6 Speed Mechanic / Utility / Service Trucks For Sale

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2019 Chevrolet Silverado 5500HD Mechanic / Service Truck - Duramax, 6 Speed Automatic

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

$97,900 USD

Single Axle, 11' Service Body, Summit 10620 Crane (10,000 Capacity), Hydraulic Outriggers, Belaire 3G3HHL Gas Powered Compressor, 15 Gallon Non-Potable Water Tank, PX7 Paccar 300 HP, Allison...

Condition	Used
Usage	13,427 Hours
Duty Class	Heavy Duty Service Truck
Bed Length	11 ft.
Horse Power	300 HP
Engine Model	Paccar PX7
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Ride
Rear Axle	Single Axle
Rear End	21,000 lb 5.25 ratio
Stock Number	GM117044
MLS Number	14241222
Category	Mechanic / Utility / Service Trucks
Last Updated	3/12/2026
Location	Chatham, VA, US
Sold By	J&J Truck Sales

(833) 660-___ SHOW
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2017 Ford F-250 Mechanic / Service Truck - 6.2L FLEX FUEL V8, 385HP, 6 Speed Automatic

$32,500 USD

2017 Ford F250 Service/Utility Truck, Gas, 4x4 Powertrain Chassis: 134,035 miles | 5,282 Hours, 6.2L V8 with 385HP/430lbs-ft Torque, 6 Speed Torqshift 6R140 Transmission | 4x4 | Diff Lock,...

Condition	Used
Usage	5,282 Hours
Duty Class	Light Duty Service Truck
Horse Power	385 HP
Engine Model	Ford 6.2L FLEX FUEL V8
Drivetrain	4x4
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	6,340 lb
Stock Number	T18061M
MLS Number	14240903
Category	Mechanic / Utility / Service Trucks
Last Updated	3/12/2026
Location	Wheat Ridge, CO, US
Sold By	DTI Trucks

(844) 882-___ SHOW
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2016 RAM 5500 Mechanic / Service Truck - 360HP, 6 Speed Automatic

Price Drop $31,995 USD

TStart making money with this truck tomorrow Work-ready Ram 5500 HD Service Truck 2016 Ram 5500HD Service Truck, Cummins 6.7 Desel, Automatic Transmission, Low Miles: 97,509, Utility Service...

Condition	Used
Usage	97,503 Miles
Duty Class	Medium Duty Service Truck
Horse Power	360 HP
Drivetrain	6x2
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
MLS Number	14142844
Category	Mechanic / Utility / Service Trucks
Last Updated	3/12/2026
Location	Phoenix, AZ, US
Sold By	American Truck Sales & Salvage

2025 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	SM714542
MLS Number	14239877
Category	Mechanic / Utility / Service Trucks
Last Updated	3/13/2026
Location	St Paul, MN, US
Sold By	Custom Truck One Source

(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	3/18/2026
Location	Fairfield, TX, US
Sold By	Service Truck Depot

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
Horse Power	350 HP
Engine Model	Duramax 6.6L D
Drivetrain	4x4
Transmission	6 Speed
Suspension	Spring
Rear End	15,000 lb
Stock Number	PH513803
MLS Number	12636745
Category	Mechanic / Utility / Service Trucks
Last Updated	3/12/2026
Location	Union Grove, WI, US
Sold By	Custom Truck One Source

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	48 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	3/12/2026
Location	Union Grove, WI, US
Sold By	Custom Truck One Source

(844) 479-___ SHOW
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2018 Chevrolet Silverado 2500HD Extended Cab Mechanic / Service Truck - Knapheide Service Utility Truck Body

Price Drop $36,900 USD

2018 Chevy Silverado 2500HD Double Cab Service/Utility Truck powered by a 6.0L V8 engine paired with an automatic transmission. Equipped with A/C, tilt steering, cruise control, alarm system...

Condition	Used
Usage	118,444 Miles
Duty Class	Light Duty Service Truck
Upfit Type	Service Utility Truck Body
Upfit Make	Knapheide
Horse Power	364 HP
Drivetrain	4x2
Transmission	6 Speed Automatic
Rear Axle	Single Axle
Stock Number	13506
MLS Number	14042832
Category	Mechanic / Utility / Service Trucks
Last Updated	3/12/2026
Location	North Hills, CA, US
Sold By	Truck Depot

(844) 445-___ SHOW
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2012 RAM 5500 HD 4WD, Turbo Diesel, Mechanic / Service Truck, Crane with remote, Hydraulic Air Compressor, Welder and Outriggers

Price Drop $58,750 USD

- JUST IN! This is a 2012 Ram 5500 with Cummins 6.7 LtrTurbo Diesel engine, 330 H.P. 6-Speed Automatic Trans, with clean intereior of the cab and service body. AM/FM/CD/Aux Sterio/ 12V port,...

