New 6 Speed Automatic Trucks For Sale

651 - 675 of 675 listings

2025 Isuzu NRR Roll Off Truck - 350HP, 6 Speed Allison Rds Automatic

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2025 Isuzu NRR Gas w/ Limited Slip Rears (Posi): Switch-N-Go Body, Hoist, 12-4020-15E-11T Gen II, Universal bumper with light bars, Drop box with 12' floor, 51" sides, single side swing...

Condition	New
Duty Class	Medium Duty Roll Off Truck
Horse Power	350 HP
Transmission	6 Speed Allison RDS Automatic
Rear End	5.37 ratio
Stock Number	02226
MLS Number	13662708
Category	Roll Off Trucks
Last Updated	6/24/2025
Location	Worcester, MA, US
Sold By	Ballard Truck Center

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2024 Autocar DC64 Cab & Chassis Truck

$188,770 USD

AUTOCAR - MAD MAX BLACKED OUT VERSION!!!! Quad axle, tri-axle, tandem, configurations available, 20K steers, 46K drives air ride, full locker, Cummins, Allison, 100+ year old Autocar is ...

Condition	New
Usage	1,015 Miles
Duty Class	Heavy Duty Cab & Chassis Truck
Horse Power	455 HP
Engine Model	Cummins X12
Drivetrain	8x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Ride
Rear Axle	Quad Axle
Rear End	46,000 lb 4.56 ratio
Stock Number	RC247593
MLS Number	13040451
Category	Cab & Chassis Trucks
Last Updated	6/13/2025
Location	Roseville, MN, US
Sold By	Universal Truck Sales

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2025 Mack MD6 Sewer / Septic Truck - Iron-Vac 2100 Gallon Steel Tank Body

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2025 Mack MD6 (pricing subject to change) 6.7L Cummins Engine (300HP) Allison 6 Speed Automatic Transmission 26k GVWR 2100 Gallon Steel Tank Battioni Ballast 11000 (393 CFM) Chrome...

Warranty

Condition	New
Duty Class	Medium Duty Sewer / Septic Truck
Upfit Type	Tank Body
Upfit Make	Iron-Vac
Upfit Model	2100 Gallon Steel
Horse Power	300 HP
Engine Model	Cummins 6.7L
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Ride
Capacity	2100 Gallons
MLS Number	13090570
Category	Sewer / Septic Trucks
Last Updated	6/9/2025
Location	Searcy, AR, US
Sold By	SepticTrucks.com

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2025 Isuzu NRR 14 ft Refrigerated Truck - 350HP, 6 Speed Allison Rds Automatic, Thermo King

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2025 Isuzu NRR Gas Truck w/ Thermo King Reefer Box Radio AM/FM/CD/Bluetooth, Audio system w/ 7" touch screen, LED lighting package, Air conditioning, Power windows and locks, 14'...

Condition	New
Duty Class	Medium Duty Refrigerated Truck
Box Length	14 ft.
Horse Power	350 HP
Transmission	6 Speed Allison RDS Automatic
Reefer Unit	Thermo King
Rear End	5.37 ratio
Door Type	Roll up
Stock Number	01048
MLS Number	13627846
Category	Refrigerated Trucks
Last Updated	6/5/2025
Location	Worcester, MA, US
Sold By	Ballard Truck Center

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2019 Autocar XPEDITOR ACX Cab & Chassis Truck

$169,999 USD

NEW with full warranty HEAVY HEAVY HEAVY DUTY cab and chassis, 130,000lb capacity, frame reinforcement w/full length liner. Truck can be modified by Universal or your builder into any...

Condition	New
Usage	1,165 Miles
Duty Class	Heavy Duty Cab & Chassis Truck
Horse Power	455 HP
Engine Model	Cummins ISX
Transmission	6 Speed Automatic
Suspension	Air Ride
Rear Axle	Quad Axle
Rear End	89,000 lb 5.38 ratio
Stock Number	221982
MLS Number	13039077
Category	Cab & Chassis Trucks
Last Updated	5/28/2025
Location	Roseville, MN, US
Sold By	Universal Truck Sales

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2025 Autocar DC64 Tri Axle Day Cab Truck - Cummins 500HP, 6 Speed Automatic

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This is the BRAND NEW Autocar Semi! Built on the same heavy duty frame as their Cab and Chassis trucks, this tough truck is perfect for any heavy duty job. Built to your spec, get your hands...

