 RDS 6 PPD,10KFRT,23KRR,5.13 RATIO175WBALUM WHLS,29575R22.5 FRT,11R22.5 RR 60 GAL FUEL TANK,

Condition	New
Duty Class	Heavy Duty Cab & Chassis Truck
Horse Power	350 HP
Engine Model	Paccar PX9
Drivetrain	4x2
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Trac
Rear Axle	Single Axle
Rear End	23,000 lb 5.13 ratio
Stock Number	277637
MLS Number	13825588
Category	Cab & Chassis Trucks
Last Updated	9/20/2025
Location	Buffalo, NY, US
Sold By	Hunter Truck

2026 Peterbilt 520 Garbage Truck - Cummins, 330HP, 6 Speed Automatic

Contact for price

CAB CHASSIS FOR PACKER BODY, BLUE 210WB,CUMMINS ISX12N ENG,, ,ALLISON AUTO 6 SPD,20K FRT,46K RRR,4.78 RATIO,ALUM WHLS,

Condition	New
Duty Class	Heavy Duty Garbage Truck
Horse Power	330 HP
Engine Model	Cummins ISX12N
Transmission	6 Speed Automatic
Rear End	46,000 lb 4.78 ratio
Stock Number	279396
MLS Number	13825493
Category	Garbage Trucks
Last Updated	9/20/2025
Location	Buffalo, NY, US
Sold By	Hunter Truck

2026 Peterbilt 520 Garbage Truck - Cummins, 330HP, 6 Speed Automatic

Contact for price

CAB CHASSIS FOR PACKER BODY, BLUE 210WB,CUMMINS ISX12N ENG,, ,ALLISON AUTO 6 SPD,20K FRT,46K RRR,4.78 RATIO,ALUM WHLS,

Condition	New
Duty Class	Heavy Duty Garbage Truck
Horse Power	330 HP
Engine Model	Cummins ISX12N
Transmission	6 Speed Automatic
Rear End	46,000 lb 4.78 ratio
Stock Number	279395
MLS Number	13825492
Category	Garbage Trucks
Last Updated	9/20/2025
Location	Buffalo, NY, US
Sold By	Hunter Truck

2026 Peterbilt 520 Garbage Truck - Cummins, 330HP, 6 Speed Automatic

Contact for price

CAB CHASSIS FOR PACKER BODY, BLUE 210WB,CUMMINS ISX12N ENG,, ,ALLISON AUTO 6 SPD,20K FRT,46K RRR,4.78 RATIO,ALUM WHLS,

Condition	New
Duty Class	Heavy Duty Garbage Truck
Horse Power	330 HP
Engine Model	Cummins ISX12N
Transmission	6 Speed Automatic
Rear End	46,000 lb 4.78 ratio
Stock Number	279394
MLS Number	13825490
Category	Garbage Trucks
Last Updated	9/20/2025
Location	Buffalo, NY, US
Sold By	Hunter Truck

2026 Peterbilt 520 Garbage Truck - Cummins, 330HP, 6 Speed Automatic

Contact for price

CAB CHASSIS FOR PACKER BODY, BLUE 210WB,CUMMINS ISX12N ENG,, ,ALLISON AUTO 6 SPD,20K FRT,46K RRR,4.78 RATIO,ALUM WHLS,

Condition	New
Duty Class	Heavy Duty Garbage Truck
Horse Power	330 HP
Engine Model	Cummins ISX12N
Transmission	6 Speed Automatic
Rear End	46,000 lb 4.78 ratio
Stock Number	279393
MLS Number	13825489
Category	Garbage Trucks
Last Updated	9/20/2025
Location	Buffalo, NY, US
Sold By	Hunter Truck

2026 Peterbilt 520 Garbage Truck - Cummins, 330HP, 6 Speed Automatic

Contact for price

CAB CHASSIS FOR PACKER BODY, BLUE 210WB,CUMMINS ISX12N ENG,, ,ALLISON AUTO 6 SPD,20K FRT,46K RRR,4.78 RATIO,ALUM WHLS,

Condition	New
Duty Class	Heavy Duty Garbage Truck
Horse Power	330 HP
Engine Model	Cummins ISX12N
Transmission	6 Speed Automatic
Rear End	46,000 lb 4.78 ratio
Stock Number	279302
MLS Number	13825488
Category	Garbage Trucks
Last Updated	9/20/2025
Location	Buffalo, NY, US
Sold By	Hunter Truck