Condition	Used
Usage	236,220 Miles
Duty Class	Medium Duty Service Truck
Bed Length	11 ft.
Horse Power	330 HP
Engine Model	Cummins ISX
Drivetrain	4x4
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	19,500 lb
Outriggers	Yes
Lift Capacity	7500.00 Lb
Stock Number	124272
MLS Number	14232653
Category	Mechanic / Utility / Service Trucks
Last Updated	3/16/2026
Location	Midvale, UT, US
Sold By	MTS Utah, Inc.

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

Price Drop $68,769 USD

PUT THIS TO WORK TOMORROW!,

Condition	New
Usage	997 Miles
Duty Class	Medium Duty Service Truck
Horse Power	350 HP
Transmission	6 Speed
Suspension	Spring
Rear Axle	Single Axle
Rear End	15,500 lb 4.10 ratio
Stock Number	331509
MLS Number	12867243
Category	Mechanic / Utility / Service Trucks
Last Updated	3/12/2026
Location	Hartford, CT, US
Sold By	Allegiance Trucks

(866) 695-___ SHOW
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2007 Ford F-450 Mechanic / Service Truck

$20,000 USD

127950 Miles, 6 Speed Manual Transmission

Condition	Used
Usage	127,950 Miles
Duty Class	Medium Duty Service Truck
Transmission	6 Speed Manual
Stock Number	MCOPT2013B44919
MLS Number	12628250
Category	Mechanic / Utility / Service Trucks
Last Updated	3/9/2026
Location	Dallas, TX, US
Sold By	MCO Truck and Equipment

(833) 660-___ SHOW
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2021 Chevrolet 2500HD Mechanic / Service Truck - 401HP, 6 Speed Automatic

$33,500 USD

2021 Chevrolet 2500HD Service/Utility Truck, Gas, 4x4 Powertrain Chassis: 98,034 Miles | 3,459 Hours, 6.6L Gas L8T V8 with 401/464lbs-ft Torque, 6 Speed Automatic Transmission 6L90 | 4x4,...

Condition	Used
Usage	98,034 Miles
Duty Class	Light Duty Service Truck
Horse Power	401 HP
Drivetrain	4x4
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	6,390 lb
Stock Number	T18084M
MLS Number	14230100
Category	Mechanic / Utility / Service Trucks
Last Updated	3/7/2026
Location	Wheat Ridge, CO, US
Sold By	DTI Trucks

(844) 305-___ SHOW
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2015 Ford F-750 XLT Mechanic / Service Truck - Cummins, 250HP, 6 Speed Automatic

$85,900 USD

Single Axle, Extended Cab, 11' Stellar Service Body, Stellar 12621 12,000 Capacity Crane, Hydraulic Outriggers, American Eagle SHD66 Hydraulic Compressor, (11) 32" Drawers, Miller...

Condition	Used
Usage	9,403 Hours
Duty Class	Heavy Duty Service Truck
Bed Length	11 ft.
Horse Power	250 HP
Engine Model	Cummins ISB6.7
Transmission	6 Speed Automatic
Suspension	Air Ride
Rear Axle	Single Axle
Rear End	21,000 lb
Stock Number	FV730234
MLS Number	14229963
Category	Mechanic / Utility / Service Trucks
Last Updated	3/7/2026
Location	Chatham, VA, US
Sold By	J&J Truck Sales

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2015 Ford F-350 Mechanic / Service Truck - 6.2L FLEX FUEL V8, 6 Speed Automatic

$29,500 USD

Extended Cab, 4x4, 8' Knapheide Body, BOSS 8' Super Duty Snow Plow, THIEMAN Hydraulic Lift Gate, 6.2L V8 Gas, Automatic, Spring Suspension, 159" WB, P/S, A/C, AM/FM, Cruise, Tilt Wheel, Dual...

Condition	Used
Usage	62,609 Miles
Duty Class	Light Duty Service Truck
Engine Model	Ford 6.2L FLEX FUEL V8
Drivetrain	4x4
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	6,290 lb
Stock Number	GEB17284
MLS Number	14229879
Category	Mechanic / Utility / Service Trucks
Last Updated	3/7/2026
Location	Chatham, VA, US
Sold By	J&J Truck Sales

(844) 882-___ SHOW
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2019 Ford F550 SD XL Mechanic / Service Truck - 6.7L POWER STROKE, 330HP, 6 Speed Automatic

$54,977 USD

2019 Ford F-550 XL SD 4x2 11' x 94" Single-Axle Service / Utility Mechanic's Truck, Ford Power-Stroke 6.7L @ 330 H.P., 6-Speed Automatic O/D Transmission, 4.10 Ratio, 169" W.B., Spring...

Condition	Used
Duty Class	Medium Duty Service Truck
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 4.10 ratio
Stock Number	4219
MLS Number	14229320
Category	Mechanic / Utility / Service Trucks
Last Updated	3/7/2026
Location	Phoenix, AZ, US
Sold By	American Truck Sales & Salvage

(855) 653-___ SHOW
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2022 RAM 5500 Mechanic / Service Truck - Cummins, 360HP, 6 Speed Automatic

$134,500 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	3/7/2026
Location	Denver, CO, US
Sold By	DTI Trucks

(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	3/7/2026
Location	Aberdeen, ID, US
Sold By	Diesel Depot

(844) 231-___ SHOW
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2026 Ford E-450 Mechanic / Service Truck - 7.3L, 325HP, 6 Speed Autoshift Automatic

$65,895 USD

This Ford E-Series Cutaway delivers a Regular Unleaded V-8 7.3 L/445 engine powering this Automatic transmission. TRANSMISSION: 6-SPEED O/D W/TOW HAUL -inc: auxiliary cooler (STD), TIRES:...

