6 Speed Mechanic / Utility / Service Trucks For Sale by Dealerships

2023 Chevrolet 6500 Mechanic / Service Truck - Duramax, 350HP

$91,402 USD

FOR SALE! A brand new Chevrolet 6500 4x4 upfitted with a Reading RTBCL132LU084SB service body. This vehicle is powered by a 350 hp Duramax 6.6L diesel motor, and gears are shifted via a...

Condition	New
Usage	47 Miles
Horse Power	350 HP
Engine Model	Duramax 6.6L D
Drivetrain	4x4
Transmission	6 Speed
Suspension	Spring
Rear End	15,000 lb
Stock Number	PH125638
MLS Number	12626674
Category	Mechanic / Utility / Service Trucks
Last Updated	1/8/2026
Location	Union Grove, WI, US
Sold By	Custom Truck One Source

(480) 550-___ SHOW
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2024 RAM 5500 Tradesman Mechanic / Service Truck - 6 Speed Automatic

$83,995 USD

====== For Sale: New 2024 Ram 5500 Crew Cab 4x4 Diesel 84CA -- 11' Crysteel E-Tipper Low Side Dump Truck ======Stock #ADRB240861==== Heavy-Duty Power for Tough Jobs ====This 2024 Ram 5500HD...

Condition	New
Usage	25 Miles
Duty Class	Medium Duty Service Truck
Transmission	6 Speed Automatic
Stock Number	ADRB240861
MLS Number	13383995
Category	Mechanic / Utility / Service Trucks
Last Updated	1/8/2026
Location	Avondale, AZ, US
Sold By	Larry H. Miller Ford - Mesa

(844) 305-___ SHOW
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2019 Kenworth T370 Mechanic / Service Truck - Paccar, 300HP, 6 Speed Automatic

$129,900 USD

PX7 PACCAR 300 HP, Allison Automatic 6 Speed, 5.57 Ratio, 12,000 Front Axle, 21,000 Rear Axle, 155" Wheelbase, 12' 11" Bridge, Spring, Air Brake, Exhaust Brake, 11' Stellar Body, Steel...

Condition	Used
Usage	213,761 Miles
Duty Class	Heavy Duty Service Truck
Bed Length	11 ft.
Horse Power	300 HP
Engine Model	Paccar PX7
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	21,000 lb 5.57 ratio
Stock Number	KM259379
MLS Number	14074951
Category	Mechanic / Utility / Service Trucks
Last Updated	1/7/2026
Location	Chatham, VA, US
Sold By	J&J Truck Sales

(844) 714-___ SHOW
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2017 Kenworth T370 Mechanic / Service Truck - Paccar, 330HP, 6 Speed Allison Rds Automatic

$79,500 USD

Altech AA55E bucket body, 56' Boom, 600 lb bucket capacity, 4 outriggers, Fabco TC137 4x4 transfer case, Allison 3500RDS transmission, Paccar PX9 330HP, Engine brake, Reyco spring suspension...

Condition	Used
Usage	147,119 Miles
Duty Class	Heavy Duty Service Truck
Bed Length	56 ft.
Horse Power	330 HP
Engine Model	Paccar PX9
Drivetrain	4x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	23,000 lb 5.57 ratio
Stock Number	6951
MLS Number	14035568
Category	Mechanic / Utility / Service Trucks
Last Updated	1/7/2026
Location	Aberdeen, ID, US
Sold By	Diesel Depot

(855) 804-___ SHOW
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2019 Kenworth T370 Mechanic / Service Truck - Paccar, 300HP, 6 Speed Allison Rds Automatic

$129,900 USD

2019 Kenworth T370 --- PACCAR 300 HP, Allison Automatic 6 Speed, 5.57 Ratio, 12,000 Front Axle, 21,000 Rear Axle, 155" Wheelbase, 12' 11" Bridge, Spring, Air Brake, Exhaust Brake, 11'...

Condition	Used
Usage	213,761 Miles
Duty Class	Heavy Duty Service Truck
Horse Power	300 HP
Engine Model	Paccar PX7
Drivetrain	4x2
Transmission	6 Speed Allison RDS Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	21,000 lb 5.57 ratio
Stock Number	259379
MLS Number	14072165
Category	Mechanic / Utility / Service Trucks
Last Updated	1/6/2026
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

(833) 829-___ SHOW
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2020 Chevrolet Silverado 4500HD Mechanic / Service Truck - 6 Speed Automatic

$56,850 USD

2020 Chevrolet Silverado 4500 Service Truck Quick Highlights:, , Engine: 6.6L V8 Duramax Turbodiesel – Powerful and efficient for heavy-duty tasks , Transmission: Automatic – Smooth and...

