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

Your Current Search
Industry
Trucks
Category
Mechanic / Utility / Service Trucks
Transmission Speeds
6 Speed
Seller Type
Dealerships
Click the to remove the filter.
Narrow Your Search
Keyword Search
Search within the selected criteria
Equipment Type
Trucks (191)
Category
Mechanic / Utility / Service Trucks (191)
Model
Select a manufacturer to view available models.
Condition
Model Year
-
GVWR Category
Transmission Type
Transmission Speed
6 Speed (191)
Drive Train
Engine Manufacturer
Exterior Color
Suspension Type
Cab Style
Upfit Type
Upfit Manufacturer
Fuel Type
Mileage
-
Horsepower
-
Inspection Report
Yes (0)
Warranty
Price
-
Country
United States (191)
State / Region
Select a state below and click Refine Results.























Seller Type
Dealerships (191)
Market Type

Shop Mechanic / Utility / Service Trucks by Brand

Quick Filters

Showing 51 - 75 of 191 Service Truck Listings

51 - 75 of 191 listings
51 - 75 of 191 listings
2026 Peterbilt 536 / Summit 10620 Crane / 10k lbs. / Welder / Compressor / NON-CDL

2026 Peterbilt 536 / Summit 10620 Crane / 10k lbs. / Welder / Compressor / NON-CDL

$209,995 USD
FOR SALE: 2026 PETERBILT 536 – SUMMIT 10620 MECHANIC TRUCK WITH CRANE, WELDER, AND COMPRESSOR The 2026 Peterbilt 536 is a premium medium-duty service truck designed for fleet maintenance,...
ConditionUsed
Usage284 Miles
Duty ClassMedium Duty Service Truck
Upfit TypeWelder / Mechanics Body / Crane Truck Body
Upfit MakeSUMMIT TRUCK BODIES
Upfit Model10620
Bed Length13 ft.
Horse Power260 HP
Engine ModelPaccar PX7
Drivetrain4x2
Transmission6 Speed Allison RDS Automatic
SuspensionAir Ride
Rear AxleSingle Axle
Rear End18,000 lb
OutriggersYes
Max Reach20.9 ft
Lift Capacity10000.00 Lb
Stock Number785351A
MLS Number13807644
CategoryMechanic / Utility / Service Trucks
Last Updated1/16/2026
Location
Miami, FL, US
Sold By
Truck and Van Outlet
RAM 3500 Mechanic / Service Truck - Dodge, 410HP, 6 Speed Automatic

2017 RAM 3500 Mechanic / Service Truck - Dodge, 410HP, 6 Speed Automatic

$42,500 USD
2017 Ram 3500 Service/Utility Truck, Gas, Crew Cab, 4x4 Powertrain Chassis: 56,263 miles, 6.4L Hemi with 410HP/429 lbs-ft, Automatic Transmission, Hydraulic Brakes, Spring Suspension, GVWR:...
ConditionUsed
Usage56,263 Miles
Duty ClassLight Duty Service Truck
Horse Power410 HP
Drivetrain4x4
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End9,850 lb
Stock NumberT17535M
MLS Number14094846
CategoryMechanic / Utility / Service Trucks
Last Updated1/22/2026
Location
Wheat Ridge, CO, US
Sold By
DTI Trucks
Kenworth T270 Mechanic / Service Truck - Cummins, 300HP, 6 Speed Allison Rds Automatic

2018 Kenworth T270 Mechanic / Service Truck - Cummins, 300HP, 6 Speed Allison Rds Automatic

$89,900 USD
Ready to work mechanic's truck!, DOT'd PM'd, Freshly detailed!, Cummins power and Allison Transmission!!,
ConditionUsed
Usage8,181 Hours
Duty ClassMedium Duty Service Truck
Horse Power300 HP
Engine ModelCummins B6.7
Drivetrain4x2
Transmission6 Speed Allison RDS Automatic
SuspensionSpring
Rear AxleSingle Axle
Stock Number285164
MLS Number14068012
CategoryMechanic / Utility / Service Trucks
Last Updated1/22/2026
Location
Smithfield, PA, US
Sold By
Hunter Truck
Kenworth T370 Mechanic / Service Truck - Paccar, 300HP, 6 Speed Allison Rds Automatic

