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

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Featured Item

2011 Ford F-250 Extended Cab Mechanic / Service Truck, 4WD, Plumber, Construction, Handyman, Electrician, Diesel 8FT Bed

$35,900 USD

2011 Ford F250, Stock: A31016 VIN:1FT7X2BTXBEA31016, Year: 2011 Make: Ford Model: F250 Lariat Engine:Powerstroke 6.7L V-8 diesel direct injection, intercooled turbo, diesel, engine with...

Condition	Used
Usage	22,998 Miles
Duty Class	Light Duty Service Truck
Bed Length	8 ft.
Horse Power	400 HP
Engine Model	Ford
Drivetrain	4x4
Transmission	6 Speed Automatic
Rear Axle	Single Axle
Rear End	6,200 lb 3.31 ratio
Stock Number	A31016
MLS Number	13701398
Category	Mechanic / Utility / Service Trucks
Last Updated	1/23/2026
Location	Elkton, MD, US
Sold By	Complete Recycling Group LLC

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Featured Item

2011 Ford F-350 Extended Cab Mechanic / Service Truck, 4x4, Tow Hitch, Reading Bed, Utility, Diesel, Low Miles, Construction, Handyman

$29,999 USD

2011 Ford F350XL Utility , Stock: A31175, VIN:1FT8X3BT5BEA31175, Year:2011, Make: Ford, Model: F350XL, Engine:Powerstroke 6.7L V-8 diesel direct injection, intercooled turbo, diesel,...

Condition	Used
Usage	89,811 Miles
Duty Class	Light Duty Service Truck
Horse Power	400 HP
Engine Model	Ford
Drivetrain	4x4
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	7,280 lb 3.55 ratio
Stock Number	A31175
MLS Number	13316245
Category	Mechanic / Utility / Service Trucks
Last Updated	1/23/2026
Location	Elkton, MD, US
Sold By	Complete Recycling Group LLC

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Featured Item

2021 RAM 5500HD CREW CAB Mechanic / Service Truck, 4WD Service Truck, Plumber, Construction, Handyman, Electrician, Diesel 9FT Bed

$59,999 USD

2021 Ram 5500 Utility Stock: 546633 VIN:3C7WRNELXMG546633 Year:2021 Make: Ram Model: 5500 Engine:Cummins 6.7L I-6 diesel direct injection, VVT intercooled turbo, diesel, engine with 360HP,...

Condition	Used
Usage	58,243 Miles
Duty Class	Medium Duty Service Truck
Horse Power	360 HP
Engine Model	Cummins
Drivetrain	4x4
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	13,500 lb 4.44 ratio
Stock Number	546633
MLS Number	13880143
Category	Mechanic / Utility / Service Trucks
Last Updated	1/23/2026
Location	Elkton, MD, US
Sold By	Complete Recycling Group LLC

(844) 305-___ SHOW
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2015 Kenworth T370 Mechanic / Service Truck - Paccar, 300HP, 6 Speed Allison Rds Automatic

Newly Listed

$109,900 USD

Single Axle, 14' Knapheide Service Body, Stellar 7621 Crane (7,500 Capacity), VANAIR Compressor, Hydraulic Outriggers, Power Inverter, (14) 27" Drawers, (21) 18" Drawers, Air Reel, Acetylene...

Condition	Used
Usage	10,754 Hours
Duty Class	Heavy Duty Service Truck
Bed Length	14 ft.
Horse Power	300 HP
Engine Model	Paccar PX9
Transmission	6 Speed Allison RDS Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	21,000 lb 5.57 ratio
Stock Number	FM425085
MLS Number	14109080
Category	Mechanic / Utility / Service Trucks
Last Updated	1/24/2026
Location	Chatham, VA, US
Sold By	J&J Truck Sales

(844) 305-___ SHOW
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2015 Kenworth T370 Mechanic / Service Truck - Paccar, 300HP, 6 Speed Allison Rds Automatic

Newly Listed

$109,900 USD

Single Axle, 14' Knapheide Service Body, 6406H AutoCrane w/Wired Remote (6,400 Capacity), VANAIR Compressor, Hydraulic Outriggers, Power Inverter, Air Reel, Acetylene/Oxygen Reels, (14) 26"...

Condition	Used
Usage	8,731 Hours
Duty Class	Heavy Duty Service Truck
Bed Length	14 ft.
Horse Power	300 HP
Engine Model	Paccar PX9
Transmission	6 Speed Allison RDS Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	21,000 lb 5.57 ratio
Stock Number	FM437114
MLS Number	14109068
Category	Mechanic / Utility / Service Trucks
Last Updated	1/24/2026
Location	Chatham, VA, US
Sold By	J&J Truck Sales

(844) 305-___ SHOW
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2016 Kenworth T370 Mechanic / Service Truck - Paccar, 300HP, 6 Speed Allison Rds Automatic

Newly Listed

$117,900 USD

Single Axle, 14' Service Body, Stellar 7621 Crane (7,500 Capacity), Hydraulic Outriggers, American Eagle 30R Compressor, Power Inverter, (7) 28" Drawers, (7) 16" Drawers, (7) 14" Drawers,...

