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

Your Current Search
Industry
Trucks
Category
Mechanic / Utility / Service Trucks
Transmission Speeds
6 Speed
Condition
Used
Seller Type
Dealerships
Click the to remove the filter.
Narrow Your Search
Keyword Search
Search within the selected criteria
Equipment Type
Trucks (112)
Category
Mechanic / Utility / Service Trucks (112)
Model
Select a manufacturer to view available models.
Condition
Used (112)
Model Year
-
GVWR Category
Transmission Type
Transmission Speed
6 Speed (112)
Drive Train
Engine Manufacturer
Exterior Color
Suspension Type
Cab Style
Upfit Type
Upfit Manufacturer
Fuel Type
Mileage
-
Horsepower
-
Inspection Report
Yes (0)
Warranty
Yes (0)
No (0)
Price
-
Country
United States (112)
State / Region
Select a state below and click Refine Results.




















Seller Type
Dealerships (112)
Market Type

Shop Mechanic / Utility / Service Trucks by Brand

Quick Filters

Showing 76 - 100 of 112 Service Truck Listings

76 - 100 of 112 listings
76 - 100 of 112 listings
Ford F-350 Mechanic / Service Truck - 350HP, 6 Speed Automatic

2021 Ford F-350 Mechanic / Service Truck - 350HP, 6 Speed Automatic

$54,500 USD
2021 Ford F350 Service/Utility Truck, 7.3L V8 Engine, 6 Speed Automatic Torqshift Transmission, 11,300 GVWR, 4,800 lbs Front Axle, 6,780 lbs Rear Axle, Four Wheel Drive (4X4), Auto Transfer...
ConditionUsed
Usage37,908 Miles
Duty ClassLight Duty Service Truck
Horse Power350 HP
Drivetrain4x4
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End6,780 lb
Stock NumberT17050M
MLS Number13409789
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
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
Kenworth T370 Mechanic / Service Truck - Paccar, 300HP, 6 Speed Automatic

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...
ConditionUsed
Usage213,761 Miles
Duty ClassHeavy Duty Service Truck
Bed Length11 ft.
Horse Power300 HP
Engine ModelPaccar PX7
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End21,000 lb 5.57 ratio
Stock NumberKM259379
MLS Number14074951
CategoryMechanic / Utility / Service Trucks
Last Updated1/7/2026
Location
Chatham, VA, US
Sold By
J&J Truck Sales
Chevrolet Silverado 4500HD Mechanic / Service Truck - 6 Speed Automatic

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...
ConditionUsed
Usage74,462 Miles
Duty ClassMedium Duty Service Truck
Bed Length11 ft.
Drivetrain4x2
Transmission6 Speed Automatic
Stock Number4CT1616
MLS Number14069878
CategoryMechanic / Utility / Service Trucks
Last Updated1/10/2026
Location
Greensboro, NC, US
Sold By
Impex Heavy Metal
Kenworth T300 Mechanic / Service Truck - Caterpillar, 330HP

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
ConditionUsed
Usage225,309 Miles
Duty ClassMedium Duty Service Truck
Horse Power330 HP
Transmission6 Speed
Rear End21,000 lb 4.10 ratio
Stock Number111022
MLS Number14068090
CategoryMechanic / Utility / Service Trucks
Last Updated1/1/2026
Location
Louisville, KY, US
Sold By
Boyd Truck Centers
Ford F-350 XL Mechanic / Service Truck - 6 Speed Automatic

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...
ConditionUsed
Usage110,643 Miles
Duty ClassLight Duty Service Truck
Bed Length9 ft.
Drivetrain4x2
Transmission6 Speed Automatic
Stock Number4FT0705
MLS Number14029233
CategoryMechanic / Utility / Service Trucks
Last Updated12/28/2025
Location
Greensboro, NC, US
Sold By
Impex Heavy Metal
Kenworth T270 Mechanic / Service Truck - Paccar, 280HP, 6 Speed Allison Rds Automatic

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...
ConditionUsed
Usage281,913 Miles
Duty ClassMedium Duty Service Truck
Horse Power280 HP
Engine ModelPaccar PX7
Drivetrain4x2
Transmission6 Speed Allison RDS Automatic
SuspensionAir Ride
Rear AxleSingle Axle
Rear End16,000 lb 6.17 ratio
Stock Number483214
MLS Number13853325
CategoryMechanic / Utility / Service Trucks
Last Updated1/3/2026
Location
Chatham, VA, US
Sold By
Atkinson Truck Sales
GMC Sierra 2500 Mechanic / Service Truck - Chevrolet, 400HP, 6 Speed Automatic