Condition	Used
Usage	74,462 Miles
Duty Class	Medium Duty Service Truck
Bed Length	11 ft.
Drivetrain	4x2
Transmission	6 Speed Automatic
Stock Number	4CT1616
MLS Number	14069878
Category	Mechanic / Utility / Service Trucks
Last Updated	1/10/2026
Location	Greensboro, NC, US
Sold By	Impex Heavy Metal

(724) 243-___ SHOW
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2014 Peterbilt 337 Mechanic / Service Truck - Paccar, 260HP, 6 Speed Manual

$89,900 USD

IMT 14' Service Truck on a Peterbilt 337 Chassis. Service body has been fully reconditioned and painted Truck was fully DOT'd and PM'd in our Peterbilt Shop. Can send repair order over on...

Condition	Used
Usage	19,435 Hours
Duty Class	Heavy Duty Service Truck
Horse Power	260 HP
Engine Model	Paccar PX9
Drivetrain	4x2
Transmission	6 Speed Manual
Suspension	Spring
Rear Axle	Single Axle
Rear End	21,000 lb 4.11 ratio
Stock Number	246937
MLS Number	13813906
Category	Mechanic / Utility / Service Trucks
Last Updated	1/3/2026
Location	Smithfield, PA, US
Sold By	Hunter Truck

(954) 523-___ SHOW
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2025 Kenworth T380 Mechanic / Service Truck - Paccar, 325HP, 6 Speed Allison Rds Automatic

$239,095 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: 2025, Model: T380...

Condition	New
Usage	1,510 Miles
Duty Class	Heavy Duty Service Truck
Bed Length	14 ft.
Horse Power	325 HP
Engine Model	Paccar PX7
Drivetrain	4x2
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Ride
Rear Axle	Single Axle
Rear End	21,000 lb 6.17 ratio
Stock Number	KN180809
MLS Number	13703382
Category	Mechanic / Utility / Service Trucks
Last Updated	1/8/2026
Location	Fort Lauderdale, FL, US
Sold By	All Roads Trucks

(844) 435-___ SHOW
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2023 International CV Mechanic / Service Truck - 350HP

$84,900 USD

4X2 DIESEL WITH 22,940# GVWR AND 9' SERVICE BODY READY TO GO!,

Condition	New
Usage	984 Miles
Duty Class	Medium Duty Service Truck
Horse Power	350 HP
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	15,500 lb 4.10 ratio
Stock Number	331414
MLS Number	12591227
Category	Mechanic / Utility / Service Trucks
Last Updated	1/3/2026
Location	Manchester, NH, US
Sold By	Allegiance Trucks

(866) 751-___ SHOW
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2007 Kenworth T300 Mechanic / Service Truck - Caterpillar, 330HP

$34,500 USD

Affordable service truck. It was recently taken out of service and replaced with a new truck. Complete with remote for the crane. NO WELDER. Call for more information

Condition	Used
Usage	225,309 Miles
Duty Class	Medium Duty Service Truck
Horse Power	330 HP
Transmission	6 Speed
Rear End	21,000 lb 4.10 ratio
Stock Number	111022
MLS Number	14068090
Category	Mechanic / Utility / Service Trucks
Last Updated	1/1/2026
Location	Louisville, KY, US
Sold By	Boyd Truck Centers

(844) 954-___ SHOW
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2024 RAM 5500 Crew Cab Mechanic / Service Truck - Cummins, 360HP, Automatic

Contact for price

2024 RAM 5500 HD 174997, Engine: CUMMINS, Transmission: Automatic, Horsepower: 360.0, Key Features:, , BoxCar Pro 55, , Curb side reinforced crane box rated at 55,000 ft/pds will handle the...

Condition	New
Usage	22 Miles
Duty Class	Medium Duty Service Truck
Horse Power	360 HP
Drivetrain	4x4
Transmission	6 Speed Automatic
Rear Axle	Single Axle
Stock Number	174997
MLS Number	13470296
Category	Mechanic / Utility / Service Trucks
Last Updated	1/11/2026
Location	Fairfield, TX, US
Sold By	Service Truck Depot

2026 Peterbilt 536 Mechanic / Service Truck - Paccar, 300HP

$237,995 USD

Peterbilt 536 4x2 IMT DOM3 Service Truck is built on an 89-inch Cab-to-Axle (CA) Class 6 chassis and powered by a 300 hp PACCAR PX-7 diesel with a 6-speed automatic transmission. It features...