Condition	New
Usage	1,000 Miles
Duty Class	Heavy Duty Day Cab Truck
Horse Power	500 HP
Engine Model	Cummins X12
Drivetrain	8x4
Transmission	6 Speed Automatic
Suspension	Air Ride
Rear Axle	Tri Axle
Rear End	59,000 lb
MLS Number	13519991
Category	Day Cab Semi Trucks
Last Updated	4/29/2025
Location	Roseville, MN, US
Sold By	Universal Truck Sales

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2024 Autocar DC64 Dump Truck - Cummins 455HP, 6 Speed Allison Rds Automatic, 19' Dump

$276,000 USD

Green Machine - paint scheme, wheels, frame etc. available - body can be painted to match (body not included in truck chassis quote),

Condition	New
Usage	1,100 Miles
Duty Class	Heavy Duty Dump Truck
Bed Length	19 ft.
Horse Power	455 HP
Engine Model	Cummins X12
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	46,000 lb 4.56 ratio
Stock Number	Green Machine
MLS Number	13063310
Category	Dump Trucks
Last Updated	4/29/2025
Location	Roseville, MN, US
Sold By	Universal Truck Sales

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2024 Isuzu NPR XD Landscape Truck - 6 Speed Automatic

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NEW 2024 Isuzu NPRXD with Knapheide landscape body The Knapheide landscaper body features, as standard equipment: , Three doors for versatility in loading and dumping o 50-inch wide curbside...

Condition	New
Duty Class	Medium Duty Landscape Truck
Transmission	6 Speed Automatic
Stock Number	02476
MLS Number	12967809
Category	Landscape Trucks
Last Updated	4/2/2025
Location	Worcester, MA, US
Sold By	Ballard Truck Center

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2025 Isuzu NRR 6 ft Box Truck - 215HP, 6 Speed Automatic, Roll up Door, Liftgate

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2025 Isuzu NRR with 20' Morgan Dry Freight Body Radio AM/FM Aux input, bluetooth, Audio system w/ 7 touch, backup camera, LED lighting, Three person seating, Wheelbase 176", ...

Condition	New
Duty Class	Medium Duty Box Truck
Box Length	6 ft.
Horse Power	215 HP
Drivetrain	4x2
Transmission	6 Speed Automatic
Rear Axle	Single Axle
Rear End	5.57 ratio
Door Type	Roll up
Liftgate	Yes
Stock Number	01766
MLS Number	13448818
Category	Delivery / Moving / Straight / Box Trucks
Last Updated	3/14/2025
Location	Worcester, MA, US
Sold By	Ballard Truck Center

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2024 Isuzu NPR HD 6 ft Box Truck - 215HP, 6 Speed Automatic, Roll up Door

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**Fleet Order Cancellation**Special Purchase***Special Financing Rate of 5.99% Fixed(with A+ Tier Approved Credit) 2024 Isuzu NPR HD with DuraMag Van Body, Ratio 4.56 to 1, Radio...

Condition	New
Duty Class	Medium Duty Box Truck
Box Length	6 ft.
Horse Power	215 HP
Engine Model	Isuzu 4HK1TC
Drivetrain	4x2
Transmission	6 Speed Automatic
Rear Axle	Single Axle
Rear End	4.56 ratio
Door Type	Roll up
Stock Number	17896
MLS Number	13430963
Category	Delivery / Moving / Straight / Box Trucks
Last Updated	3/5/2025
Location	Worcester, MA, US
Sold By	Ballard Truck Center

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2024 Isuzu NPR HD 6 ft Box Truck - 215HP, 6 Speed Automatic, Roll up Door

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**Fleet Order Cancellation**Special Purchase***Special Financing Rate of 5.99% Fixed(with A+ Tier Approved Credit) 2024 Isuzu NPR HD with DuraMag Van Body + Ramp, Ratio 4.56 to 1, Radio AM...