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,...
ConditionUsed
Usage1,002 Hours
Duty ClassLight Duty Service Truck
Horse Power400 HP
Engine ModelL8T
Drivetrain4x4
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End6,390 lb
Stock NumberT17831M
MLS Number14025468
CategoryMechanic / Utility / Service Trucks
Last Updated12/10/2025
Location
Wheat Ridge, CO, US
Sold By
DTI Trucks
Ford F-750 Mechanic / Service Truck - Cummins, 325HP, 6 Speed Manual

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!,
ConditionUsed
Usage118,877 Miles
Duty ClassHeavy Duty Service Truck
Horse Power325 HP
Drivetrain4x2
Transmission6 Speed Manual
SuspensionSpring
Rear AxleSingle Axle
Rear End21,000 lb
Stock Number08F750118SER
MLS Number14020306
CategoryMechanic / Utility / Service Trucks
Last Updated12/6/2025
Location
Covington, TN, US
Sold By
Don Baskin Truck Sales
Chevrolet Silverado 2500HD Extended Cab Mechanic / Service Truck - Automatic

2008 Chevrolet Silverado 2500HD Extended Cab Mechanic / Service Truck - Automatic

$17,995 USD
2008 Chevrolet Silverado 2500 HD Extended Cab 4x4 Utility. 6.0 Gas Serviced Ready To Work! www.usaworktrucks.com Options: Pickup Bed Light, Front Bumper Color - Chrome, Grille Color -...
ConditionUsed
Usage152,989 Miles
Drivetrain4WD
Transmission6 Speed Automatic
Stock Number207524
MLS Number14019482
CategoryMechanic / Utility / Service Trucks
Last Updated12/11/2025
Location
Boise, ID, US
Sold By
USA Work Trucks
Ford F-350 Crew Cab Mechanic / Service Truck - Automatic

2019 Ford F-350 Crew Cab Mechanic / Service Truck - Automatic

$69,995 USD
2019 F350 DRW 4X4 CREW CAB UTILTY / CRANE TRUCK LIFTMOORE 4K POUND CRANE, EXTENED 179 WB 6.7L POWER STROKE V8 DIESEL 50 STATE EMISSIONS 119,941 MILES - STOCK C81732 PREFERRED EQUIPMENT...
ConditionUsed
Usage119,941 Miles
Drivetrain4x4
Transmission6 Speed Automatic
Stock NumberC81732
MLS Number14019471
CategoryMechanic / Utility / Service Trucks
Last Updated12/11/2025
Location
Boise, ID, US
Sold By
USA Work Trucks
Chevrolet 6500 Mechanic / Service Truck - Chevy, 350HP

2019 Chevrolet 6500 Mechanic / Service Truck - Chevy, 350HP

$106,400 USD
USED 2019 SERVICETRUCK+CRANE, 350 HP GM. Automatic transmission, 7500 lb Front Axle, 15000 lb Rear Axle, 165 WB.
ConditionUsed
Usage129,385 Miles
Horse Power350 HP
Engine ModelChevy 6.6L V8
Drivetrain4x4
Transmission6 Speed
SuspensionSpring
Rear End15,000 lb
Stock NumberKH385713
MLS Number13716312
CategoryMechanic / Utility / Service Trucks
Last Updated12/4/2025
Location
Oklahoma City, OK, US
Sold By
Custom Truck One Source
2019 Ford F-450 XL Mechanic / Service Truck - Vermeer B450 Backhoe

2019 Ford F-450 XL Mechanic / Service Truck - Vermeer B450 Backhoe

$33,995 USD
FOR SALE: 2019 FORD F-450 XL – MECHANIC SERVICE TRUCK-Vermeer B450 Backhoe, The 2019 Ford F-450 XL Super Duty is a heavy-duty mechanic’s truck designed for field service, equipment...
ConditionUsed
Usage4,307 Hours
Duty ClassMedium Duty Service Truck
Upfit TypeBackhoe
Upfit MakeVermeer
Upfit ModelB450
Bed Length9 ft.
Horse Power330 HP
Engine ModelFord Powerstroke
Drivetrain4x2
Transmission6 Speed Automatic
Rear AxleSingle Axle
Rear End12,880 lb
Stock NumberA19364
MLS Number13950023
CategoryMechanic / Utility / Service Trucks
Last Updated12/3/2025
Location
Miami, FL, US
Sold By
Truck and Van Outlet
Ford F-250 XL Mechanic / Service Truck - 6 Speed Automatic

