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

(833) 658-___ SHOW
NUMBERCall Seller

2018 GMC 3500 Mechanic / Service Truck, Low Miles, Diesel, 12FT Boxes, Construction, Plumber, Electrician, Handyman, Clean, Utility

$34,500 USD

2018 GMC 3500 Cutaway Utility Truck Stock: 271441 VIN:1GD37RCG5J1271441 Year:2018 Make: GMC Model: 3500 Cutaway Engine:Vortec 6L V-8 variable valve control, regular unleaded, engine with...

Condition	Used
Usage	86,251 Miles
Duty Class	Light Duty Service Truck
Bed Length	12 ft.
Horse Power	341 HP
Engine Model	GMC L96 - Flexible Fuel Engine, Iron
Drivetrain	4x2
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	8,600 lb 3.73 ratio
Door Type	Swing
Stock Number	271441
MLS Number	14016764
Category	Mechanic / Utility / Service Trucks
Last Updated	9/21/2026
Location	North East, MD, US
Sold By	Complete Recycling Group LLC

2013 Freightliner M2 106 Mechanic / Service Truck - Cummins, 6 Speed Allison Rds Automatic

Newly Listed

$42,900 USD

2013 Freightliner M2 --- Single Axle, Cummins, Allison Automatic 6 Speed, 180" Wheelbase, 15' Bridge, SPRING, Air Brake, Differential Lock, Pintle Hitch with Air Electric Brake, 13' Body,...

Condition	Used
Usage	6,099 Hours
Duty Class	Heavy Duty Service Truck
Drivetrain	6x2
Transmission	6 Speed Allison RDS Automatic
Suspension	Spring
Rear Axle	Single Axle
Stock Number	FA9415
MLS Number	14614616
Category	Mechanic / Utility / Service Trucks
Last Updated	9/19/2026
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

(503) 332-___ SHOW
NUMBERCall Seller

2013 Ford F-750 Mechanic / Service Truck - Cummins, 260HP, 4 Speed Automatic

2012 Chevrolet Silverado 3500HD Mechanic / Service Truck - Automatic

Newly Listed

$16,900 USD

2012 Chevrolet Silverado 3500HD Utility Service Truck – 6.0L V8 – Cummins Onan Generator – High-Output Air Compressor – 111,000 Miles – Arizona Owned Extremely clean and exceptionally...

Condition	Used
Usage	111,647 Miles
Drivetrain	4x2
Transmission	6 Speed Automatic
Stock Number	1GB3CZCG7CF233980
MLS Number	14611840
Category	Mechanic / Utility / Service Trucks
Last Updated	9/18/2026
Location	Tualatin, OR, US
Sold By	Family Motor Company

(833) 658-___ SHOW
NUMBERCall Seller

2013 Ford F-350 XL Mechanic / Service Truck, 4x4, XL, Work, Construction, Handyman, Plumber, 8FT KNAPHEIDE BED, CREW CAB, Smart Hitch, Gas

Price Drop $25,900 USD

2013 Ford F350 SRW XL Utility Truck Stock: B53361, VIN:1FDRF3B69DEB53361, Year: 2013, Make: Ford, Model: F350XL, Engine:6.2L V-8 variable valve control, regular unleaded, engine with...

Condition	Used
Usage	102,213 Miles
Duty Class	Light Duty Service Truck
Bed Length	8 ft.
Horse Power	316 HP
Engine Model	Ford
Drivetrain	4x4
Transmission	6 Speed Automatic
Rear Axle	Single Axle
Rear End	6,920 lb 3.73 ratio
Stock Number	B53361
MLS Number	13139993
Category	Mechanic / Utility / Service Trucks
Last Updated	9/21/2026
Location	North East, MD, US
Sold By	Complete Recycling Group LLC

(503) 332-___ SHOW
NUMBERCall Seller

2013 Chevrolet Silverado 3500HD Mechanic / Service Truck - Automatic

Newly Listed

$16,900 USD

2013 Chevrolet Silverado 3500HD DRW Utility Work Truck - 6.0L Vortec V8 - Enclosed Service Body, Cummins Onan 5.5kW Generator, Onboard Air Compressor, Slide-Out Shelving, 1-Owner AZ Vehicle ...