Condition	New
Duty Class	Medium Duty Box Truck
Box Length	6 ft.
Horse Power	215 HP
Engine Model	Isuzu 4HK1TC
Drivetrain	4x2
Transmission	6 Speed Automatic
Rear Axle	Single Axle
Rear End	4.56 ratio
Door Type	Roll up
Ramps	Yes
Stock Number	18608
MLS Number	13430947
Category	Delivery / Moving / Straight / Box Trucks
Last Updated	3/5/2025
Location	Worcester, MA, US
Sold By	Ballard Truck Center

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2024 Isuzu NPR HD 6 ft Box Truck - 215HP, 6 Speed Automatic, Roll up Door

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2024 Isuzu NPR HD, Model 3F3 24 (ADAS System) 16’ x 91” H x 96” W, Aluminum Box, LED interior dome light, wired to one switch, 1/2" AC plywood interior walls, Upgrade to 12" on center...

Condition	New
Duty Class	Medium Duty Box Truck
Box Length	6 ft.
Horse Power	215 HP
Drivetrain	4x2
Transmission	6 Speed Automatic
Rear Axle	Single Axle
Rear End	4.56 ratio
Door Type	Roll up
Ramps	Yes
Stock Number	18639
MLS Number	13412041
Category	Delivery / Moving / Straight / Box Trucks
Last Updated	2/21/2025
Location	Worcester, MA, US
Sold By	Ballard Truck Center

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2024 Autocar DC64 Cab & Chassis Truck - Cummins, 455HP, Automatic

$185,995 USD

2024 Autocar DC64 Front Axle 20k Rear Axle 46k 455HP Cummins X12 Hendrickson Air Suspension Allison 4500 Transmission Drum Brakes Back of Cab to Trunnion 226.6 inches

Condition	New
Usage	1,100 Miles
Duty Class	Heavy Duty Cab & Chassis Truck
Horse Power	455 HP
Engine Model	Cummins X12
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	46,000 lb 4.89 ratio
Stock Number	246647
MLS Number	13224586
Category	Cab & Chassis Trucks
Last Updated	12/25/2024
Location	Roseville, MN, US
Sold By	Universal Truck Sales

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2023 Autocar DC64 Cab & Chassis Truck

$183,281 USD

2023 Autocar DC64 Quint Axle Cab Chassis. *BRAND NEW 2023 TRUCK* 1075 Miles. 28 Hours. 20K Front Axle, 46K Rear Axles, Three 8K Lift Axles, 90K GVWR. Cummins Engine, HP. Spring Ride...

Condition	New
Usage	28 Hours
Duty Class	Heavy Duty Cab & Chassis Truck
Horse Power	475 HP
Engine Model	Cummins X12
Transmission	6 Speed Allison RDS Automatic
Suspension	Spring
Rear Axle	Five Axle
Rear End	60,000 lb 4.30 ratio
Stock Number	246586
MLS Number	12755675
Category	Cab & Chassis Trucks
Last Updated	11/16/2024
Location	Roseville, MN, US
Sold By	Universal Truck Sales

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2025 Mack MD642 Rollback Tow Truck - Jerr-Dan Rollback Towing Body, New, Arizona, Automatic IN STOCK

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New Mack rollback tow truck for sale at Midco Sales. Key Specs: Mack MD642, Cummins diesel 300HP, automatic transmission, Jerr-Dan 22' steel deck, 8k winch, wheel lift. CHASSIS SPECS, Mack...

Condition	New
Usage	183 Miles
Duty Class	Medium Duty Rollback Tow Truck
Upfit Type	Rollback Towing Body
Upfit Make	Jerr-Dan
Bed Length	22 ft.
Horse Power	300 HP
Engine Model	Cummins B6.7
Drivetrain	4x2
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Ride
Rear Axle	Single Axle
Rear End	17,000 lb
Winch	Yes
Stock Number	T14850
MLS Number	13227217
Category	Rollback Tow Trucks
Last Updated	12/6/2024
Location	Chandler, AZ, US
Sold By	Midco Sales

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2025 Dodge Ram 5500 Sewer / Septic Truck - Iron-Vac 1250 Gallon Stainless Steel Tank Body

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2025 Dodge 5500 6.7L Cummins Turbo Diesel (300HP) 6 Speed Automatic Aisin AS69RC HD Transmission 19.5k GVWR 1250 Stainless Steel Tank Masport HXL75 (230 CFM) Spring Ride Suspension

Warranty

Condition	New
Duty Class	Medium Duty Sewer / Septic Truck
Upfit Type	Tank Body
Upfit Make	Iron-Vac
Upfit Model	1250 Gallon
Horse Power	300 HP
Drivetrain	4x4
Transmission	6 Speed Automatic
Suspension	4 Spring
Capacity	1250 Gallons
MLS Number	13090669
Category	Sewer / Septic Trucks
Last Updated	10/13/2025
Location	Searcy, AR, US
Sold By	SepticTrucks.com

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2025 Ford F-650 XL XL Extended Cab Chipper Truck - Arbortech 14' chip dump Chipper Body

$121,500 USD

Ready to Roll !!! Just in 2025 Ford F-650 Supercab - Ford 7.3 L Gas motor - Auto - Remote Keyless Entry - Back up Camera - Power heated Mirrors - and so much more - Upfit from General Truck...