2018 Kenworth T370 Mechanic / Service Truck - Paccar, 300HP, 6 Speed Allison Rds Automatic

$124,500 USD
Stellar TMax service body- 14', Remote control, Stellar 12630 crane- 30 FT, 12,000 lb lift, 65R air compressor- PTO driven, Hydraulic outriggers, Allison 3500RDS transmission, Paccar PX9...
ConditionUsed
Usage9,645 Hours
Duty ClassHeavy Duty Service Truck
Bed Length14 ft.
Horse Power300 HP
Engine ModelPaccar PX9
Transmission6 Speed Allison RDS Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End21,000 lb 5.57 ratio
Stock Number6923
MLS Number13916478
CategoryMechanic / Utility / Service Trucks
Last Updated1/16/2026
Location
Boise, ID, US
Sold By
Diesel Depot
Freightliner M2 106 Mechanic / Service Truck - Cummins, 240HP, 6 Speed Allison Rds Automatic

2016 Freightliner M2 106 Mechanic / Service Truck - Cummins, 240HP, 6 Speed Allison Rds Automatic

$69,900 USD
11' Service Body, Miller ENPAK Rotary Screw Air Compressor, IMT 8600-22 Crane with Remote, Very nice used unit, Serviced and DOT'D,
ConditionUsed
Usage15,925 Hours
Duty ClassMedium Duty Service Truck
Bed Length11 ft.
Horse Power240 HP
Engine ModelCummins B6.7
Drivetrain4x2
Transmission6 Speed Allison RDS Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End17,500 lb 5.88 ratio
Stock Number281432
MLS Number13857519
CategoryMechanic / Utility / Service Trucks
Last Updated1/16/2026
Location
Smithfield, PA, US
Sold By
Hunter Truck
International DuraStar 4300 Mechanic / Service Truck - Cummins, 260HP, 6 Speed Allison Rds Automatic

2018 International DuraStar 4300 Mechanic / Service Truck - Cummins, 260HP, 6 Speed Allison Rds Automatic

$52,500 USD
2018 International 4300 --- Single Axle, ISB 6.7 Cummins 260 HP, Allison Automatic 6 Speed, 6.14 Ratio, 13,000 Front Axle, 20,000 Rear Axle, 174" Wheelbase, Axle Lock, Pintle Hitch, 10'...
ConditionUsed
Usage41,930 Miles
Duty ClassHeavy Duty Service Truck
Horse Power260 HP
Engine ModelCummins ISB
Drivetrain4x2
Transmission6 Speed Allison RDS Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End20,000 lb 6.14 ratio
Stock Number435450
MLS Number13512381
CategoryMechanic / Utility / Service Trucks
Last Updated1/16/2026
Location
Chatham, VA, US
Sold By
Atkinson Truck Sales
International DuraStar 4300 Mechanic / Service Truck - Cummins, 260HP, 6 Speed Automatic

2018 International DuraStar 4300 Mechanic / Service Truck - Cummins, 260HP, 6 Speed Automatic

$52,500 USD
Single Axle, 10' Adkins Service Body, Effer Knuckle Boom Model 135/3S (8,075 Capacity), 6.7L Cummins 260 HP, Allison Automatic 6 Speed, 6.14 Ratio, Spring Suspension, 13K FA, 20K RA, 33K...
ConditionUsed
Usage3,449 Hours
Duty ClassHeavy Duty Service Truck
Bed Length10 ft.
Horse Power260 HP
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End20,000 lb 6.14 ratio
Stock NumberJL435450
MLS Number13512266
CategoryMechanic / Utility / Service Trucks
Last Updated1/16/2026
Location
Chatham, VA, US
Sold By
J&J Truck Sales
RAM 5500 Mechanic / Service Truck - Cummins, 350HP

2018 RAM 5500 Mechanic / Service Truck - Cummins, 350HP

At auction
2018 Dodge 5500 Diesel 4x4 Auto Crane HC-7 Service Truck, Cummins 6.7@350 H.P. "ENGINE ISSUES" See Quote, 165,035 Miles, 6 Speed Automatic Overdrive Transmission, 19,500 L.B. GVWR, 169" W.B....
ConditionUsed
Usage165,035 Miles
Horse Power350 HP
Engine ModelCummins 6.7L I6 Turbo Diesel
Drivetrain4x4
Transmission6 Speed
SuspensionSpring
Rear End13,500 lb
Stock NumberJG279829
MLS Number14001299
CategoryMechanic / Utility / Service Trucks
Last Updated1/17/2026
Location
Kansas City, MO, US
Listed By
Custom Truck One Source
2017 RAM 5500 Regular Cab 4X4 with Altec 11 Ft Fiberglass Mechanic Service Utility Body