Condition	New
Horse Power	300 HP
Engine Model	Paccar PX7 D
Drivetrain	4x2
Transmission	6 Speed
Suspension	Neway
Rear End	21,000 lb
Stock Number	TM789049
MLS Number	14063989
Category	Mechanic / Utility / Service Trucks
Last Updated	12/30/2025
Location	Kansas City, MO, US
Sold By	Custom Truck One Source

2026 Peterbilt 536 Mechanic / Service Truck - Paccar, 300HP

$237,995 USD

Peterbilt 536 4x2 IMT DOM3 Service Truck is built on an 89-inch Cab-to-Axle (CA) Class 6 chassis and powered by a 300 hp PACCAR PX-7 diesel with a 6-speed automatic transmission. It features...

Condition	New
Horse Power	300 HP
Engine Model	Paccar PX7 D
Drivetrain	4x2
Transmission	6 Speed
Suspension	Neway
Rear End	21,000 lb
Stock Number	TM789043
MLS Number	14063983
Category	Mechanic / Utility / Service Trucks
Last Updated	12/30/2025
Location	Kansas City, MO, US
Sold By	Custom Truck One Source

(833) 829-___ SHOW
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2017 Ford F-350 XL Mechanic / Service Truck - 6 Speed Automatic

$26,850 USD

2017 Ford F-350 SD XL Service Truck Quick Highlights:, , Engine: 6.2L V8 EFI SOHC 16V FLEX FUEL – Powerful and reliable for heavy-duty jobs , Transmission: TorqShift 6-Speed Automatic – Smooth...

Condition	Used
Usage	110,643 Miles
Duty Class	Light Duty Service Truck
Bed Length	9 ft.
Drivetrain	4x2
Transmission	6 Speed Automatic
Stock Number	4FT0705
MLS Number	14029233
Category	Mechanic / Utility / Service Trucks
Last Updated	12/28/2025
Location	Greensboro, NC, US
Sold By	Impex Heavy Metal

(855) 804-___ SHOW
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2016 Kenworth T270 Mechanic / Service Truck - Paccar, 280HP, 6 Speed Allison Rds Automatic

$104,900 USD

2016 Kenworth T270 --- Single Axle, PX7 PACCAR 280 HP, Allison Automatic 6 Speed, 6.17 Ratio, 10,000 Front Axle, 16,000 Rear Axle, 153" Wheelbase, 12' 9" Bridge, Air Ride, Air Brake, Exhaust...

Condition	Used
Usage	281,913 Miles
Duty Class	Medium Duty Service Truck
Horse Power	280 HP
Engine Model	Paccar PX7
Drivetrain	4x2
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Ride
Rear Axle	Single Axle
Rear End	16,000 lb 6.17 ratio
Stock Number	483214
MLS Number	13853325
Category	Mechanic / Utility / Service Trucks
Last Updated	1/3/2026
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

(833) 829-___ SHOW
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2024 RAM 3500 Mechanic / Service Truck - 6 Speed Automatic

$61,750 USD

2024 RAM 3500HD Service Truck Quick Highlights:, , Engine: Cummins 6.7L I6 Turbodiesel – Reliable and powerful for demanding workloads , Transmission: Automatic – Smooth and efficient...

Condition	Used
Usage	16,178 Miles
Duty Class	Light Duty Service Truck
Bed Length	9 ft.
Drivetrain	4x4
Transmission	6 Speed Automatic
Stock Number	1RT0298
MLS Number	14062622
Category	Mechanic / Utility / Service Trucks
Last Updated	1/2/2026
Location	Greensboro, NC, US
Sold By	Impex Heavy Metal

2024 RAM 5500 Mechanic / Service Truck - Cummins, 370HP

$109,673 USD

The RAM 5500 4x4 Crew Cab Flatbed Manhauler Truck is built for durability and efficiency on demanding job sites. Powered by a 370 HP diesel engine with a 6-speed automatic transmission, it...

Condition	New
Usage	17 Miles
Horse Power	370 HP
Engine Model	Cummins 6.7L D
Drivetrain	4x4
Transmission	6 Speed
Suspension	Spring
Rear End	13,500 lb
Stock Number	RG152376
MLS Number	12736647
Category	Mechanic / Utility / Service Trucks
Last Updated	12/27/2025
Location	Union Grove, WI, US
Sold By	Custom Truck One Source

2024 RAM 5500 Mechanic / Service Truck - Cummins, 370HP

$109,673 USD

The RAM 5500 4x4 Crew Cab Flatbed Manhauler Truck is built for durability and efficiency on demanding job sites. Powered by a 370 HP diesel engine with a 6-speed automatic transmission, it...

