1. Home
  2. For Sale
  3. Trucks
  4. Mechanic / Utility / Service Trucks

6 Speed Mechanic / Utility / Service Trucks with Air Ride Suspension For Sale

Close
Your Current Search
Industry
Trucks
Category
Mechanic / Utility / Service Trucks
Transmission Speeds
6 Speed
Suspension Type
Air Ride
Market Type
Click the to remove the filter.
Save Search
Email Alert
What's Save Search and Email Alert?
Narrow Your Search
Keyword Search
Search within the selected criteria
Equipment Type
Trucks (15)
Category
Mechanic / Utility / Service Trucks (15)
Model
Select a manufacturer to view available models.
Condition
Model Year
-
GVWR Category
Bed Length
14 (3)13 (1)12 (1)11.5 (1)11 (3)
Rear Axle
Single (15)
Transmission Type
Transmission Speed
6 Speed (15)
Drive Train
4x2 (11)
Engine Manufacturer
Exterior Color
Suspension Type
Air Ride (15)
Cab Style
Upfit Type
Welder / Mechanics Body / Crane Truck Body (1)
Upfit Manufacturer
SUMMIT TRUCK BODIES (1)
Fuel Type
Diesel (15)
Mileage
-
Horsepower
-
Inspection Report
Yes (0)
Warranty
Yes (0)
No (0)
Price
-
Country
United States (15)
State / Region
Select a state below and click Refine Results.





Seller Type
Dealerships (15)
Market Type

Shop Mechanic / Utility / Service Trucks by Brand

Quick Filters

Showing 1 - 15 of 15 Service Truck Listings

1 - 15 of 15 listings
1 - 15 of 15 listings
Kenworth T370 Mechanic / Service Truck - Paccar, 350HP, 6 Speed Allison Rds Automatic

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

Newly Listed
Contact for price
2019 Kenworth T370 Mechanics Truck, Paccar Px9 8.9L Turbo Diesel Engine, 350 HP, Engine Brake, Allison 3000RDS 6 Speed Transmission, 138,222 Miles 5,347 Engine Hours, 33K Lb. GVWR (12K...
ConditionUsed
Usage5,347 Hours
Duty ClassHeavy Duty Service Truck
Bed Length14 ft.
Horse Power350 HP
Engine ModelPaccar PX9
Drivetrain4x2
Transmission6 Speed Allison RDS Automatic
SuspensionAir Ride
Rear AxleSingle Axle
Rear End21,000 lb 4.78 ratio
Stock Numbert18169d
MLS Number14375050
CategoryMechanic / Utility / Service Trucks
Last Updated5/16/2026
Location
Denver, CO, US
Sold By
DTI Trucks
(855) 653-___  SHOW
NUMBERCall Seller
Email Seller
Save
DTI Trucks
International DuraStar 4300 Mechanic / Service Truck - Cummins, 6 Speed Allison Rds Automatic

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

Recently Updated
$43,900 USD
USED 2018 INTERNATIONAL 4300 SERVICE BODY, CUMMINS ISB ENGINE, ALLISON AUTOMATIC RDS TRANSMISSION, LOW MILES, 173" WHEELBASE, BENCH SEAT, 12' SERVICE BODY, TONS OF STORAGE, D RINGS ON BED,...
Quantity2
ConditionUsed
Usage38,000 Hours
Duty ClassHeavy Duty Service Truck
Bed Length12 ft.
Horse Power260 HP
Engine ModelCummins ISB
Drivetrain4x2
Transmission6 Speed Allison RDS Automatic
SuspensionAir Ride
Rear AxleSingle Axle
Rear End20,000 lb
Stock Number9736
MLS Number13601670
CategoryMechanic / Utility / Service Trucks
Last Updated5/16/2026
Location
Robstown, TX, US
Sold By
J&B Pavelka, Inc.
(844) 257-___  SHOW
NUMBERCall Seller
Email Seller
Save
J&B Pavelka, Inc.
Mack MD6 Mechanic / Service Truck - Cummins, 2935HP, 6 Speed Allison Rds Automatic