2026 Peterbilt 520 Garbage Truck - Cummins, 330HP, 6 Speed Automatic

Contact for price

CAB CHASSIS FOR PACKER BODY, BLUE 210WB,CUMMINS ISX12N ENG,, ,ALLISON AUTO 6 SPD,20K FRT,46K RRR,4.78 RATIO,ALUM WHLS,

Condition	New
Duty Class	Heavy Duty Garbage Truck
Horse Power	330 HP
Engine Model	Cummins ISX12N
Transmission	6 Speed Automatic
Rear End	46,000 lb 4.78 ratio
Stock Number	279301
MLS Number	13825484
Category	Garbage Trucks
Last Updated	9/20/2025
Location	Buffalo, NY, US
Sold By	Hunter Truck

2026 Peterbilt 520 Garbage Truck - Cummins, 330HP, 6 Speed Automatic

Contact for price

CAB CHASSIS FOR PACKER BODY, BLUE 210WB,CUMMINS ISX12N ENG,, ,ALLISON AUTO 6 SPD,20K FRT,46K RRR,4.78 RATIO,ALUM WHLS,

Condition	New
Duty Class	Heavy Duty Garbage Truck
Horse Power	330 HP
Engine Model	Cummins ISX12N
Transmission	6 Speed Automatic
Rear End	46,000 lb 4.78 ratio
Stock Number	279300
MLS Number	13825483
Category	Garbage Trucks
Last Updated	9/20/2025
Location	Buffalo, NY, US
Sold By	Hunter Truck

2026 Peterbilt 520 Garbage Truck - Cummins, 330HP, 6 Speed Automatic

Contact for price

CAB CHASSIS FOR PACKER BODY, BLUE 210WB,CUMMINS ISX12N ENG,, ,ALLISON AUTO 6 SPD,20K FRT,46K RRR,4.78 RATIO,ALUM WHLS,

Condition	New
Duty Class	Heavy Duty Garbage Truck
Horse Power	330 HP
Engine Model	Cummins ISX12N
Transmission	6 Speed Automatic
Rear End	46,000 lb 4.78 ratio
Stock Number	279299
MLS Number	13825472
Category	Garbage Trucks
Last Updated	9/20/2025
Location	Buffalo, NY, US
Sold By	Hunter Truck

(855) 984-___ SHOW
NUMBERCall Seller

2024 Isuzu NRR Single Axle Hooklift Truck - 4HK1TC, 215HP, 6 Speed Automatic

$106,988 USD

STELLAR 84-10 HOOKLIFT, 16000LB HOIST, IDEAL FOR 10-12FT CANS, 19500GVWR - 10000LB PAYLOAD New 2024 Isuzu NRR DIESEL chassis, standard cab, 132.5" wheelbase, 110.0" CA, 19,500 lbs. GVWR,...

Condition	New
Usage	5 Miles
Duty Class	Medium Duty Hooklift Truck
Horse Power	215 HP
Engine Model	Isuzu 4HK1TC
Drivetrain	4x2
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	5.57 ratio
Stock Number	IN05548
MLS Number	13270980
Category	Hooklift Trucks
Last Updated	9/18/2025
Location	Landover, MD, US
Sold By	All Roads Trucks

(484) 544-___ SHOW
NUMBERCall Seller

2026 Peterbilt 567 Dump Truck - Cummins 525HP, 6 Speed Allison Rds Automatic, 17.5' Dump

Contact for price

Brand New Cummins Power mated to the desirable Allison 6 speed 4500RDS Transmission. Two Units available, One on the ground, the second coming shortly from Upfit

Condition	New
Usage	325 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	PIK RITE
Bed Length	17.5
Horse Power	525 HP
Engine Model	Cummins X15
Emission Rating	USA Tier 4
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Chalmers
Rear Axle	Tandem Axle
Rear End	46,000 lb 4.30 ratio
Stock Number	277683
MLS Number	13767235
Category	Dump Trucks
Last Updated	9/19/2025
Location	Allentown, PA, US
Sold By	Hunter Truck

