6 Speed Mechanic / Utility / Service Trucks For Sale in United States

51 - 75 of 155 listings

2025 Freightliner M2 106 Mechanic / Service Truck - Cummins, 330HP

$231,535 USD

Owning a Freightliner M2106 4x2 IMT 10000‑25 Service Truck gives you a dependable, high‑capacity platform for field maintenance, equipment repair, and industrial support work. The M2106’s...

Condition	New
Horse Power	330 HP
Engine Model	Cummins L9 D
Drivetrain	4x2
Transmission	6 Speed
Rear End	21,000 lb
Stock Number	SDWD9715
MLS Number	14358033
Category	Mechanic / Utility / Service Trucks
Last Updated	5/8/2026
Location	Kansas City, MO, US
Sold By	Custom Truck One Source

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

$149,875 USD

Chevrolet 6500 4x4 with a 12' Load King Voyager P service body and Load King Stinger 7522 telescopic crane. This unit is powered by a 350 hp Duramax 6.6L diesel motor and a 6-speed automatic...

Condition	New
Horse Power	350 HP
Engine Model	Duramax 6.6L D
Drivetrain	4x4
Transmission	6 Speed
Suspension	Spring
Rear End	15,500 lb
Stock Number	PH758047
MLS Number	12571147
Category	Mechanic / Utility / Service Trucks
Last Updated	5/8/2026
Location	Poulsbo, WA, US
Sold By	Custom Truck One Source

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2022 Chevrolet Silverado 3500 Mechanic / Service Truck - Duramax, 445HP, 6 Speed Automatic

$57,500 USD

2022 Chevrolet 3500HD Service/Utility Truck, Diesel, Auto, 4x4 Powertrain Chassis: 60528 miles, 6.6L Duramax V8 with 445HP/910lbs-ft Torque, 10 Speed Automatic Transmission | 4x4, Hydraulic...

Condition	Used
Usage	60,528 Miles
Duty Class	Light Duty Service Truck
Horse Power	445 HP
Engine Model	Duramax L5P 6.6L V8
Drivetrain	4x4
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	10,400 lb
Stock Number	T17810M
MLS Number	14356620
Category	Mechanic / Utility / Service Trucks
Last Updated	5/7/2026
Location	Wheat Ridge, CO, US
Sold By	DTI Trucks

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2023 GMC Sierra 2500 Mechanic / Service Truck - Chevrolet, 400HP, 6 Speed Automatic

$56,500 USD

2023 GMC 2500HD Service/Utility Truck, Gas, 4x4 Powertrain Chassis: 29,539 miles | 1002 Engine Hours, 6.6L L8T V8 with 400HP/464lbs-ft Torque, 6 Speed Automatic Transmission | 4x4,...

Condition	Used
Usage	29,539 Miles
Duty Class	Light Duty Service Truck
Horse Power	400 HP
Engine Model	L8T
Drivetrain	4x4
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	6,390 lb
Stock Number	T17831M
MLS Number	14356615
Category	Mechanic / Utility / Service Trucks
Last Updated	5/7/2026
Location	Wheat Ridge, CO, US
Sold By	DTI Trucks

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2017 Kenworth T370 Mechanic / Service Truck - Paccar, 330HP, 6 Speed Allison Rds Automatic

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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	5/7/2026
Location	Boise, ID, US
Sold By	Diesel Depot

(844) 714-___ SHOW
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2017 Kenworth T270 Mechanic / Service Truck - Paccar, 300HP, 6 Speed Allison Rds Automatic

$109,900 USD

2017 Kenworth T270 --- Single Axle, PX9 Paccar 300 HP, Allison Automatic 6 Speed, 5.25 Ratio, 10,000 Front Axle, 16,000 Rear Axle, 157" Wheelbase, Air Ride Suspenison, Air Brake,...

Condition	Used
Usage	9,488 Hours
Duty Class	Medium Duty Service Truck
Horse Power	300 HP
Engine Model	Paccar PX9
Drivetrain	4x2
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Ride
Rear Axle	Single Axle
Rear End	16,000 lb 5.25 ratio
Stock Number	139427
MLS Number	14282017
Category	Mechanic / Utility / Service Trucks
Last Updated	5/6/2026
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

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2023 Chevrolet 5500 Mechanic / Service Truck - Gm, 350HP

$135,500 USD

2023 Chevrolet 5500 4x4, 32,033 Miles, 7,500 Lbs. FAWR, 15,000 Lbs. RAWR, 19,500 Lbs. GVWR, 6.6L Duramax Diesel Engine, 350 Horsepower, Automatic Transmission 2023 Load King Service Body,...