2011 Ford F-250 XL Mechanic / Service Truck - 6 Speed Automatic

$14,495 USD
2011 Ford F-350 SD XL Service Truck Quick Highlights:, , Engine: Power Stroke 6.2L V8 EFI 16V FlexFuel – Reliable and powerful for heavy-duty applications , Transmission: Automatic – 4WD...
ConditionUsed
Usage157,320 Miles
Duty ClassLight Duty Service Truck
Bed Length8 ft.
Drivetrain4x2
Transmission6 Speed Automatic
Stock Number4FT7282
MLS Number13686111
CategoryMechanic / Utility / Service Trucks
Last Updated12/2/2025
Location
Greensboro, NC, US
Sold By
Impex Heavy Metal
Kenworth T270 Mechanic / Service Truck - Paccar, 300HP, 6 Speed Allison Rds Automatic

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...
ConditionUsed
Usage306,810 Miles
Duty ClassMedium Duty Service Truck
Horse Power300 HP
Engine ModelPaccar PX7
Drivetrain4x2
Transmission6 Speed Allison RDS Automatic
SuspensionAir Ride
Rear AxleSingle Axle
Rear End16,000 lb 5.25 ratio
Stock Number445214
MLS Number13995802
CategoryMechanic / Utility / Service Trucks
Last Updated11/22/2025
Location
Chatham, VA, US
Sold By
Atkinson Truck Sales
Peterbilt 537 Mechanic / Service Truck - Paccar, 370HP

2021 Peterbilt 537 Mechanic / Service Truck - Paccar, 370HP

$163,500 USD
2021 Peterbilt 537 4x2, 141,340 Miles, 12,000 Lbs. FAWR, 21,000 Lbs. RAWR, 33,000 Lbs. GVWR, Paccar PX-9 Engine, 370 Horsepower, Allison 3000RDS Transmission 2021 Load King VOYAGER 2 Service...
ConditionUsed
Usage141,340 Miles
Horse Power370 HP
Engine ModelPaccar PX9 D
Drivetrain4x2
Transmission6 Speed
SuspensionSpring
Rear End21,000 lb
Stock NumberMM732622
MLS Number13995297
CategoryMechanic / Utility / Service Trucks
Last Updated1/21/2026
Location
Canton, OH, US
Sold By
Custom Truck One Source
Chevrolet Silverado 3500 Mechanic / Service Truck - Duramax, 445HP, 6 Speed Automatic

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...
ConditionUsed
Usage60,528 Miles
Duty ClassLight Duty Service Truck
Horse Power445 HP
Engine ModelDuramax L5P 6.6L V8
Drivetrain4x4
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End10,400 lb
Stock NumberT17810M
MLS Number13993426
CategoryMechanic / Utility / Service Trucks
Last Updated11/20/2025
Location
Wheat Ridge, CO, US
Sold By
DTI Trucks
Kenworth T270 Mechanic / Service Truck - Paccar, 300HP, 6 Speed Manual

2015 Kenworth T270 Mechanic / Service Truck - Paccar, 300HP, 6 Speed Manual

$99,900 USD
Single Axle, 11.5' Adkins Service Body, 10006H AutoCrane, Wireless Remote, Hydraulic Outriggers, EnPak System Powered by Kubota Diesel, (8) 26" Drawers, (6) 12" Drawers Driver Side, (8) 12"...
ConditionUsed
Usage7,888 Hours
Duty ClassMedium Duty Service Truck
Bed Length11.5
Horse Power300 HP
Engine ModelPaccar PX7
Transmission6 Speed Manual
SuspensionAir Ride
Rear AxleSingle Axle
Rear End16,000 lb 4.88 ratio
Stock NumberFM442480
MLS Number13063309
CategoryMechanic / Utility / Service Trucks
Last Updated12/7/2025
Location
Chatham, VA, US
Sold By
J&J Truck Sales
Ford F550 SD XL Mechanic / Service Truck - 6 Speed Automatic