2024 Mack MD6 Mechanic / Service Truck - Cummins, 2935HP, 6 Speed Allison Rds Automatic

Newly Listed
Contact for price
2024 Mack MD Mechanics Truck, Cummins B6.7L Turbo Deisel Engine, 300HP, Engine Brake, Allison 6 Speed Automatic Transmission, 76,306 Miles 2,935 Engine Hours, 25,995 Lb. GVWR (12K Steer...
ConditionUsed
Usage2,935 Hours
Duty ClassMedium Duty Service Truck
Bed Length11 ft.
Horse Power2935 HP
Engine ModelCummins B6.7
Transmission6 Speed Allison RDS Automatic
SuspensionAir Ride
Rear AxleSingle Axle
Rear End21,000 lb 5.57 ratio
Stock NumberT18215D
MLS Number14372134
CategoryMechanic / Utility / Service Trucks
Last Updated5/15/2026
Location
Denver, CO, US
Sold By
DTI Trucks
(855) 653-___  SHOW
NUMBERCall Seller
Email Seller
Save
DTI Trucks
2026 Peterbilt 536 / Summit 10620 Crane / 10k lbs. / Welder / Compressor / NON-CDL

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

Price Drop $199,995 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 Updated5/11/2026
Location
Miami, FL, US
Sold By
Truck and Van Outlet
(844) 982-___  SHOW
NUMBERCall Seller
Email Seller
Save
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

$229,995 USD
For a limited time, qualifying HD and MD trucks equipped with a PACCAR MX engine may be eligible for financing as low as 6.99% APR through PACCAR Financial. Offer expires May 31, 2026, and...
ConditionNew
Usage1,510 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 NumberKN180809
MLS Number13703382
CategoryMechanic / Utility / Service Trucks
Last Updated5/9/2026
Location
Fort Lauderdale, FL, US
Sold By
All Roads Trucks
(954) 523-___  SHOW
NUMBERCall Seller
Email Seller
Save
All Roads Trucks
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

$229,995 USD
For a limited time, qualifying HD and MD trucks equipped with a PACCAR MX engine may be eligible for financing as low as 6.99% APR through PACCAR Financial. Offer expires May 31, 2026, and...
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 Updated5/9/2026
Location
Westminster, MD, US
Sold By
All Roads Trucks
(855) 984-___  SHOW
NUMBERCall Seller
Email Seller
Save
All Roads Trucks
Kenworth T270 Mechanic / Service Truck - Paccar, 300HP, 6 Speed Allison Rds Automatic

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,...
ConditionUsed
Usage9,488 Hours
Duty ClassMedium Duty Service Truck
Horse Power300 HP
Engine ModelPaccar PX9
Drivetrain4x2
Transmission6 Speed Allison RDS Automatic
SuspensionAir Ride
Rear AxleSingle Axle
Rear End16,000 lb 5.25 ratio
Stock Number139427
MLS Number14282017
CategoryMechanic / Utility / Service Trucks
Last Updated5/6/2026
Location
Chatham, VA, US
Sold By
Atkinson Truck Sales
(855) 804-___  SHOW
NUMBERCall Seller
Email Seller
Save
Atkinson Truck Sales
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 Updated4/8/2026
Location
Chatham, VA, US
Sold By
Atkinson Truck Sales
(855) 804-___  SHOW
NUMBERCall Seller
Email Seller
Save
Atkinson Truck Sales
Kenworth T370 Mechanic / Service Truck - 350HP, 6 Speed Allison Rds Automatic

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...
ConditionUsed
Usage7,440 Hours
Duty ClassHeavy Duty Service Truck
Horse Power350 HP
Drivetrain4x2
Transmission6 Speed Allison RDS Automatic
SuspensionAir Ride
Rear AxleSingle Axle
Rear End22,000 lb 4.78 ratio
Stock NumberT18054D
MLS Number14265013
CategoryMechanic / Utility / Service Trucks
Last Updated4/7/2026
Location
Denver, CO, US
Sold By
DTI Trucks
(855) 653-___  SHOW
NUMBERCall Seller
Email Seller
Save
DTI Trucks
Peterbilt 537 Mechanic / Service Truck - Paccar, 350HP, 6 Speed Allison Rds Automatic