Condition	Used
Usage	10,044 Hours
Duty Class	Heavy Duty Service Truck
Bed Length	14 ft.
Horse Power	300 HP
Engine Model	Paccar PX9
Transmission	6 Speed Allison RDS Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	21,000 lb 5.57 ratio
Stock Number	GM124085
MLS Number	14109054
Category	Mechanic / Utility / Service Trucks
Last Updated	1/24/2026
Location	Chatham, VA, US
Sold By	J&J Truck Sales

(724) 243-___ SHOW
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2016 Freightliner M2 106 Mechanic / Service Truck - Cummins, 240HP, 6 Speed Allison Rds Automatic

Price Drop $69,900 USD

Ready to work service truck!, QT Equip 13FT 6 Body, 2015IMT 8600-22 3 Section Crane, Miller EnPack, 60 CFM AC,

Condition	Used
Usage	248,650 Miles
Duty Class	Medium Duty Service Truck
Horse Power	240 HP
Engine Model	Cummins B6.7
Drivetrain	4x2
Transmission	6 Speed Allison RDS Automatic
Rear Axle	Single Axle
Rear End	17,500 lb 5.88 ratio
Stock Number	279826
MLS Number	13900038
Category	Mechanic / Utility / Service Trucks
Last Updated	1/24/2026
Location	Smithfield, PA, US
Sold By	Hunter Truck

(844) 882-___ SHOW
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2019 Ford F550 SD XL Mechanic / Service Truck - 6.7L POWER STROKE, 330HP, 6 Speed Automatic

Recently Updated

$63,977 USD

2019 Ford F-550 XL SD 4x2 11' x 94" Single-Axle Service / Utility Mechanic's Truck, Ford Power-Stroke 6.7L @ 330 H.P., 6-Speed Automatic O/D Transmission, 4.10 Ratio, 169" W.B., Spring...

Condition	Used
Usage	127,587 Miles
Duty Class	Medium Duty Service Truck
Bed Length	11 ft.
Horse Power	330 HP
Engine Model	Ford 6.7L POWER STROKE
Drivetrain	4x2
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	14,706 lb 4.10 ratio
Stock Number	4219
MLS Number	13314584
Category	Mechanic / Utility / Service Trucks
Last Updated	1/24/2026
Location	Phoenix, AZ, US
Sold By	American Truck Sales & Salvage

(844) 445-___ SHOW
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2012 Freightliner M2106 Mechanic / Service Truck, LOW MILES 45K!!!

Recently Updated

$69,500 USD

This 2012 Freightliner M2 106 comes with Cummins ISB 6.7 L and an Allison Automatic transmission, Diff lock DPF/DEF. Aluminum Fuel tank. Like new steer tires.11R22.5 and 60% on the rear....

Condition	Used
Usage	6,083 Hours
Duty Class	Heavy Duty Service Truck
Bed Length	14 ft.
Engine Model	Cummins ISB
Drivetrain	4x2
Transmission	6 Speed Allison RDS Automatic
Suspension	4 Spring
Rear Axle	Single Axle
Rear End	21,000 lb 5.38 ratio
Door Type	Swing
Stock Number	BP4334
MLS Number	13853593
Category	Mechanic / Utility / Service Trucks
Last Updated	1/23/2026
Location	Midvale, UT, US
Sold By	MTS Utah, Inc.

(844) 476-___ SHOW
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2019 RAM 5500 Mechanic / Service Truck - Cummins, 330HP

Price Drop $81,500 USD

2019 RAM 5500 4x4, 119,078 Miles, 19,500 Lbs. GVWR, 7,250 Lbs. FAWR, 13,500 Lbs. RAWR, Cummins 6.7L Engine, 360 Horsepower, Automatic Transmission 2020 IMT 6000 Service Crane, 6,000 Lbs....

Condition	Used
Usage	119,078 Miles
Horse Power	330 HP
Engine Model	Cummins 6.7L D
Drivetrain	4x4
Transmission	6 Speed
Suspension	Spring
Rear End	13,500 lb
Stock Number	KG646266
MLS Number	13105835
Category	Mechanic / Utility / Service Trucks
Last Updated	1/23/2026
Location	Oklahoma City, OK, US
Sold By	Custom Truck One Source

(855) 699-___ SHOW
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2019 RAM 5500 Mechanic / Service Truck - Cummins, 325HP

Newly Listed

$85,500 USD

2019 RAM 5500 4x4, 180,379 Miles, 7,250 Lbs. FAWR, 13,500 Lbs. RAWR, 19,500 Lbs. GVWR, 6.7L Cummins Engine, 360 Horsepower, Automatic Transmission 2016 IMT DOM1SIII Service Body, IMT 7500-22...

