Used 6 Speed Crew Cab Mechanic / Utility / Service Trucks For Sale

Your Current Search
Industry
Trucks
Category
Mechanic / Utility / Service Trucks
Cab Style
Crew Cab
Transmission Speeds
6 Speed
Condition
Used
Market Type
Click the to remove the filter.
Narrow Your Search
Keyword Search
Search within the selected criteria
Industry
Trucks (16)
Category
Mechanic / Utility / Service Trucks (16)
Model
Select a manufacturer to view available models.
Condition
Used (16)
Model Year
-
GVWR Category
Rear Axle
Single (9)
Transmission Type
Transmission Speed
6 Speed (16)
Drive Train
Engine Manufacturer
Exterior Color
Suspension Type
Spring (6)
Cab Style
Crew Cab (16)
Upfit Type
Service Utility Truck Body (3)
Upfit Manufacturer
Knapheide (3)
Fuel Type
Mileage
-
Horsepower
-
Inspection Report
Yes (0)
Warranty
Yes (0)
Price
-
Country
United States (16)
State / Region
Select a state below and click Refine Results.





Seller Type
Market Type
Filter by Manufacturer
Filter by Specs or Location
1-16 of 16 results
1-16 of 16 results
Featured Item
RAM 3500 Mechanic / Service Truck - Cummins, 6 Speed Automatic
106 0

2022 RAM 3500 Mechanic / Service Truck - Cummins, 6 Speed Automatic

Recently Updated
$59,750 USD
2022 RAM 3500HD Service Truck Quick Highlights:, , Engine: Cummins 6.7L I6 Turbodiesel – Reliable and powerful for demanding workloads , Transmission: Automatic – Smooth and efficient...
ConditionUsed
Usage36,459 Miles
Duty ClassLight Duty Service Truck
Bed Length9 ft.
Engine ModelCummins ISB6.7
Drivetrain4x4
Transmission6 Speed Automatic
Stock Number4RT0984
MLS Number13711529
CategoryMechanic / Utility / Service Trucks
Last Updated7/30/2025
Location
Greensboro, NC, US
Sold By

Impex Heavy Metal

Featured Item
2017 Ford F-550 XL Crew Cab Mechanic / Service Truck - Knapheide Service Utility Truck Body
14 0

2017 Ford F-550 XL Crew Cab Mechanic / Service Truck - Knapheide Service Utility Truck Body

$100,000 USD
2017 F550 Ford Super Duty custom-built puller and custom built Knapheide step down service body. Goose neck and fifth wheel hitch Only 16,500 miles Like new, excellent condition Call for...
ConditionUsed
Usage16,000 Miles
Duty ClassMedium Duty Service Truck
Upfit TypeService Utility Truck Body
Upfit MakeKnapheide
Upfit ModelCustom
Bed Length12 ft.
Horse Power440 HP
Engine ModelFord 6.7L Power Stroke
Drivetrain4x2
Transmission6 Speed Automatic
Rear AxleSingle Axle
Rear End3.70 ratio
Door TypeSwing
MLS Number13559342
CategoryMechanic / Utility / Service Trucks
Last Updated7/7/2025
Location
Greenville, CA, US
Sold By

Vernon Roberts

GMC Sierra 3500HD Mechanic / Service Truck - Chevrolet, 401HP, 6 Speed Automatic
26 0

2021 GMC Sierra 3500HD Mechanic / Service Truck - Chevrolet, 401HP, 6 Speed Automatic

Newly Listed
$49,500 USD
2024 GMC 3500HD 8ft Service/Utility Truck, 6.6L V8 Engine 401HP, 6 Speed Automatic Transmission, 11,500 GVWR, 5,600 lbs Front Axle, 7,250 Rear Axle, Four Wheel Drive (4X4), Auto Transfer...
ConditionUsed
Usage49,739 Miles
Duty ClassLight Duty Service Truck
Horse Power401 HP
Drivetrain4x4
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End7,250 lb
Stock NumberT17456M
MLS Number13736882
CategoryMechanic / Utility / Service Trucks
Last Updated8/1/2025
Location
Wheat Ridge, CO, US
Sold By