2027 Peterbilt 537 Mechanic / Service Truck - Paccar, 350HP, 6 Speed Allison Rds Automatic

Contact for price
2027 Peterbilt 537 Mechanics Truck, Paccar PX9 Turbo Diesel Engine, 350 HP, Engine Brake, Allison 3000RDS 6 Speed Automatic Transmission, ONLY 1,130 Miles ONLY 28 Hours, 33K GVWR (12K Steer...
ConditionUsed
Usage28 Hours
Duty ClassHeavy Duty Service Truck
Horse Power350 HP
Engine ModelPaccar PX9
Drivetrain4x2
Transmission6 Speed Allison RDS Automatic
SuspensionAir Ride
Rear AxleSingle Axle
Rear End21,000 lb 4.89 ratio
Stock NumberT18033D
MLS Number14255570
CategoryMechanic / Utility / Service Trucks
Last Updated3/20/2026
Location
Denver, CO, US
Sold By
DTI Trucks
(855) 653-___  SHOW
NUMBERCall Seller
Email Seller
Save
DTI Trucks
Kenworth T370 Mechanic / Service Truck - Paccar, 300HP, 6 Speed Allison Rds 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...
ConditionUsed
Usage13,427 Hours
Duty ClassHeavy Duty Service Truck
Bed Length11 ft.
Horse Power300 HP
Engine ModelPaccar PX7
Transmission6 Speed Allison RDS Automatic
SuspensionAir Ride
Rear AxleSingle Axle
Rear End21,000 lb 5.25 ratio
Stock NumberGM117044
MLS Number14241222
CategoryMechanic / Utility / Service Trucks
Last Updated3/12/2026
Location
Chatham, VA, US
Sold By
J&J Truck Sales
(844) 305-___  SHOW
NUMBERCall Seller
Email Seller
Save
J&J Truck Sales
Ford F-750 XLT Mechanic / Service Truck - Cummins, 250HP, 6 Speed Automatic

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...
ConditionUsed
Usage9,403 Hours
Duty ClassHeavy Duty Service Truck
Bed Length11 ft.
Horse Power250 HP
Engine ModelCummins ISB6.7
Transmission6 Speed Automatic
SuspensionAir Ride
Rear AxleSingle Axle
Rear End21,000 lb
Stock NumberFV730234
MLS Number14229963
CategoryMechanic / Utility / Service Trucks
Last Updated3/7/2026
Location
Chatham, VA, US
Sold By
J&J Truck Sales
(844) 305-___  SHOW
NUMBERCall Seller
Email Seller
Save
J&J Truck Sales
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
(855) 804-___  SHOW
NUMBERCall Seller
Email Seller
Save
Atkinson Truck Sales
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
(844) 305-___  SHOW
NUMBERCall Seller
Email Seller
Save
J&J Truck Sales
Peterbilt 337 Mechanic / Service Truck - Paccar, 300HP, 6 Speed Manual

2013 Peterbilt 337 Mechanic / Service Truck - Paccar, 300HP, 6 Speed Manual

$30,000 USD
nice truck, runs great, clean, air seat, air brakes, NICE READING BODY, NOT RUSTY, lots of storage, power windows, power door locks, tilt/tele, heated mirrors, air seat, dump valve,,
ConditionUsed
Usage221,308 Miles
Duty ClassHeavy Duty Service Truck
Horse Power300 HP
Engine ModelPaccar PX8
Drivetrain4x2
Transmission6 Speed Manual
SuspensionAir Ride
Rear AxleSingle Axle
Rear End21,000 lb 3.70 ratio
Stock Number13PETE221SERAUC
MLS Number12528967
CategoryMechanic / Utility / Service Trucks
Last Updated11/10/2025
Location
Covington, TN, US
Sold By
Don Baskin Truck Sales
(833) 801-___  SHOW
NUMBERCall Seller
Email Seller
Save
Don Baskin Truck Sales
Save Search
Email Alert
What's Save Search and Email Alert?
Want to narrow or modify your search criteria?
Filter by Price
Filter by Year
Filter by Location
Filter by Model
Filter by Keyword
Modify your search
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