Quantity	2
Condition	New
Duty Class	Medium Duty Chipper Truck
Upfit Type	Chipper Body
Upfit Make	Arbortech
Upfit Model	14' chip dump
Box Length	14 ft.
Engine Model	Ford 7.3
Drivetrain	4x2
Transmission	6 Speed Automatic
Stock Number	1796040
MLS Number	13081311
Category	Chipper Trucks
Last Updated	8/30/2024
Location	Dallas, TX, US
Sold By	Rush Truck Centers Ford and Isuzu

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IN STOCK!!! 2024 Isuzu NPR-HD CREW CAB LANDSCAPE BODY Crew Cab Landscape Truck - WIL-RO 14 FT Landscape Body

$69,990 USD

Call Aaron Davis for additional information on this truck 972-268-4857 This 2024 Isuzu NPR-HD Crew Cab comes with a V8 Gas engine, 6 speed automatic transmission, power windows, power locks,...

Warranty

Condition	New
Duty Class	Medium Duty Landscape Truck
Upfit Type	Landscape Body
Upfit Make	WIL-RO
Upfit Model	14 FT
Bed Length	14 ft.
Horse Power	350 HP
Engine Model	GMPT-V8 6.6L Gas
Drivetrain	4x2
Transmission	6 Speed Automatic
Rear End	4.30 ratio
Ramps	Yes
Stock Number	1679212
MLS Number	12583396
Category	Landscape Trucks
Last Updated	8/5/2024
Location	Dallas, TX, US
Sold By	Rush Truck Centers Ford and Isuzu

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2025 2026 Kenworth T480 Water Truck - UnitedBuilt 4000-5000 Gallon Tank Body

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** IN PRODUCTION CONTACT FOR AVAILABILITY **, UnitedBuilt 4000-5000 Water Truck, New Kenworth T480, PX-9 330HP, Allison 3500-RDS Automatic 6-Speed, New Kenworth Factory Warranty. ** NOTE:...

Warranty

Condition	New
Duty Class	Heavy Duty Water Truck
Upfit Type	Tank Body
Upfit Make	UnitedBuilt
Horse Power	330 HP
Engine Model	Paccar PX-9
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	HaulMaax
Rear Axle	Tandem Axle
Rear End	46,000 lb 6.14 ratio
MLS Number	10042192
Category	Water Trucks
Last Updated	8/29/2025
Location	Phoenix, AZ, US
Sold By	United Truck & Equipment, Inc.

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2024 Ford F-750 Cab & Chassis Truck 33,000 GVWR

$73,455.88 USD

2024 Ford F-750, Ford, 7.3L V8 Gas, 335HP, Ford 6 Speed Transmission, Day Cab, Stock # 1662512 PLEASE CONTACT AARON DAVIS FOR COMPLETE DETAILS AND TO CHECK AVAILABILITIES. With new units...

Warranty

Quantity	5
Condition	New
Duty Class	Heavy Duty Cab & Chassis Truck
Horse Power	335 HP
Engine Model	Ford 7.3
Drivetrain	4x2
Transmission	6 Speed Automatic
Rear End	6.17 ratio
Stock Number	1662512
MLS Number	12523411
Category	Cab & Chassis Trucks
Last Updated	2/14/2024
Location	Dallas, TX, US
Sold By	Rush Truck Centers Ford and Isuzu

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2024 Ford F-750 Cab & Chassis Truck Super Cab Perfect for 24' Body

$79,788.99 USD

2024 Ford F-750, Ford, 7.3L V8 Gas, 335HP, Ford 6 Speed Transmission, Day Cab, Stock # 1649587 PLEASE CONTACT AARON DAVIS FOR COMPLETE DETAILS AND TO CHECK AVAILABILITIES. With new units...