Condition	New
Usage	11 Miles
Horse Power	370 HP
Engine Model	Cummins 6.7L D
Drivetrain	4x4
Transmission	6 Speed
Suspension	Spring
Rear End	13,500 lb
Stock Number	RG137538
MLS Number	12591092
Category	Mechanic / Utility / Service Trucks
Last Updated	12/27/2025
Location	Union Grove, WI, US
Sold By	Custom Truck One Source

2024 RAM 5500 Mechanic / Service Truck - Cummins, 370HP

$109,673 USD

The RAM 5500 4x4 Crew Cab Flatbed Manhauler Truck is built for durability and efficiency on demanding job sites. Powered by a 370 HP diesel engine with a 6-speed automatic transmission, it...

Condition	New
Usage	10 Miles
Horse Power	370 HP
Engine Model	Cummins 6.7L D
Drivetrain	4x4
Transmission	6 Speed
Suspension	Spring
Rear End	13,500 lb
Stock Number	RG137537
MLS Number	13634629
Category	Mechanic / Utility / Service Trucks
Last Updated	12/27/2025
Location	Union Grove, WI, US
Sold By	Custom Truck One Source

(844) 231-___ SHOW
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2025 Ford E350 Mechanic / Service Truck - 7.3L, 325HP, 6 Speed Autoshift Automatic

$60,895 USD

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

Condition	New
Usage	5 Miles
Duty Class	Light Duty Service Truck
Bed Length	11 ft.
Horse Power	325 HP
Engine Model	Ford 7.3L
Drivetrain	4x2
Transmission	6 Speed Autoshift Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	4.10 ratio
Stock Number	MFDB250606
MLS Number	13438242
Category	Mechanic / Utility / Service Trucks
Last Updated	12/30/2025
Location	Mesa, AZ, US
Sold By	Larry H. Miller Ford - Mesa

(844) 231-___ SHOW
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2025 Ford E350 Mechanic / Service Truck - 7.3L, 325HP, 6 Speed Autoshift Automatic

$60,895 USD

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

Condition	New
Usage	5 Miles
Duty Class	Light Duty Service Truck
Bed Length	11 ft.
Horse Power	325 HP
Engine Model	Ford 7.3L
Drivetrain	4x2
Transmission	6 Speed Autoshift Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	4.10 ratio
Stock Number	MFDB250333
MLS Number	13364687
Category	Mechanic / Utility / Service Trucks
Last Updated	12/30/2025
Location	Mesa, AZ, US
Sold By	Larry H. Miller Ford - Mesa

2026 Peterbilt 536 Mechanic / Service Truck - Paccar, 300HP

$237,995 USD

Peterbilt 536 4x2 IMT DOM3 Service Truck is built on an 89-inch Cab-to-Axle (CA) Class 6 chassis and powered by a 300 hp PACCAR PX-7 diesel with a 6-speed automatic transmission. It features...

Condition	New
Horse Power	300 HP
Engine Model	Paccar PX7 D
Drivetrain	4x2
Transmission	6 Speed
Suspension	Neway
Rear End	21,000 lb
Stock Number	TM789051
MLS Number	14055689
Category	Mechanic / Utility / Service Trucks
Last Updated	12/23/2025
Location	Kansas City, MO, US
Sold By	Custom Truck One Source

2026 Peterbilt 536 Mechanic / Service Truck - Paccar, 300HP

$237,995 USD

Peterbilt 536 4x2 IMT DOM3 Service Truck is built on an 89-inch Cab-to-Axle (CA) Class 6 chassis and powered by a 300 hp PACCAR PX-7 diesel with a 6-speed automatic transmission. It features...

Condition	New
Horse Power	300 HP
Engine Model	Paccar PX7 D
Drivetrain	4x2
Transmission	6 Speed
Suspension	Neway
Rear End	21,000 lb
Stock Number	TM789026
MLS Number	14053166
Category	Mechanic / Utility / Service Trucks
Last Updated	12/20/2025
Location	Kansas City, MO, US
Sold By	Custom Truck One Source

(724) 648-___ SHOW
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2025 Peterbilt 536 Mechanic / Service Truck - Paccar, 325HP, 6 Speed Allison Rds Automatic

$255,950 USD

NEW PETERBILT 536 NON-CDL CRANE MECHANICS TRUCK. POWERED WITH PACCAR PX7 ENGINE AND ALLISON 3500 SERIES TRANSMISSION. 10K FRONT AXLE, 21K REAR AXLE, 154" WHEELBASE. 11' LONG HEAVY DUTY...

Condition	New
Duty Class	Medium Duty Service Truck
Bed Length	11 ft.
Horse Power	325 HP
Engine Model	Paccar PX7
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Trac
Rear Axle	Single Axle
Rear End	21,000 lb 6.14 ratio
MLS Number	13870679
Category	Mechanic / Utility / Service Trucks
Last Updated	12/19/2025
Location	Butler, PA, US
Sold By	Hunter Truck