Condition	Used
Usage	97,932 Miles
Drivetrain	4x2
Transmission	6 Speed Automatic
Stock Number	1GB3CZCG3DF173102
MLS Number	14607575
Category	Mechanic / Utility / Service Trucks
Last Updated	9/17/2026
Location	Tualatin, OR, US
Sold By	Family Motor Company

(503) 332-___ SHOW
NUMBERCall Seller

2009 Chevrolet Silverado 3500HD Mechanic / Service Truck - Automatic

Newly Listed

$29,900 USD

2009 Chevrolet Silverado 3500HD Dually Duramax Diesel Utility Truck - ONLY 97K MILES - 1 OWNER - PTO - ENCLOSED SERVICE BODY - READY TO WORK! If you have been searching for a clean,...

Condition	Used
Usage	97,626 Miles
Drivetrain	4x2
Transmission	6 Speed Automatic
Stock Number	1GBJC746X9F158802
MLS Number	14607459
Category	Mechanic / Utility / Service Trucks
Last Updated	9/17/2026
Location	Tualatin, OR, US
Sold By	Family Motor Company

(833) 829-___ SHOW
NUMBERCall Seller

2024 RAM 4500 Mechanic / Service Truck - Cummins, 6 Speed Automatic

Newly Listed

Contact for price

2024 RAM 2500 Tradesman Service Truck Quick Highlights:, , Engine: 6.7L Cummins Turbodiesel – Reliable and powerful for heavy-duty tasks , Transmission: Aisin 6-Speed Automatic – Ensures...

Condition	Used
Usage	71 Miles
Duty Class	Medium Duty Service Truck
Bed Length	11 ft.
Drivetrain	4x4
Transmission	6 Speed Automatic
Stock Number	4RT8016
MLS Number	14604384
Category	Mechanic / Utility / Service Trucks
Last Updated	9/15/2026
Location	Greensboro, NC, US
Sold By	Impex Heavy Metal

2018 INTERNATIONAL DURASTAR 4300 Mechanic, 10,000 pd Crane, Cummins ISB 6.7 L, Allison Auto, 325 H.P.

$76,590 USD

***** Exceptional values available until Sept 30th, 2026. ~ Pricing is subject to modification. Dealer Doc Fee: $ 290, Sales tax and licensing fees are applicable within the state of...

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	9/19/2026
Location	Midvale, UT, US
Sold By	MTS Utah, Inc.

2011 Ford F-550 XLT Mechanic / Service Truck - Auto Crane Mechanic Body

Price Drop $37,890 USD

~ Specail SAVINGS!!!~ Exceptional values available until Sept 30th. ~ Pricing is subject to modification. Dealer Doc Fee: $ 290, Sales tax and licensing fees are applicable within the...

Condition	Used
Usage	235,689 Miles
Duty Class	Medium Duty Service Truck
Upfit Type	Mechanic Body
Upfit Make	Auto Crane
Bed Length	11 ft.
Horse Power	390 HP
Engine Model	Ford Power stroke
Drivetrain	4x4
Transmission	6 Speed Automatic
Suspension	4 Spring
Rear Axle	Single Axle
Rear End	14,706 lb
Door Type	Swing
Outriggers	Yes
Winch	Yes
Stock Number	A57526
MLS Number	14389476
Category	Mechanic / Utility / Service Trucks
Last Updated	9/14/2026
Location	Midvale, UT, US
Sold By	MTS Utah, Inc.

(833) 382-___ SHOW
NUMBERCall Seller

2015 Ford F-350 Mechanic / Service Truck - Automatic

$39,995 USD

www.usaworktrucks.com 703 N PHILLIPPI ST | Boise, ID 83706 CALL / TEXT 24/7 208-375-9000 NATIONWIDE FINANCE AND DELIVERY TRUE BUSINESS ONLY FINANCE, KEEP IT OFF YOUR PERSONAL CREDIT. ...