2017 RAM 5500 Regular Cab 4X4 with Altec 11 Ft Fiberglass Mechanic Service Utility Body

$32,000 USD
Chassis Specs:, 2017 RAM 5500 4X4 Regular Cab Gas 6.4L HEMI Engine Automatic 6-Speed AISIN Transmission A/C, Power Windows and Locks Remote Keyless Entry Power Trailer Towing Mirrors...
ConditionUsed
Usage3,375 Hours
Duty ClassMedium Duty Service Truck
Upfit TypeService Utility Truck Body
Upfit MakeAltec
Bed Length11 ft.
Engine ModelDodge
Drivetrain4x4
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End13,500 lb 4.88 ratio
LiftgateYes
Stock NumberV#671
MLS Number14089598
CategoryMechanic / Utility / Service Trucks
Last Updated1/14/2026
Location
Duluth, MN, US
Sold By
Equipment Rental Company
Ford F-350 Mechanic / Service Truck - 397HP, 6 Speed Amt

2016 Ford F-350 Mechanic / Service Truck - 397HP, 6 Speed Amt

$19,900 USD
2016 Ford F-350 Super Duty – 1 Owner, Fleet Maintained Utility Truck!, This is a very nice Super Duty—plenty of storage and ready to work! , 6.3L Ford engine, , Automatic transmission, , ...
ConditionUsed
Usage147,992 Miles
Duty ClassLight Duty Service Truck
Horse Power397 HP
Transmission6 Speed Automated
Rear AxleSingle Axle
Stock NumberD28052
MLS Number14088407
CategoryMechanic / Utility / Service Trucks
Last Updated1/14/2026
Location
Byron Center, MI, US
Sold By
5 Star Truck Sales, Inc
Kenworth T380 Mechanic / Service Truck - Paccar, 325HP, 6 Speed Allison Rds Automatic

2025 Kenworth T380 Mechanic / Service Truck - Paccar, 325HP, 6 Speed Allison Rds Automatic

$239,095 USD
Transfer this unit to your nearest Maryland/Delaware location at no additional cost – Baltimore, Bel Air, Dover, Landover, Mardela Springs, Upper Marlboro, or Westminster. Contact us for...
ConditionNew
Usage1,075 Miles
Duty ClassHeavy Duty Service Truck
Bed Length14 ft.
Horse Power325 HP
Engine ModelPaccar PX7
Drivetrain4x2
Transmission6 Speed Allison RDS Automatic
SuspensionAir Ride
Rear AxleSingle Axle
Rear End21,000 lb 6.17 ratio
Stock NumberKN180807
MLS Number14088002
CategoryMechanic / Utility / Service Trucks
Last Updated1/14/2026
Location
Rosedale, MD, US
Sold By
All Roads Trucks
RAM 5500 Mechanic / Service Truck - Cummins, 370HP

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...
ConditionNew
Usage19 Miles
Horse Power370 HP
Engine ModelCummins 6.7L D
Drivetrain4x4
Transmission6 Speed
SuspensionSpring
Rear End13,500 lb
Stock NumberRG152270
MLS Number12591094
CategoryMechanic / Utility / Service Trucks
Last Updated1/13/2026
Location
Union Grove, WI, US
Sold By
Custom Truck One Source
RAM 5500 Mechanic / Service Truck - Cummins, 370HP

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...
ConditionNew
Usage25 Miles
Horse Power370 HP
Engine ModelCummins 6.7L D
Drivetrain4x4
Transmission6 Speed
SuspensionSpring
Rear End13,500 lb
Stock NumberRG137528
MLS Number13634620
CategoryMechanic / Utility / Service Trucks
Last Updated1/13/2026
Location
Union Grove, WI, US
Sold By
Custom Truck One Source
2014 Freightliner Business Class M2-106 Enclosed Utility, Cummins 6.7L, Allison Auto, Well Maintained, Ready for Work

2014 Freightliner Business Class M2-106 Enclosed Utility, Cummins 6.7L, Allison Auto, Well Maintained, Ready for Work

$31,995 USD
FOR SALE – 2014 FREIGHTLINER M2-106 ENCLOSED UTILITY / SERVICE TRUCK, For sale is a professionally outfitted enclosed utility truck designed for mechanical service operations, field...
ConditionUsed
Usage7,956 Hours
Duty ClassHeavy Duty Service Truck
Upfit TypeHigh Roof Enclosed Service Truck Body
Upfit MakeAdkins
Upfit Model15094T74
Bed Length12.6
Horse Power250 HP
Engine ModelCummins ISB
Drivetrain4x2
Transmission6 Speed Allison RDS Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End21,000 lb
Stock NumberFV8584
MLS Number14029346
CategoryMechanic / Utility / Service Trucks
Last Updated1/12/2026
Location
Miami, FL, US
Sold By
Truck and Van Outlet
Kenworth T380 Mechanic / Service Truck - Paccar, 325HP, 6 Speed Allison Rds Automatic