2026 Peterbilt 537 Single Axle Cab & Chassis Truck - Paccar, 350HP, 6 Speed Allison Rds Automatic

Contact for price

2026 537,PX-9 350 HP,ALLISON TRANS 3000 RDS 6 PPD,10KFRT,23KRR,5.13 RATIO175WBALUM WHLS,29575R22.5 FRT,11R22.5 RR 60 GAL FUEL TANK,

Condition	New
Usage	10 Miles
Duty Class	Heavy Duty Cab & Chassis Truck
Horse Power	350 HP
Engine Model	Paccar PX9
Drivetrain	4x2
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Trac
Rear Axle	Single Axle
Rear End	23,000 lb 5.13 ratio
Stock Number	277636
MLS Number	13437516
Category	Cab & Chassis Trucks
Last Updated	9/20/2025
Location	Buffalo, NY, US
Sold By	Hunter Truck

(724) 243-___ SHOW
NUMBERCall Seller

2024 Peterbilt 567 Tandem Axle Vacuum Truck - Paccar, 355HP, 6 Speed Allison Rds Automatic

Contact for price

4200 Gallon Aluminum Vac Tank. 4" inlet w/ riser and deflector, 4" discharge, provisions for front load. Aluminum hose trays. Shaft driven NVE 887 pump, rated at 532 CFM. Full locking...

Condition	New
Usage	360 Miles
Duty Class	Heavy Duty Vacuum Truck
Horse Power	355 HP
Engine Model	Paccar MX-11
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Trac
Rear Axle	Tandem Axle
Rear End	40,000 lb 4.63 ratio
Stock Number	269035
MLS Number	12941454
Category	Vacuum Trucks
Last Updated	9/17/2025
Location	Smithfield, PA, US
Sold By	Hunter Truck

(855) 984-___ SHOW
NUMBERCall Seller

2024 Isuzu NPR HD 14" + 4" ft Landscape Truck - 350HP, 6 Speed Automatic

$79,985 USD

Equipped with 14' + 4' Open Dovetail New 2024 Isuzu NPR-HD Gas chassis, crew cab, 176 wheelbase, 150'' CA, 14,500 lbs. GVWR, 4.30 rear axle ratio, GMPT-V8 6.6L gas engine (350 hp, 425 lb.-ft...

Condition	New
Usage	710 Miles
Duty Class	Medium Duty Landscape Truck
Bed Length	14" + 4"
Horse Power	350 HP
Engine Model	L8T
Drivetrain	4x2
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	4.30 ratio
Stock Number	IN23849
MLS Number	13364647
Category	Landscape Trucks
Last Updated	9/18/2025
Location	Bel Air, MD, US
Sold By	All Roads Trucks

(855) 984-___ SHOW
NUMBERCall Seller

2024 Isuzu NPR HD 20 ft Landscape Truck - 311HP, 6 Speed Allison Rds Automatic

$65,788 USD

20' Landscape Body w/Dovetail New 2024 Isuzu NPRGASHD CAB/CHASSIS, standard cab, 176” wheelbase, 142" CA, 14,500 lbs. GVWR, 4.30 rear axle ratio, GMPT-V8 6.6L gas engine, 6L90 GMPT 6-speed...

Condition	New
Usage	818 Miles
Duty Class	Medium Duty Landscape Truck
Bed Length	20 ft.
Horse Power	311 HP
Drivetrain	4x2
Transmission	6 Speed Allison RDS Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	4.30 ratio
Stock Number	IN08916
MLS Number	12926113
Category	Landscape Trucks
Last Updated	9/12/2025
Location	Bel Air, MD, US
Sold By	All Roads Trucks

(844) 962-___ SHOW
NUMBERCall Seller

2024 Isuzu NPR HD Single Axle Dump Truck - Gm 350HP, 6 Speed Automatic, 11.5' Dump

Contact for price

Finance and Lease Specials on this Isuzu Dump! 2024 Isuzu NPR HD Gas Aluminum Landscape Dump Truck. On the ground and ready to roll! NO CDL REQUIRED. Body: Eby 11.5'x96" Flex Landscape Body...