Condition	Used
Usage	59,349 Miles
Drivetrain	4x4
Transmission	6 Speed Automatic
Stock Number	D10172
MLS Number	14505883
Category	Mechanic / Utility / Service Trucks
Last Updated	9/12/2026
Location	Boise, ID, US
Sold By	USA Work Trucks

(855) 653-___ SHOW
NUMBERCall Seller

2022 Freightliner M2 106 Mechanic / Service Truck - Cummins, 350HP, 6 Speed Allison Rds Automatic

Contact for price

2022 Freightliner M2-106 Mechanics Truck, 8.9L Cummins L9 Diesel Engine, 350 HP, Engine Brake, Allison 3000 RDS 6 Speed Automatic Transmission, 141,017 ECM Verified Miles 5,624 ECM Verified...

Condition	Used
Usage	5,624 Hours
Duty Class	Heavy Duty Service Truck
Horse Power	350 HP
Engine Model	Cummins L9
Drivetrain	4x2
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Ride
Rear Axle	Single Axle
Rear End	21,000 lb 5.22 ratio
Stock Number	T18572D
MLS Number	14588802
Category	Mechanic / Utility / Service Trucks
Last Updated	9/5/2026
Location	Denver, CO, US
Sold By	DTI Trucks

2019 Kenworth T270 Mechanic / Service Truck - Paccar, 300HP, 6 Speed Allison Rds Automatic

$99,900 USD

2019 Kenworth T270 --- Single Axle, PX7 PACCAR 300 HP, Allison Automatic 6 Speed, 5.57 Ratio, 10,000 Front Axle, 21,000 Rear Axle, 162" Wheelbase, Air Ride, Single Stage Engine Brake, Air...

Condition	Used
Usage	13,957 Hours
Duty Class	Medium Duty Service Truck
Horse Power	300 HP
Engine Model	Paccar PX7
Drivetrain	4x2
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Ride
Rear Axle	Single Axle
Rear End	21,000 lb 5.57 ratio
Stock Number	245748
MLS Number	14584272
Category	Mechanic / Utility / Service Trucks
Last Updated	9/3/2026
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

(833) 829-___ SHOW
NUMBERCall Seller

2020 Chevrolet Silverado 4500HD Mechanic / Service Truck - 6 Speed Automatic

$52,500 USD

2020 Chevrolet Silverado 4500 Service Truck Quick Highlights:, , Engine: 6.6L V8 Duramax Turbodiesel – Powerful and efficient for heavy-duty tasks , Transmission: 6-Speed Automatic – Smooth...

Condition	Used
Usage	74,533 Miles
Duty Class	Medium Duty Service Truck
Bed Length	11 ft.
Drivetrain	4x2
Transmission	6 Speed Automatic
Stock Number	4CT1616
MLS Number	14069878
Category	Mechanic / Utility / Service Trucks
Last Updated	9/3/2026
Location	Greensboro, NC, US
Sold By	Impex Heavy Metal

2013 PETERBILT 337 Mechanic Truck -14' Service Body, 10,000 IMT Crane, Hydraulic Air-Compressor, Drawer Sets, Bolt Bins & more!

$97,500 USD

~ Exceptional values available until Sept 30th, 2026. ***** Pricing is subject to modification. Dealer Doc Fee: $ 290 Sales tax and licensing fees are applicable within the state of...

Condition	Used
Duty Class	Heavy Duty Service Truck
Upfit Type	Mechanic Body
Upfit Make	IMT
Bed Length	14 ft.
Horse Power	335 HP
Engine Model	Cummins PX-9 Turbo Diesel
Drivetrain	4x2
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Leaf
Rear Axle	Single Axle
Rear End	21,000 lb 4.53 ratio
Door Type	Swing
Outriggers	Yes
Lift Capacity	10000.00 Lb
Lift Capacity	5.00 Ton
Winch	Yes
Stock Number	192727
MLS Number	14043280
Category	Mechanic / Utility / Service Trucks
Last Updated	9/14/2026
Location	Midvale, UT, US
Sold By	MTS Utah, Inc.

(541) 430-___ SHOW
NUMBERCall Seller

2025 Kenworth T380 Mechanic / Service Truck - Stellar TMAX2-14AL Service Utility Truck Body

$245,000 USD

2025 Kenworth T380, Paccar PX-9 Engine (330 hp) and Allison 6 speed Automatic Transmission with Stellar 14ft. Aluminum Service body, Stellar 12630 Remote Control Crane and Stellar 46 P Air...