Warranty

Quantity	3
Condition	New
Duty Class	Medium Duty Cab & Chassis Truck
Horse Power	335 HP
Engine Model	Ford 7.3
Drivetrain	4x2
Transmission	6 Speed Automatic
Rear End	6.50 ratio
Stock Number	1649587
MLS Number	12523410
Category	Cab & Chassis Trucks
Last Updated	2/14/2024
Location	Dallas, TX, US
Sold By	Rush Truck Centers Ford and Isuzu

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2024 Dodge 5500 4X2 Sewer / Septic Truck - Iron-Vac Tank Body

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IronVac Dodge 5500 Tradesman, with multiple allocations available in a variety of models ranging from straight waste pumpers to portable toilet units, we have the trucks you need. Built for...

Condition	New
Duty Class	Medium Duty Sewer / Septic Truck
Upfit Type	Tank Body
Upfit Make	Iron-Vac
Upfit Model	1250 Gallon
Horse Power	300 HP
Engine Model	Cummins
Drivetrain	4x2
Transmission	6 Speed Automatic
Rear Axle	Single Axle
Capacity	1250 Gallons
MLS Number	12103786
Category	Sewer / Septic Trucks
Last Updated	12/3/2023
Location	Searcy, AR, US
Sold By	SepticTrucks.com

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2024 Ford E-350 XL Mechanic / Service Truck - Reading KUV Medium Roof Enclosed Service Van Body

$61,740 USD

New Ford E350 Gas 7.3L V8 Single Rear Wheel with AC/Power Windows/Locks/Cruise, Daytime Running Lights, Remote Keyless Entry, 10,050 GVWR. Includes: Installed READING RVSL57, KUV READY VAN....

Warranty

Condition	New
Duty Class	Light Duty Service Truck
Upfit Type	KUV Medium Roof Enclosed Service Van Body
Upfit Make	Reading
Upfit Model	KUV
Bed Length	11 ft.
Engine Model	Ford 7.3L V8
Drivetrain	4x2
Transmission	6 Speed Automatic
Door Type	Swing
Stock Number	1587332
MLS Number	12082229
Category	Mechanic / Utility / Service Trucks
Last Updated	12/20/2023
Location	Dallas, TX, US
Sold By	Rush Truck Centers Ford and Isuzu

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2024 Ford E-350 XL Mechanic / Service Truck - Reading KUV High Roof Enclosed Service Van Body

$62,970 USD

New Ford E350 Gas 7.3L V8 with AC/Power Windows/Locks/Cruise, Daytime Running Lights, Remote Keyless Entry, 11,500GVWR. Includes: Installed READING RVSL75-132APDW, KUV READY VAN. ALL STEEL...

Warranty

Condition	New
Duty Class	Light Duty Service Truck
Upfit Type	KUV High Roof Enclosed Service Van Body
Upfit Make	Reading
Upfit Model	KUV
Bed Length	11 ft.
Engine Model	Ford 7.3L V8
Drivetrain	4x2
Transmission	6 Speed Automatic
Door Type	Swing
Stock Number	1595470
MLS Number	12082224
Category	Mechanic / Utility / Service Trucks
Last Updated	5/24/2023
Location	Dallas, TX, US
Sold By	Rush Truck Centers Ford and Isuzu

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2026 Ford E-450 16 ft Box Truck - 288HP, 6 Speed Autoshift Automatic, Roll up Door

$74,995 USD

This Ford E-Series Cutaway boasts a Regular Unleaded V-8 7.3 L/445 engine powering this Automatic transmission. USER-DEFINED SWITCHES -inc: 4 upfitter switches on the instrument panel,...

Condition	New
Usage	15 Miles
Duty Class	Medium Duty Box Truck
Box Length	16 ft.
Horse Power	288 HP
Engine Model	Ford 7.3L
Drivetrain	4x2
Transmission	6 Speed Autoshift Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	9,600 lb 4.56 ratio
Door Type	Roll up
Lining Type	Plywood
Ramps	Yes
Stock Number	MFD260094
MLS Number	13963800
Category	Delivery / Moving / Straight / Box Trucks
Last Updated	11/4/2025
Location	Mesa, AZ, US
Sold By	Larry H. Miller Ford - Mesa

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New 6 Speed Automatic Trucks For Sale

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