Condition	New
Usage	47 Miles
Duty Class	Medium Duty Dump Truck
Bed Length	11.5
Horse Power	350 HP
Drivetrain	4x2
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	14,550 lb 4.30 ratio
Stock Number	202152
MLS Number	13352473
Category	Dump Trucks
Last Updated	9/10/2025
Location	Worcester, MA, US
Sold By	Ballard Truck Center

2025 Autocar XPERT ACMD Cab & Chassis Truck

Contact for price

2025 Autocar XPERT ACMD 26000GVWR Cab and Chassis platform! Perfect for box trucks, flatbeds, tow trucks, hook trucks, street sweepers, and so much more!,

Condition	New
Usage	30 Miles
Duty Class	Heavy Duty Cab & Chassis Truck
Horse Power	260 HP
Transmission	6 Speed Automatic
Stock Number	250654
MLS Number	13644872
Category	Cab & Chassis Trucks
Last Updated	9/7/2025
Location	Roseville, MN, US
Sold By	Universal Truck Sales

2025 Autocar DC64 Tandem Axle Cab & Chassis Truck - Cummins, 430HP, 6 Speed Automatic

Contact for price

2025 Autocar DC64 Tractor – Brand New Built to Work Take command of the road with the all-new 2025 Autocar DC64 Tractor, engineered for heavy-duty performance and reliability. Powered by a...

Condition	New
Usage	1,194 Miles
Duty Class	Heavy Duty Cab & Chassis Truck
Horse Power	430 HP
Engine Model	Cummins X12
Drivetrain	6x4
Transmission	6 Speed Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	40,000 lb
Stock Number	249330
MLS Number	13777352
Category	Cab & Chassis Trucks
Last Updated	9/6/2025
Location	Roseville, MN, US
Sold By	Universal Truck Sales

(772) 409-___ SHOW
NUMBERCall Seller

2026 Kenworth T480 Tandem Axle Flatbed Truck - 330HP, 6 Speed Allison Rds Automatic

$167,995 USD

Transfer this unit to your nearest South Florida location at no additional cost! Fort Lauderdale, Fort Pierce, Riviera Beach, or Naples. Contact us for details! Model Year: 2026, Model: T480...

Condition	New
Usage	1,926 Miles
Duty Class	Heavy Duty Flatbed Truck
Bed Length	24 ft.
Horse Power	330 HP
Engine Model	Paccar PX9
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Hendrickson HMX460
Rear Axle	Tandem Axle
Rear End	46,000 lb 5.38 ratio
Stock Number	KN194016
MLS Number	13765771
Category	Flatbed Trucks
Last Updated	8/26/2025
Location	Fort Pierce, FL, US
Sold By	All Roads Trucks

2024 Autocar DC64 Five Axle Dump Truck - Cummins 455HP, 6 Speed Allison Hs Automatic, 20' Dump

$279,588 USD

2024 Autocar DC64-VOC Dump Truck – Cummins X12 / Allison 4500 / Brandon 21’ Body This brand-new Autocar DC64-VOC is purpose-built for construction, demolition, and heavy-duty hauling....

Condition	New
Usage	1,077 Miles
Duty Class	Heavy Duty Dump Truck
Upfit Make	BRANDON
Bed Length	21 ft.
Horse Power	455 HP
Engine Model	Cummins X12
Drivetrain	8x6
Transmission	6 Speed Allison HS Automatic
Suspension	Hendrickson
Rear Axle	Five Axle
Rear End	46,000 lb 4.56 ratio
Stock Number	247583
MLS Number	13415981
Category	Dump Trucks
Last Updated	8/26/2025
Location	Roseville, MN, US
Sold By	Universal Truck Sales

2023 Autocar DC64 Cab & Chassis Truck

$177,333 USD

2023 Autoocar DC64 Quint Axle Cab Chassis. ***BRAND NEW***.... Cummins X12 Engine w/475 HP. 1122 Miles. 31 Hours. ***SEVERAL UNITS AVAILABLE, ON THE GROUND, READY FOR BUILDS***.... 20K...

Condition	New
Usage	31 Hours
Duty Class	Heavy Duty Cab & Chassis Truck
Horse Power	475 HP
Engine Model	Cummins X12
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Ride
Rear Axle	Five Axle
Rear End	46,000 lb
Stock Number	246584
MLS Number	12755674
Category	Cab & Chassis Trucks
Last Updated	8/15/2025
Location	Roseville, MN, US
Sold By	Universal Truck Sales