Condition	Used
Usage	979 Hours
Duty Class	Heavy Duty Service Truck
Upfit Type	Service Utility Truck Body
Upfit Make	Stellar
Upfit Model	TMAX2-14AL
Bed Length	14 ft.
Horse Power	330 HP
Engine Model	Paccar PX-9
Emission Rating	LRRS
Drivetrain	4x2
Transmission	6 Speed Allison HS Automatic
Suspension	Paccar
Rear Axle	Single Axle
Rear End	21,000 lb 5.29 ratio
Door Type	Swing
Outriggers	Yes
Lift Height	31 ft
Lift Capacity	12000.00 Lb
Lift Capacity	6.00 Ton
Stock Number	T08
MLS Number	14456411
Category	Mechanic / Utility / Service Trucks
Last Updated	9/1/2026
Location	Roseburg, OR, US
Sold By	Weekly Bros Inc

2018 Kenworth T370 Conventional Day Cab, Mechanic / Service Truck. Low Miles! Only 55,000

$130,500 USD

~ Exceptional values available until week till Sept 30th,2026. ~ Pricing is subject to modification. Dealer Doc Fee: $ 290, Sales tax and licensing fees are applicable within the state of...

Condition	Used
Usage	55,566 Miles
Duty Class	Heavy Duty Service Truck
Bed Length	14 ft.
Horse Power	300 HP
Engine Model	Paccar PX-9
Drivetrain	4x2
Transmission	6 Speed Allison RDS Automatic
Suspension	Leaf Springs
Rear Axle	Single Axle
Rear End	21,000 lb 5.57 ratio
Outriggers	Yes
Max Reach	28 ft
Lift Capacity	10000.00 Lb
Lift Capacity	5.00 Ton
Winch	Yes
Stock Number	210993
MLS Number	14284707
Category	Mechanic / Utility / Service Trucks
Last Updated	9/14/2026
Location	Midvale, UT, US
Sold By	MTS Utah, Inc.

(833) 690-___ SHOW
NUMBERCall Seller

2016 Peterbilt 337 Mechanic / Service Truck - Auto Crane 11 Ft Crane Body Welder / Mechanics Body / Crane Truck Body

$89,999 USD

2016 Peterbilt 337 Mechanics Service Truck – Ready to Work Strong, reliable, and fully equipped — this 2016 Peterbilt 337 service truck is ready to go straight to work. Perfect for field...

Condition	Used
Usage	15,213 Hours
Duty Class	Heavy Duty Service Truck
Upfit Type	Welder / Mechanics Body / Crane Truck Body
Upfit Make	Auto Crane
Upfit Model	11 Ft Crane Body
Bed Length	11 ft.
Horse Power	260 HP
Engine Model	Paccar PX-9
Drivetrain	4x2
Transmission	6 Speed Manual
Suspension	Air Ride
Rear Axle	Tandem Axle
Rear End	21,000 lb
Door Type	Swing
Outriggers	Yes
Lift Height	6.6 ft
Max Reach	30 ft
Lift Capacity	8000.00 Lb
Lift Capacity	4.00 Ton
Winch	Yes
MLS Number	14404657
Category	Mechanic / Utility / Service Trucks
Last Updated	8/28/2026
Location	Salt Lake City, UT, US
Sold By	Salt Lake Truck Wash & Detail

2017 Peterbilt 337 Mechanic / Service Truck - Paccar, 350HP, 6 Speed Allison Rds Automatic

$149,900 USD

2017 Peterbilt 337 --- Single Axle, PX-9 PACCAR 350 HP, Allison Automatic 6 Speed, 5.38 Ratio, 12,000 Front Axle, 21,000 Rear Axle, 181" Wheelbase, 15' 1" Bridge, SPRING, Air Brake, Exhaust...

Condition	Used
Usage	7,294 Hours
Duty Class	Heavy Duty Service Truck
Horse Power	350 HP
Engine Model	Paccar PX9
Drivetrain	4x2
Transmission	6 Speed Allison RDS Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	21,000 lb 5.38 ratio
Stock Number	409289
MLS Number	14541158
Category	Mechanic / Utility / Service Trucks
Last Updated	8/20/2026
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

2017 Kenworth T370 Mechanic / Service Truck - Paccar, 300HP, 6 Speed Allison Rds Automatic

$119,900 USD

2017 Kenworth T370 --- Single Axle, PX9 Paccar 300 HP, Allison Automatic 6 Speed, 5.57 Ratio, 12,000 Front Axle, 21,000 Rear Axle, 151" Wheelbase, 12' 7" Bridge, Spring, Air Brake, Exhaust...