Condition	Used
Horse Power	350 HP
Engine Model	6.6L D
Drivetrain	4x4
Transmission	6 Speed
Suspension	Spring
Rear End	15,000 lb
Stock Number	PH781526
MLS Number	14346952
Category	Mechanic / Utility / Service Trucks
Last Updated	5/7/2026
Location	Poulsbo, WA, US
Sold By	Custom Truck One Source

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2018 Ford F-550 Super Duty 9' Utility/Service Truck, 6.7L Powerstroke, 4X4, One-Owner, Clean Carfax

$34,995 USD

FOR SALE: 2018 FORD F-550 SUPER DUTY 4X4 9' SERVICE / UTILITY TRUCK, For sale is a 2018 Ford F-550 Super Duty 4x4 configured as a heavy-duty utility / service truck equipped with a 9-foot...

Condition	Used
Usage	7,129 Hours
Duty Class	Medium Duty Service Truck
Upfit Type	Service Utility Truck Body
Upfit Make	MCB
Bed Length	9.4
Horse Power	330 HP
Engine Model	Ford Powerstroke
Drivetrain	4x4
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	14,706 lb
Stock Number	B36662
MLS Number	14137866
Category	Mechanic / Utility / Service Trucks
Last Updated	5/5/2026
Location	Miami, FL, US
Sold By	Truck and Van Outlet

(844) 982-___ SHOW
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2025 Freightliner M2 106 Mechanic / Service Truck - Cummins, 280HP, 6 Speed Allison Rds Automatic

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On Consignment, Just acquired this AMAZING 4X4 Freightliner M2106 service truck, product tanks, 14 foot Knapheide body with 14 foot, 12 ton crane!! only 6700 miles!!! Infinity Generator,...

Condition	Used
Usage	6,500 Miles
Duty Class	Heavy Duty Service Truck
Horse Power	280 HP
Engine Model	Cummins L9
Drivetrain	6x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	20,000 lb
Stock Number	VK8189
MLS Number	14347235
Category	Mechanic / Utility / Service Trucks
Last Updated	5/13/2026
Location	West Valley City, UT, US
Sold By	Utah Tank & Trailer

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2008 Ford F-750 Mechanic / Service Truck - Cummins, 325HP, 6 Speed Manual

$20,000 USD

GOOD TRUCK, RUNS EXCELLENT, AIR BRAKES, DIFFERENTIAL LOCK, AUTO CRANE BODY, 8005H AUTOCRANE, AIR COMPRESSOR HOSE REEL, LOTS OF STORAGE!,

Condition	Used
Usage	118,877 Miles
Duty Class	Heavy Duty Service Truck
Horse Power	325 HP
Drivetrain	4x2
Transmission	6 Speed Manual
Suspension	Spring
Rear Axle	Single Axle
Rear End	21,000 lb
Stock Number	08F750118SER
MLS Number	14020306
Category	Mechanic / Utility / Service Trucks
Last Updated	5/1/2026
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

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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	TM789037
MLS Number	14344713
Category	Mechanic / Utility / Service Trucks
Last Updated	5/1/2026
Location	Kansas City, MO, US
Sold By	Custom Truck One Source

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2016 Kenworth T370 Mechanic / Service Truck - Paccar, 300HP, 6 Speed Allison Rds Automatic

$117,900 USD

Single Axle, 14' Service Body, Stellar 7621 Crane (7,500 Capacity), Hydraulic Outriggers, American Eagle 30R Compressor, Power Inverter, (7) 28" Drawers, (7) 16" Drawers, (7) 14" Drawers,...

Condition	Used
Usage	10,044 Hours
Duty Class	Heavy Duty Service Truck
Bed Length	14 ft.
Horse Power	300 HP
Engine Model	Paccar PX9
Transmission	6 Speed Allison RDS Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	21,000 lb 5.57 ratio
Stock Number	GM124085
MLS Number	14109054
Category	Mechanic / Utility / Service Trucks
Last Updated	4/29/2026
Location	Chatham, VA, US
Sold By	J&J Truck Sales

(844) 305-___ SHOW
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2022 RAM 5500 Mechanic / Service Truck - Cummins, 360HP, 6 Speed Automatic

$139,500 USD

2022 RAM 5500 4X4 Mechanics Truck, 6.7L Cummins Turbo Diesel Engine, 360HP, Exhaust Brake, 6 Speed Automatic Transmission, Only 68,967 Miles Only 1,858 Engine Hours, 19.5K GVWR (7,250 LB...