2019 Ford F550 SD XL Mechanic / Service Truck - 6 Speed Automatic

$48,895 USD
2019 Ford F-550 Super Duty XL Service Truck Quick Highlights:, , Engine: V10 – Powerful and reliable for heavy-duty jobs , Transmission: Automatic – Smooth and efficient performance...
ConditionUsed
Usage151,272 Miles
Duty ClassMedium Duty Service Truck
Bed Length5 ft.
Drivetrain4x4
Transmission6 Speed Automatic
Stock Number4FT5921
MLS Number13932558
CategoryMechanic / Utility / Service Trucks
Last Updated11/14/2025
Location
Greensboro, NC, US
Sold By
Impex Heavy Metal
Ford F550 SD XL Mechanic / Service Truck - 6.4L POWER STROKE, 325HP

2008 Ford F550 SD XL Mechanic / Service Truck - 6.4L POWER STROKE, 325HP

$21,900 USD
2008 Ford F550 --- Single Axle, 6.4 Powerstroke 325 HP, Manual 6 Speed, 6,500 Front Axle, 13,660 Rear Axle, 165" Wheelbase, 13' 9" Bridge, Spring, Steel Wheels, High Level Interior, Cruise...
ConditionUsed
Usage147,634 Miles
Duty ClassMedium Duty Service Truck
Horse Power325 HP
Engine ModelFord 6.4L POWER STROKE
Drivetrain4x2
Transmission6 Speed
SuspensionSpring
Rear AxleSingle Axle
Stock NumberC38862
MLS Number9856075
CategoryMechanic / Utility / Service Trucks
Last Updated10/24/2025
Location
Chatham, VA, US
Sold By
Atkinson Truck Sales
RAM 3500 Mechanic / Service Truck - Dodge, 410HP, 6 Speed Automatic

2018 RAM 3500 Mechanic / Service Truck - Dodge, 410HP, 6 Speed Automatic

$34,500 USD
2018 Ram 3500 Service/Utility Truck, Gas, Auto, 4x4 Powertrain Chassis: 74,681 miles, 6.4L Hemi with 410HP/429 lbs-ft, 6 spd Automatic Transmission 68RFE | 4x4, Hydraulic Brakes, Spring...
ConditionUsed
Usage74,681 Miles
Duty ClassLight Duty Service Truck
Horse Power410 HP
Drivetrain4x4
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End7,000 lb
Stock NumberT17679M
MLS Number13916327
CategoryMechanic / Utility / Service Trucks
Last Updated10/23/2025
Location
Wheat Ridge, CO, US
Sold By
DTI Trucks
GMC TopKick C6500 Mechanic / Service Truck - Caterpillar, 6 Speed Automatic

2008 GMC TopKick C6500 Mechanic / Service Truck - Caterpillar, 6 Speed Automatic

$36,950 USD
2008 GMC 6500 – Custom 12’ Mobile Lab / Command Truck, Former U.S. Government Civil Support Team unit – Analytical Laboratory System, ✅ Dual side entry doors (work area storage), ✅ Onboard...
ConditionUsed
Usage34,914 Miles
Duty ClassMedium Duty Service Truck
Bed Length12 ft.
Engine ModelCaterpillar C7
Drivetrain4x2
Transmission6 Speed Automatic
Rear AxleSingle Axle
Stock NumberMobile Command
MLS Number13696705
CategoryMechanic / Utility / Service Trucks
Last Updated10/3/2025
Location
Phoenix, AZ, US
Sold By
American Truck Sales & Salvage
Ford F-550 Mechanic / Service Truck - 6.0L POWER STROKE, 325HP, 6 Speed Manual

2004 Ford F-550 Mechanic / Service Truck - 6.0L POWER STROKE, 325HP, 6 Speed Manual

$10,000 USD
GOOD TRUCK, RUNS EXCELLENT, NICE SERVICE/ TOOL BODY! GOOD TIRES, LOTS OF STORAGE, AIR COMPRESSOR, DIESEL TANK WITH PUMP, 4000 LBS CRANE!!,
ConditionUsed
Usage255,507 Miles
Duty ClassMedium Duty Service Truck
Horse Power325 HP
Engine ModelFord 6.0L POWER STROKE
Drivetrain4x2
Transmission6 Speed Manual
SuspensionSpring
Rear AxleSingle Axle
Rear End13,500 lb
Stock Number04F550255SER
MLS Number13857848
CategoryMechanic / Utility / Service Trucks
Last Updated11/10/2025
Location
Covington, TN, US
Sold By
Don Baskin Truck Sales
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