Condition	New
Usage	2 Miles
Duty Class	Light Duty Service Truck
Bed Length	16 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	4.56 ratio
Door Type	Roll up
Stock Number	MFDB260282
MLS Number	13965569
Category	Mechanic / Utility / Service Trucks
Last Updated	3/7/2026
Location	Mesa, AZ, US
Sold By	Larry H. Miller Ford - Mesa

(844) 445-___ SHOW
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2015 FORD F550 SD XL Mechanic / Flatbed, Storage Comartments, Under Body Compartments, Knuckle-Boom Crane.

$24,900 USD

Blow-out Sale, Cash Price ~ Deal Ends March 27th 2026 NICE BUY!This is a 2015 Ford F550 comes with a service body and a Power Stroke 6.7 L. motor, and a 6-speed automatic transmission, 4.88...

Condition	Used
Usage	226,677 Miles
Duty Class	Medium Duty Service Truck
Bed Length	11 ft.
Horse Power	440 HP
Engine Model	Ford Power Stroke
Drivetrain	4x2
Transmission	6 Speed Automatic
Suspension	4 Spring
Rear Axle	Single Axle
Rear End	14,706 lb 4.88 ratio
Door Type	Swing
Outriggers	Yes
Max Reach	16 ft
Lift Capacity	4026.00 Lb
Lift Capacity	2.00 Ton
Stock Number	A35809
MLS Number	13721313
Category	Mechanic / Utility / Service Trucks
Last Updated	3/17/2026
Location	Midvale, UT, US
Sold By	MTS Utah, Inc.

(844) 445-___ SHOW
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2018 INTERNATIONAL DURASTAR 4300 Mechanic/Service Truck - MAINTANER Body and Crane, Fully Equipped.

$84,690 USD

*****Blow-out Sale***Offer Expires March 13th 2026 AVAILABLE NOW!This is a 2018 International 4300 DuraStar mechanic's truck equipped with a Cummins ISB 6.7 L engine, 325 H.P. Allison...

Condition	Used
Usage	9,909 Hours
Duty Class	Heavy Duty Service Truck
Upfit Make	MAINTANER
Bed Length	14 ft.
Engine Model	Cummins B 6.7
Drivetrain	4x2
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Leaf
Rear Axle	Single Axle
Rear End	20,000 lb
Door Type	Swing
Outriggers	Yes
Winch	Yes
Stock Number	595067
MLS Number	13859521
Category	Mechanic / Utility / Service Trucks
Last Updated	3/9/2026
Location	Midvale, UT, US
Sold By	MTS Utah, Inc.

(844) 982-___ SHOW
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2019 Ford F-550 Service/Flatbed Truck, Rare Find, 6.7L Powerstroke, 120K miles - Altec Body

$33,995 USD

FOR SALE: 2019 FORD F-550 SUPER DUTY SERVICE TRUCK WITH ALTEC BODY – 6.7L POWERSTROKE DIESEL, Offered for sale is a 2019 Ford F-550 Super Duty service truck equipped with a heavy-duty Altec...

Condition	Used
Usage	6,511 Hours
Duty Class	Medium Duty Service Truck
Upfit Type	Service Utility Truck Body
Upfit Make	Altec
Bed Length	11 ft.
Horse Power	440 HP
Engine Model	Ford Powerstroke
Drivetrain	4x2
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	14,706 lb
Stock Number	A21702
MLS Number	14227174
Category	Mechanic / Utility / Service Trucks
Last Updated	3/9/2026
Location	Miami, FL, US
Sold By	Truck and Van Outlet

(844) 982-___ SHOW
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2017 Ford F-550 11' Mechanic/Service Body with Stellar 7621 7,000 lbs. Crane + Welder

$64,995 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	3/6/2026
Location	Miami, FL, US
Sold By	Truck and Van Outlet

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

Price Drop $92,000 USD

2024 Dodge Ram 4x4 Crew Cab 5500 Knapheide Service Truck, Cummins 6.7@360 H.P. 1,973 Miles and 424 Hours, Engine Brake, Aisin AS69RD HD 6 Speed Automatic Overdrive Transmission, 19,500 L.B....

Condition	Used
Usage	1,973 Miles
Horse Power	360 HP
Engine Model	Cummins 6.7L I6 TURBO DIESEL
Drivetrain	4x4
Transmission	6 Speed
Suspension	Spring
Rear End	13,500 lb
Stock Number	RG152295
MLS Number	13047854
Category	Mechanic / Utility / Service Trucks
Last Updated	3/10/2026
Location	Oklahoma City, OK, US
Sold By	Custom Truck One Source