Condition	Used
Usage	1,858 Hours
Duty Class	Medium Duty Service Truck
Horse Power	360 HP
Engine Model	Cummins B6.7
Drivetrain	4x4
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	13,500 lb
Stock Number	T17995D
MLS Number	14140875
Category	Mechanic / Utility / Service Trucks
Last Updated	4/25/2026
Location	Denver, CO, US
Sold By	DTI Trucks

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2019 Peterbilt 337 Mechanic / Service Truck - Paccar, 300HP

$127,500 USD

2019 Peterbilt 337 4x2, 140,784 Miles, 33,000 Lbs. GVWR, 12,000 Lbs. FAWR, 21,000 Lbs. RAWR, Paccar PX-7 Engine, 300 Horsepower, Allison 2500RDS Transmission 2018 Load King Voyager II, 2018...

Condition	Used
Usage	158,703 Miles
Horse Power	300 HP
Engine Model	Paccar PX7 D
Drivetrain	4x2
Transmission	6 Speed
Suspension	Spring
Rear End	21,000 lb
Stock Number	KM634016
MLS Number	13243036
Category	Mechanic / Utility / Service Trucks
Last Updated	4/25/2026
Location	Denver, CO, US
Sold By	Custom Truck One Source

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2017 Ford F-550 11' Mechanic/Service Body with Stellar 7621 7,000 lbs. Crane

$58,995 USD

For Sale:, 2017 Ford F-550 Super Duty Utility Truck with Knapheide mechanic body and Stellar 7621 telescopic crane, purpose-built for heavy-duty field service, equipment repair, and mobile...

Condition	Used
Usage	190,396 Miles
Duty Class	Medium Duty Service Truck
Upfit Type	Welder / Mechanics Body / Crane Truck Body
Upfit Make	Stellar
Upfit Model	7621
Bed Length	11 ft.
Horse Power	330 HP
Engine Model	Ford 6.7L POWER STROKE
Drivetrain	4x2
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	14,706 lb
Outriggers	Yes
Lift Height	23 ft
Max Reach	21 ft
Lift Capacity	7000.00 Lb
Stock Number	B18903
MLS Number	13751221
Category	Mechanic / Utility / Service Trucks
Last Updated	4/22/2026
Location	Miami, FL, US
Sold By	Truck and Van Outlet

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2011 Freightliner M2 106 Mechanic / Service Truck - Cummins, 250HP, 6 Speed Manual

$27,000 USD

NICE TRUCK, RUNS EXCELLENT, WELL MAINTAINED, 15 FT IMT TOOL BODY, IMT 3816 CRANE WITH REMOTE, BOSS 440 HYDRAULIC AIR COMPRESSOR, AIR HOSE REEL!,

Condition	Used
Usage	304,644 Miles
Duty Class	Medium Duty Service Truck
Horse Power	250 HP
Engine Model	Cummins ISB
Drivetrain	4x2
Transmission	6 Speed Manual
Suspension	Spring
Rear Axle	Single Axle
Rear End	19,000 lb 4.30 ratio
Stock Number	11M2304SER
MLS Number	14317785
Category	Mechanic / Utility / Service Trucks
Last Updated	4/17/2026
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

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2021 RAM 5500 Mechanic / Service Truck - Cummins, 370HP

$104,500 USD

2021 Dodge Ram 5500 4x4, 155,015 Miles, 19,500 Lbs. GVWR, 7,250 Lbs. FAWR, 13,500 Lbs. RAWR, Cummins 6.7L Engine, 360 Horsepower, Automatic Transmission 2021 Knapheide Service Body, Stellar...

Condition	Used
Usage	155,015 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	MG662317
MLS Number	13355842
Category	Mechanic / Utility / Service Trucks
Last Updated	4/21/2026
Location	Kansas City, MO, US
Sold By	Custom Truck One Source

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2013 Freightliner M2 106 Mechanic / Service Truck - Cummins, 350HP

$41,500 USD

153,321 Miles, Cummins ISC 350 HP, Allison 3000 RDS, 12,000 Lb. FAWR, 20,280 Lb. RAWR, 32,280 Lb. GVWR Knapheide Enclosed Service Body, Inner Tool Shelving, Master Lock System, Tommy Gate...