DTI Trucks

Chevrolet 3500HD Mechanic / Service Truck - 6 Speed Automatic
74 0

2013 Chevrolet 3500HD Mechanic / Service Truck - 6 Speed Automatic

Recently Updated
$13,650 USD
2013 Chevrolet 3500HD Service Truck Quick Highlights:, , Engine: DURAMAX 6.6L V8 Turbodiesel – Reliable and powerful for demanding workloads , Transmission: Automatic – Smooth and efficient...
ConditionUsed
Usage373,438 Miles
Duty ClassLight Duty Service Truck
Drivetrain4x4
Transmission6 Speed Automatic
Stock Number4CT7526
MLS Number13693901
CategoryMechanic / Utility / Service Trucks
Last Updated7/27/2025
Location
Greensboro, NC, US
Sold By

Impex Heavy Metal

Chevrolet 3500HD Mechanic / Service Truck - 6 Speed Automatic
71 0

2013 Chevrolet 3500HD Mechanic / Service Truck - 6 Speed Automatic

Recently Updated
$13,650 USD
2013 Chevrolet 3500HD Service Truck Quick Highlights:, , Engine: DURAMAX 6.06L V8 Turbodiesel – Reliable and powerful for demanding workloads , Transmission: Automatic – Smooth and efficient...
ConditionUsed
Usage382,792 Miles
Duty ClassLight Duty Service Truck
Bed Length9 ft.
Drivetrain4x4
Transmission6 Speed Automatic
Stock Number4CT1374
MLS Number13686101
CategoryMechanic / Utility / Service Trucks
Last Updated7/27/2025
Location
Greensboro, NC, US
Sold By

Impex Heavy Metal

Chevrolet 3500HD Mechanic / Service Truck - 6 Speed Automatic
66 0

2013 Chevrolet 3500HD Mechanic / Service Truck - 6 Speed Automatic

Recently Updated
$13,650 USD
2013 Chevrolet 3500HD Service Truck Quick Highlights:, , Engine: VORTEC 6.0L V8 SFI VVT – Reliable and powerful for demanding workloads , Transmission: Automatic – Smooth and efficient...
ConditionUsed
Usage316,145 Miles
Duty ClassLight Duty Service Truck
Bed Length8 ft.
Drivetrain4x2
Transmission6 Speed Automatic
Stock Number4CT7376
MLS Number13685274
CategoryMechanic / Utility / Service Trucks
Last Updated7/27/2025
Location
Greensboro, NC, US
Sold By

Impex Heavy Metal

Chevrolet 3500HD Mechanic / Service Truck - 6 Speed Automatic
71 0

2014 Chevrolet 3500HD Mechanic / Service Truck - 6 Speed Automatic

Recently Updated
$14,450 USD
2014 Chevrolet 3500HD Service Truck Quick Highlights:, , Engine: VORTEC 6.0L V8 SFI VVT – Reliable and powerful for demanding workloads , Transmission: Automatic – Smooth and efficient...
ConditionUsed
Usage301,750 Miles
Duty ClassLight Duty Service Truck
Bed Length9 ft.
Drivetrain4x2
Transmission6 Speed Automatic
Stock Number4CT8282
MLS Number13685252
CategoryMechanic / Utility / Service Trucks
Last Updated7/27/2025
Location
Greensboro, NC, US
Sold By

Impex Heavy Metal

Ford F-450 Mechanic / Service Truck - 6.7L POWER STROKE, 325HP, 6 Speed Automatic
62 0