Condition	Used
Usage	238,493 Miles
Duty Class	Heavy Duty Service Truck
Horse Power	300 HP
Engine Model	Paccar PX9
Drivetrain	4x2
Transmission	6 Speed Allison RDS Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	21,000 lb 5.57 ratio
Stock Number	152494
MLS Number	14408562
Category	Mechanic / Utility / Service Trucks
Last Updated	8/13/2026
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

(844) 982-___ SHOW
NUMBERCall Seller

2017 RAM 5500HD, 11' ENCLOSED HI-TOP SERVICE / MECHANIC BODY, MATERIAL CRANE, CUMMINS POWER WITH LOW MILES

$32,995 USD

FOR SALE: 2017 RAM 5500HD ENCLOSED SERVICE / MECHANIC TRUCK – 11' HI-TOP BODY – AUTO CRANE – CUMMINS DIESEL – LOW MILES, Offered for sale is a 2017 RAM 5500HD service and mechanic truck...

Condition	Used
Usage	97,384 Miles
Duty Class	Medium Duty Service Truck
Upfit Type	Service Utility Truck Body
Upfit Make	Adkins
Upfit Model	132-94-T74
Bed Length	11 ft.
Horse Power	325 HP
Engine Model	Cummins ISB
Drivetrain	4x2
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	13,500 lb
Door Type	Swing
Lift Height	10.5 ft
Max Reach	7 ft
Lift Capacity	2000.00 Lb
Stock Number	728105
MLS Number	14292794
Category	Mechanic / Utility / Service Trucks
Last Updated	8/10/2026
Location	Miami, FL, US
Sold By	Truck and Van Outlet

(833) 801-___ SHOW
NUMBERCall Seller

2006 Ford F-650 Mechanic / Service Truck - Cummins, 240HP

$15,000 USD

clean, IMT 2015 CRANE, hydraulic brakes, *BED HAS RUST/ TRUCK HAS SET FOR A LONG TIME AND WILL NOT START/ SELLS AS-IS,

Condition	Used
Usage	203,803 Miles
Duty Class	Medium Duty Service Truck
Horse Power	240 HP
Engine Model	Cummins ISB
Drivetrain	4x2
Transmission	6 Speed
Suspension	Spring
Stock Number	06F650203SER
MLS Number	11682213
Category	Mechanic / Utility / Service Trucks
Last Updated	8/7/2026
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

(844) 257-___ SHOW
NUMBERCall Seller

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

$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,...

Quantity	2
Condition	Used
Duty Class	Heavy Duty Service Truck
Bed Length	12 ft.
Horse Power	260 HP
Engine Model	Cummins ISB
Drivetrain	4x2
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Ride
Rear Axle	Single Axle
Rear End	20,000 lb
Stock Number	9736
MLS Number	14479081
Category	Mechanic / Utility / Service Trucks
Last Updated	7/14/2026
Location	Robstown, TX, US
Sold By	J&B Pavelka, Inc.

(844) 982-___ SHOW
NUMBERCall Seller

2019 Ford F-450SD 9' UTILITY BODY, POWERSTROKE DIESEL, VERMEER B450 BACKHOE ATTACHMENT

$29,995 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...

Condition	Used
Usage	4,307 Hours
Duty Class	Medium Duty Service Truck
Upfit Type	Backhoe
Upfit Make	Vermeer
Upfit Model	B450
Bed Length	9 ft.
Horse Power	330 HP
Engine Model	Ford Powerstroke
Drivetrain	4x2
Transmission	6 Speed Automatic
Rear Axle	Single Axle
Rear End	12,880 lb
Stock Number	A19364
MLS Number	13950023
Category	Mechanic / Utility / Service Trucks
Last Updated	7/11/2026
Location	Miami, FL, US
Sold By	Truck and Van Outlet