Condition	Used
Usage	153,321 Miles
Horse Power	350 HP
Engine Model	Cummins ISC D
Drivetrain	4x2
Transmission	6 Speed
Suspension	Spring
Stock Number	DHBZ0360
MLS Number	13976104
Category	Mechanic / Utility / Service Trucks
Last Updated	4/21/2026
Location	Kansas City, MO, US
Sold By	Custom Truck One Source

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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
Horse Power	370 HP
Engine Model	Cummins 6.7L D
Drivetrain	4x4
Transmission	6 Speed
Suspension	Spring
Rear End	13,500 lb
Stock Number	RG137530
MLS Number	13634623
Category	Mechanic / Utility / Service Trucks
Last Updated	4/17/2026
Location	St Paul, MN, US
Sold By	Custom Truck One Source

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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
Horse Power	370 HP
Engine Model	Cummins 6.7L D
Drivetrain	4x4
Transmission	6 Speed
Suspension	Spring
Rear End	13,500 lb
Stock Number	RG152329
MLS Number	12592294
Category	Mechanic / Utility / Service Trucks
Last Updated	4/17/2026
Location	St Paul, MN, US
Sold By	Custom Truck One Source

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2018 Ford F-550 Mechanic / Service Truck - 6.7L D, 330HP

$84,500 USD

2018 Ford F-550 4x4, 140,517 Miles, Ford 6.7L Power Stroke, Automatic, 7000 Lb. FAWR, 14,706 Lb. RAWR, 19,500 Lb. GVWR; 2019 Load King Voyager I Service Body, Swing-Out Doors, 2019 Auto...

Condition	Used
Usage	140,517 Miles
Horse Power	330 HP
Engine Model	Ford 6.7L D
Drivetrain	4x4
Transmission	6 Speed
Suspension	Spring
Rear End	14,706 lb
Stock Number	JDA02602
MLS Number	13414221
Category	Mechanic / Utility / Service Trucks
Last Updated	4/14/2026
Location	Cinnaminson, NJ, US
Sold By	Custom Truck One Source

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2016 Ford F-350 Mechanic / Service Truck - 6.7L POWER STROKE, 440HP, 6 Speed Amt

$17,900 USD

2016 Ford F-350 Super Duty – 1 Owner, Fleet Maintained Service Truck!, Well-equipped Super Duty with tons of storage—ready to go to work! , 440 HP Ford 6.7L engine, , 6-speed automatic...

Condition	Used
Usage	249,535 Miles
Duty Class	Light Duty Service Truck
Horse Power	440 HP
Engine Model	Ford 6.7L POWER STROKE
Drivetrain	4x2
Transmission	6 Speed Automated
Rear Axle	Single Axle
Stock Number	C33902
MLS Number	14302685
Category	Mechanic / Utility / Service Trucks
Last Updated	4/10/2026
Location	Byron Center, MI, US
Sold By	5 Star Truck Sales, Inc

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2024 RAM 5500 Mechanic / Service Truck - Cummins, 360HP, 6 Speed Automatic

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2024 RAM 5500HD 4X4 Mechanics Truck, 6.7L Cummins Turbo Diesel Engine, 360 HP, Exhaust Brake, 6 Speed Automatic Transmission, ONLY 289 Miles Only 10 Hours, 19.5 GVWR ( 7,250 LB Steer Axle,...

Condition	Used
Usage	10 Hours
Duty Class	Medium Duty Service Truck
Horse Power	360 HP
Engine Model	Cummins B6.7
Drivetrain	4x4
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	13,500 lb 4.44 ratio
Stock Number	T18128D
MLS Number	14299475
Category	Mechanic / Utility / Service Trucks
Last Updated	4/9/2026
Location	Denver, CO, US
Sold By	DTI Trucks

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2015 Kenworth T270 Mechanic / Service Truck - Paccar, 300HP, 6 Speed Allison Rds Automatic

$104,900 USD

2015 Kenworth T270 --- Single Axle, PX7 PACCAR 300 HP, Allison Automatic 6 Speed, 5.25 Ratio, 10,000 Front Axle, 16,000 Rear Axle, 158" Wheelbase, Air Ride, Exhaust Brake, Aluminum Front...

Condition	Used
Usage	306,810 Miles
Duty Class	Medium Duty Service Truck
Horse Power	300 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 5.25 ratio
Stock Number	445214
MLS Number	13995802
Category	Mechanic / Utility / Service Trucks
Last Updated	4/8/2026
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

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2019 Kenworth T370 Mechanic / Service Truck - 350HP, 6 Speed Allison Rds Automatic

$199,500 USD

2019 Kenworth T370 Mechanics Truck, Paccar PX9 8.9L Turbo Diesel Engine, 350 HP, Engine Brake, Allison 3000RDS 6 Speed Automatic Transmission, 126,465 ECM Verified Miles 7,440 ECM Verified...

Condition	Used
Usage	7,440 Hours
Duty Class	Heavy Duty Service Truck
Horse Power	350 HP
Drivetrain	4x2
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Ride
Rear Axle	Single Axle
Rear End	22,000 lb 4.78 ratio
Stock Number	T18054D
MLS Number	14265013
Category	Mechanic / Utility / Service Trucks
Last Updated	4/7/2026
Location	Denver, CO, US
Sold By	DTI Trucks

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