2018 Ford F-450 Mechanic / Service Truck - 6.7L POWER STROKE, 325HP, 6 Speed Automatic

$41,500 USD
2018 Ford F-450 5000lb Crane 11ft Mechanics Bed Truck 6.7L Diesel Crew Cab Condition, Title: Clean, Engine, Fuel Type: Diesel, Engine Make: Ford, Engine Description: 6.7L Powerstroke, Engine...
ConditionUsed
Usage155,406 Miles
Duty ClassMedium Duty Service Truck
Horse Power325 HP
Engine ModelFord 6.7L POWER STROKE
Drivetrain4x4
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End4.10 ratio
Stock NumberB32320
MLS Number13723107
CategoryMechanic / Utility / Service Trucks
Last Updated7/25/2025
Location
El Reno, OK, US
Sold By

OT Truck and Tractor Sales LLC

Ford F-350 Mechanic / Service Truck - 6.2L FLEX FUEL V8, 385HP, 6 Speed Automatic
76 0

2017 Ford F-350 Mechanic / Service Truck - 6.2L FLEX FUEL V8, 385HP, 6 Speed Automatic

Price Drop
$25,995 USD
For Sale: 2017 Ford F-350 Super Duty Crew Cab Utility Truck – 8' Knapheide Body with Auxiliary Fuel Tank This 2017 Ford F-350 Super Duty is a work-ready crew cab utility truck, ideal for...
ConditionUsed
Usage96,589 Miles
Duty ClassLight Duty Service Truck
Bed Length8 ft.
Horse Power385 HP
Engine ModelFord 6.2L FLEX FUEL V8
Drivetrain4x2
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End10,040 lb
Stock NumberB14676
MLS Number13558416
CategoryMechanic / Utility / Service Trucks
Last Updated7/25/2025
Location
Miami, FL, US
Sold By

Truck and Van Outlet

2015 Ford F-350 XL Crew Cab Mechanic / Service Truck - Knapheide Service Utility Truck Body
11 0

2015 Ford F-350 XL Crew Cab Mechanic / Service Truck - Knapheide Service Utility Truck Body

Price Drop
$19,995 USD
For Sale: 2015 Ford F-350 Super Duty Crew Cab Utility Truck – 8' Knapheide Body, 1-Owner This 2015 Ford F-350 Super Duty is a versatile crew cab utility truck, ideal for contractors,...
ConditionUsed
Usage92,042 Miles
Duty ClassLight Duty Service Truck
Upfit TypeService Utility Truck Body
Upfit MakeKnapheide
Bed Length8 ft.
Horse Power316 HP
Engine ModelFord 6.2L FLEX FUEL V8
Drivetrain4x2
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End9,750 lb
Stock NumberB77804
MLS Number13558415
CategoryMechanic / Utility / Service Trucks
Last Updated7/25/2025
Location
Miami, FL, US
Sold By

Truck and Van Outlet

RAM 3500 Mechanic / Service Truck - Cummins, 360HP, 6 Speed Automatic
26 0

2023 RAM 3500 Mechanic / Service Truck - Cummins, 360HP, 6 Speed Automatic

$59,500 USD
2023 Ram 3500 HD 8ft Service/Utility Truck, 6.7L Cummins 360HP, 6 Speed Automatic Transmission, Exhaust Brake, 12,300 GVWR, 6,000 lbs Front Axle, 7,000lb Rear Axle, Four Wheel Drive (4X4),...
ConditionUsed
Usage40,982 Miles
Duty ClassLight Duty Service Truck
Bed Length8 ft.
Horse Power360 HP
Drivetrain4x4
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End7,000 lb
Stock NumberT17379M
MLS Number13709882
CategoryMechanic / Utility / Service Trucks
Last Updated7/18/2025
Location
Wheat Ridge, CO, US
Sold By

DTI Trucks

RAM 5500 Mechanic / Service Truck - 6 Speed Automatic
79 0

2021 RAM 5500 Mechanic / Service Truck - 6 Speed Automatic

$52,895 USD
2021 RAM 5500 HD Service Truck Quick Highlights:, , Engine: Cummins 6.7L I6 Turbodiesel – Built for power and efficiency in heavy-duty operations , Transmission: Automatic – Ensures smooth...
ConditionUsed
Usage71,969 Miles
Duty ClassMedium Duty Service Truck
Bed Length11 ft.
Drivetrain4x4
Transmission6 Speed Automatic
Stock Number4RT2735
MLS Number13683546
CategoryMechanic / Utility / Service Trucks
Last Updated7/13/2025
Location
Greensboro, NC, US
Sold By