Condition	Used
Horse Power	325 HP
Engine Model	Cummins 6.7L D
Drivetrain	4x4
Transmission	6 Speed
Suspension	Spring
Rear End	14,706 lb
Stock Number	KG621440
MLS Number	14106451
Category	Mechanic / Utility / Service Trucks
Last Updated	1/23/2026
Location	Houston, TX, US
Sold By	Custom Truck One Source

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2019 RAM 5500 Mechanic / Service Truck - Cummins, 325HP

Newly Listed

$79,500 USD

2019 RAM 5500 4x4, 211,675 Miles, 7,250 Lbs. FAWR, 13,500 Lbs. RAWR, 19,500 Lbs. GVWR, 6.7L Cummins Engine, 360 Horsepower, Automatic Transmission 2015 IMT DOM1SIII Service Body, IMT 7500-22...

Condition	Used
Horse Power	325 HP
Engine Model	Cummins 6.7L D
Drivetrain	4x4
Transmission	6 Speed
Suspension	Spring
Rear End	13,500 lb
Stock Number	KG621439
MLS Number	14106450
Category	Mechanic / Utility / Service Trucks
Last Updated	1/23/2026
Location	Houston, TX, US
Sold By	Custom Truck One Source

(855) 653-___ SHOW
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2018 Kenworth T370 Mechanic / Service Truck - Cummins, 350HP, 6 Speed Allison Rds Automatic

Newly Listed

$159,500 USD

2018 Kenworth T370 Mechanics Truck, Paccar PX9 8.9L Turbo Diesel Engine, 350 HP, Engine Brake, Allison 6 Speed Automatic Transmission, 171,529 ECM Verified Miles 6,554 ECM Verified Engine...

Condition	Used
Usage	6,554 Hours
Duty Class	Heavy Duty Service Truck
Horse Power	350 HP
Engine Model	Cummins ISL
Drivetrain	4x2
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Ride
Rear Axle	Single Axle
Rear End	21,000 lb 5.29 ratio
Stock Number	T17884D
MLS Number	14105541
Category	Mechanic / Utility / Service Trucks
Last Updated	1/22/2026
Location	Denver, CO, US
Sold By	DTI Trucks

2023 Ford F-250 Mechanic / Service Truck - 6.8L TRITON V10, 362HP, 6 Speed Automatic

Price Drop $59,500 USD

2023 Ford F250XL Service/Utility Truck, 6.8L V8 Engine, 10 Speed Automatic Torqshift Transmission, 10,000 GVWR, 4,800 lbs Front Axle, 6,340 Rear Axle, Four Wheel Drive (4X4), Auto Transfer...

Condition	Used
Usage	21,393 Miles
Duty Class	Light Duty Service Truck
Horse Power	362 HP
Engine Model	Ford 6.8L TRITON V10
Drivetrain	4x4
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	6,340 lb
Stock Number	T17371M
MLS Number	13985379
Category	Mechanic / Utility / Service Trucks
Last Updated	1/22/2026
Location	Wheat Ridge, CO, US
Sold By	DTI Trucks

2023 Chevrolet Silverado 3500 Mechanic / Service Truck - 400HP, 6 Speed Automatic

Recently Updated

$58,500 USD

023 Chevrolet 3500HD Service/Utility Truck, Gas, 4x4 Powertrain Chassis: 5604 miles 6.6L V8 with 400HP/464lbs-ft Torque 6 Speed Automatic Transmission | 4x4 Hydraulic Brakes, Spring...

Condition	Used
Usage	5,604 Miles
Duty Class	Light Duty Service Truck
Bed Length	8 ft.
Horse Power	400 HP
Drivetrain	4x4
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	7,250 lb
Stock Number	T17704M
MLS Number	13951241
Category	Mechanic / Utility / Service Trucks
Last Updated	1/22/2026
Location	Wheat Ridge, CO, US
Sold By	DTI Trucks

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

Price Drop $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...

Condition	Used
Usage	37,908 Miles
Duty Class	Light Duty Service Truck
Horse Power	350 HP
Drivetrain	4x4
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	6,780 lb
Stock Number	T17050M
MLS Number	13409789
Category	Mechanic / Utility / Service Trucks
Last Updated	1/22/2026
Location	Wheat Ridge, CO, US
Sold By	DTI Trucks

(844) 445-___ SHOW
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2008 Chevrolet Silverado Mechanic / Service Truck

Newly Listed

$12,750 USD

Here is a 2008 Chevy 2500HD, 6.0 L V-8 CYL Gas, Automatic transmission, 4X4, Power Steeting, AM/FM radio, with an enclosed service body, 4 drawer box, Lader rack, AM/FM radio, Spare tire,...