2025 Kenworth T380 Mechanic / Service Truck - Paccar, 325HP, 6 Speed Allison Rds Automatic

$239,095 USD
Transfer this unit to your nearest Maryland/Delaware location at no additional cost – Baltimore, Bel Air, Dover, Landover, Mardela Springs, Upper Marlboro, or Westminster. Contact us for...
ConditionNew
Usage960 Miles
Duty ClassHeavy Duty Service Truck
Bed Length14 ft.
Horse Power325 HP
Engine ModelPaccar PX7
Drivetrain4x2
Transmission6 Speed Allison RDS Automatic
SuspensionAir Ride
Rear AxleSingle Axle
Rear End21,000 lb 6.17 ratio
Stock NumberKN180808
MLS Number13703381
CategoryMechanic / Utility / Service Trucks
Last Updated1/11/2026
Location
Westminster, MD, US
Sold By
All Roads Trucks
Chevrolet Silverado 5500HD Mechanic / Service Truck - Duramax, 6 Speed Automatic

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

$58,750 USD
2019 Chevrolet Silverado 5500 HD Service Truck Quick Highlights:, , Engine: 6.6L V8 Duramax Turbodiesel – Powerful and efficient for heavy-duty tasks , Transmission: Automatic – Smooth and...
ConditionUsed
Usage3,730 Hours
Duty ClassMedium Duty Service Truck
Bed Length11 ft.
Drivetrain4x4
Transmission6 Speed Automatic
Stock Number4CT7444
MLS Number14082825
CategoryMechanic / Utility / Service Trucks
Last Updated1/11/2026
Location
Greensboro, NC, US
Sold By
Impex Heavy Metal
2006 Ford F-750 XL Mechanic / Service Truck - Stellar 10620 Mechanic Body

2006 Ford F-750 XL Mechanic / Service Truck - Stellar 10620 Mechanic Body

$64,900 USD
***Blow out sale Cash Price*** Was $66,900.00*** AVAILABLE NOW! 2006 F750 XL, with C-7 CAT and a 6-sp manual transmission, great condition. Stellar 10620 crane 3 Product tanks with pumps...
ConditionUsed
Usage261,408 Miles
Duty ClassMedium Duty Service Truck
Upfit TypeMechanic Body
Upfit MakeStellar
Upfit Model10620
Bed Length14 ft.
Horse Power250 HP
Engine ModelCaterpillar C-7
Drivetrain4x2
Transmission6 Speed Manual
Rear AxleSingle Axle
Rear End21,000 lb
Door TypeSwing
OutriggersYes
Max Reach20 ft
Lift Capacity10000.00 Lb
Lift Capacity5.00 Ton
WinchYes
Stock Number316743
MLS Number14008321
CategoryMechanic / Utility / Service Trucks
Last Updated1/30/2026
Location
Midvale, UT, US
Sold By
MTS Utah, Inc.
RAM 5500 Tradesman Mechanic / Service Truck - 6 Speed Automatic

2024 RAM 5500 Tradesman Mechanic / Service Truck - 6 Speed Automatic

$163,995 USD
New 2024 Ram 5500 Reg Cab Diesel 4x4 Tradesman with an 11' Knapheide KMT1 Mechanics Body with a Stellar 8630 8K Crane Work Truck For Sale.Bright White Clearcoat 2024 Ram 5500HD Tradesman 4WD...
ConditionNew
Usage44 Miles
Duty ClassMedium Duty Service Truck
Transmission6 Speed Automatic
Stock NumberADRB240987
MLS Number13799338
CategoryMechanic / Utility / Service Trucks
Last Updated1/8/2026
Location
Avondale, AZ, US
Sold By
Larry H. Miller Ford - Mesa
RAM 5500 Tradesman Mechanic / Service Truck - 6 Speed Automatic