Impex Heavy Metal

RAM 5500 Mechanic / Service Truck - Dodge, 6 Speed Automatic
81 0

2019 RAM 5500 Mechanic / Service Truck - Dodge, 6 Speed Automatic

$43,495 USD
2019 RAM 5500 HD Service Truck Quick Highlights:, , Engine: Cummins 6.7L I6 Turbodiesel – Built for power and efficiency in heavy-duty operations , Transmission: Automatic – Ensures smooth...
ConditionUsed
Usage125,172 Miles
Duty ClassMedium Duty Service Truck
Bed Length11 ft.
Drivetrain4x4
Transmission6 Speed Automatic
Stock Number4RT9409
MLS Number13616735
CategoryMechanic / Utility / Service Trucks
Last Updated7/13/2025
Location
Greensboro, NC, US
Sold By

Impex Heavy Metal

2017 Ford F-350 XL Crew Cab Mechanic / Service Truck - Knapheide Service Utility Truck Body
11 0

2017 Ford F-350 XL Crew Cab Mechanic / Service Truck - Knapheide Service Utility Truck Body

$26,995 USD
For Sale: 2017 Ford F-350 Super Duty Crew Cab Utility Truck – Knapheide Service Body with Auxiliary Fuel Tank This 2017 Ford F-350 Super Duty Crew Cab is a dependable utility truck designed...
ConditionUsed
Usage103,701 Miles
Duty ClassLight Duty Service Truck
Upfit TypeService Utility Truck Body
Upfit MakeKnapheide
Upfit Model9' Service Body
Bed Length6.2
Horse Power385 HP
Engine ModelFord 6.2L FLEX FUEL V8
Drivetrain4x2
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End10,040 lb
Stock NumberB14677
MLS Number13558418
CategoryMechanic / Utility / Service Trucks
Last Updated7/9/2025
Location
Miami, FL, US
Sold By

Truck and Van Outlet

RAM 4500 Mechanic / Service Truck - Cummins, 400HP, 6 Speed Automatic
4 0

2014 RAM 4500 Mechanic / Service Truck - Cummins, 400HP, 6 Speed Automatic

$39,999 USD
2014 RAM 4500 HD SERVICE TRUCK, - 180,438 MILES, - CUMMINS I6 TURBO DIESEL ENGINE, - 400 HP, - 6SPD AUTOMATIC TRANSMISSION, - SINGLE AXLE DULLY, - CREW CAB,
ConditionUsed
Usage180,438 Miles
Duty ClassMedium Duty Service Truck
Horse Power400 HP
Drivetrain4x4
Transmission6 Speed Automatic
Rear AxleSingle Axle
MLS Number11956317
CategoryMechanic / Utility / Service Trucks
Last Updated5/15/2025
Location
Athens, TN, US
Sold By

Gateline Equipment

RAM 5500 Mechanic / Service Truck - Cummins, 400HP, 6 Speed Automatic
7 0

2017 RAM 5500 Mechanic / Service Truck - Cummins, 400HP, 6 Speed Automatic

$39,999 USD
2017 RAM 5500 HD SERVICE TRUCK, - 130,554 MILES, - CUMMINS I6 TURBO DIESEL ENGINE, - 400 HP, - 6SPD AUTOMATIC TRANSMISSION, - SINGLE AXLE DULLY, - CREW CAB,
ConditionUsed
Usage130,554 Miles
Duty ClassMedium Duty Service Truck
Horse Power400 HP
Drivetrain4x4
Transmission6 Speed Automatic
Rear AxleSingle Axle
MLS Number11956313
CategoryMechanic / Utility / Service Trucks
Last Updated5/15/2025
Location
Athens, TN, US
Sold By

Gateline Equipment

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