2024 RAM 5500 Tradesman Mechanic / Service Truck - 6 Speed Automatic

$163,995 USD
New 2024 Ram 5500 Reg Cab Diesel 4x4 Tradesman with an 11' Knapheide KMT1 Mechanics Body with a Stellar 8630 8K Crane Work Truck For Sale.Bright White Clearcoat 2024 Ram 5500HD Tradesman 4WD...
ConditionNew
Usage35 Miles
Duty ClassMedium Duty Service Truck
Transmission6 Speed Automatic
Stock NumberADRB240986
MLS Number13799337
CategoryMechanic / Utility / Service Trucks
Last Updated1/8/2026
Location
Avondale, AZ, US
Sold By
Larry H. Miller Ford - Mesa
Peterbilt 536 Mechanic / Service Truck - Paccar, 300HP

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...
ConditionNew
Horse Power300 HP
Engine ModelPaccar PX7 D
Drivetrain4x2
Transmission6 Speed
SuspensionNeway
Rear End21,000 lb
Stock NumberTM789032
MLS Number13747040
CategoryMechanic / Utility / Service Trucks
Last Updated1/8/2026
Location
Alvarado, TX, US
Sold By
Custom Truck One Source
RAM 5500 Tradesman Mechanic / Service Truck - 6 Speed Automatic

2024 RAM 5500 Tradesman Mechanic / Service Truck - 6 Speed Automatic

$169,895 USD
New 2024 Ram 5500 Crew Cab 4x4 Diesel with an 11' Reading RM45 Mechanics Body with Liftmoore 8045 8K Crane Mechanics work truck for sale. The sale price includes the crane truck body and...
ConditionNew
Usage39 Miles
Duty ClassMedium Duty Service Truck
Transmission6 Speed Automatic
Stock NumberADRB240688
MLS Number13660062
CategoryMechanic / Utility / Service Trucks
Last Updated1/11/2026
Location
Avondale, AZ, US
Sold By
Larry H. Miller Ford - Mesa
RAM 5500 Tradesman Mechanic / Service Truck - 6 Speed Automatic

2024 RAM 5500 Tradesman Mechanic / Service Truck - 6 Speed Automatic

$163,995 USD
New 2024 Ram 5500 Chassis Cab 11' Knapheide KMT1 Mechanics Body with Stellar 8630 8K Crane work truck for sale. The sale price includes the mechanics truck body and crane. Stock#...
ConditionNew
Usage2 Miles
Duty ClassMedium Duty Service Truck
Transmission6 Speed Automatic
Stock NumberADRB240989
MLS Number13621816
CategoryMechanic / Utility / Service Trucks
Last Updated1/8/2026
Location
Avondale, AZ, US
Sold By
Larry H. Miller Ford - Mesa
RAM 5500 Tradesman Mechanic / Service Truck - 6 Speed Automatic

2024 RAM 5500 Tradesman Mechanic / Service Truck - 6 Speed Automatic

$163,995 USD
New 2024 Ram 5500 Reg Cab 4x4 Diesel Tradesman with an 11' Knapheide KMT1 Mechanics Body with Stellar 8630 8K Crane work truck for sale. The sale price includes the mechanics truck body and...
ConditionNew
Usage47 Miles
Duty ClassMedium Duty Service Truck
Transmission6 Speed Automatic
Stock NumberADRB240988
MLS Number13599440
CategoryMechanic / Utility / Service Trucks
Last Updated1/15/2026
Location
Avondale, AZ, US
Sold By
Larry H. Miller Ford - Mesa
Chevrolet 6500 Mechanic / Service Truck - Duramax, 350HP

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...
ConditionNew
Usage47 Miles
Horse Power350 HP
Engine ModelDuramax 6.6L D
Drivetrain4x4
Transmission6 Speed
SuspensionSpring
Rear End15,000 lb
Stock NumberPH125638
MLS Number12626674
CategoryMechanic / Utility / Service Trucks
Last Updated1/8/2026
Location
Union Grove, WI, US
Sold By
Custom Truck One Source
RAM 5500 Tradesman Mechanic / Service Truck - 6 Speed Automatic

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...
ConditionNew
Usage25 Miles
Duty ClassMedium Duty Service Truck
Transmission6 Speed Automatic
Stock NumberADRB240861
MLS Number13383995
CategoryMechanic / Utility / Service Trucks
Last Updated1/8/2026
Location
Avondale, AZ, US
Sold By
Larry H. Miller Ford - Mesa
Did you find what you were looking for? Yes No
Got a mechanic / service truck to sell? In minutes, you can create an online listing for your mechanic / service truck and advertise it to thousands of buyers.
Start selling today