Condition	Used
Usage	155,046 Miles
Duty Class	Light Duty Service Truck
Bed Length	9 ft.
Horse Power	364 HP
Engine Model	Chevy LY6
Drivetrain	4x4
Transmission	6 Speed Automatic
Suspension	4 Spring
Rear Axle	Single Axle
Rear End	6,084 lb
Door Type	Swing
Stock Number	161160
MLS Number	14103576
Category	Mechanic / Utility / Service Trucks
Last Updated	1/22/2026
Location	Midvale, UT, US
Sold By	MTS Utah, Inc.

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2022 Chevrolet Silverado 5500HD Mechanic / Service Truck - Duramax, 350HP, 6 Speed Automatic

Recently Updated

Contact for price

2022 Chevrolet 5500 HD 4X4 Mechanics Trucks, 6.6L Duramax Diesel Engine, 350 HP, Exhaust Brake, Allison 6 Speed Automatic Transmission, Only 40,934 Miles ONLY 2,608 Engine Hours, 19.5K GVWR...

Condition	Used
Usage	2,608 Hours
Duty Class	Medium Duty Service Truck
Horse Power	350 HP
Engine Model	Duramax L5P 6.6L V8
Drivetrain	4x4
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	15,000 lb
Stock Number	T17990D
MLS Number	14059504
Category	Mechanic / Utility / Service Trucks
Last Updated	1/20/2026
Location	Denver, CO, US
Sold By	DTI Trucks

(844) 982-___ SHOW
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2019 Ford F-350 Super Duty 9' Knapheide 6108D54-S Service Utility Truck Body, Crew Cab, Diesel

Price Drop $39,995 USD

FOR SALE: 2019 FORD F-350 SUPER DUTY – 9’ KNAPHEIDE SERVICE UTILITY TRUCK (CREW CAB 4X4, DIESEL), The 2019 Ford F-350 Super Duty Crew Cab is a powerful and versatile service truck built to...

Condition	Used
Usage	7,025 Hours
Duty Class	Light Duty Service Truck
Upfit Type	Service Utility Truck Body
Upfit Make	Knapheide
Upfit Model	6108D54-2
Bed Length	9 ft.
Horse Power	330 HP
Engine Model	Ford POWERSTROKE
Drivetrain	4x4
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	10,040 lb
Stock Number	F96442
MLS Number	13964522
Category	Mechanic / Utility / Service Trucks
Last Updated	1/16/2026
Location	Miami, FL, US
Sold By	Truck and Van Outlet

(844) 982-___ SHOW
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2019 Ford F-550 11' Service Body w/ 6,000 lbs. Auto Crane HC6 Welder / Hydraulic Compressor

Price Drop $82,995 USD

For Sale: 2019 Ford F-550 Super Duty Mechanic Truck with Crane – Auto Crane HC-6, Welder, and Air Compressor This 2019 Ford F-550 Super Duty is a fully equipped mechanic’s service truck,...

Condition	Used
Usage	7,484 Hours
Duty Class	Medium Duty Service Truck
Upfit Type	Welder / Mechanics Body / Crane Truck Body
Upfit Make	Auto Crane
Upfit Model	HC-6
Bed Length	11 ft.
Horse Power	330 HP
Engine Model	Ford 6.7L POWER STROKE
Drivetrain	4x2
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	14,706 lb 4.88 ratio
Outriggers	Yes
Max Reach	20.5 ft
Lift Capacity	6000.00 Lb
Stock Number	F06324A
MLS Number	13584300
Category	Mechanic / Utility / Service Trucks
Last Updated	1/16/2026
Location	Miami, FL, US
Sold By	Truck and Van Outlet

(844) 982-___ SHOW
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2026 Peterbilt 536 / Summit 10620 Crane / 10k lbs. / Welder / Compressor / NON-CDL

Price Drop $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,...

Condition	Used
Usage	284 Miles
Duty Class	Medium Duty Service Truck
Upfit Type	Welder / Mechanics Body / Crane Truck Body
Upfit Make	SUMMIT TRUCK BODIES
Upfit Model	10620
Bed Length	13 ft.
Horse Power	260 HP
Engine Model	Paccar PX7
Drivetrain	4x2
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Ride
Rear Axle	Single Axle
Rear End	18,000 lb
Outriggers	Yes
Max Reach	20.9 ft
Lift Capacity	10000.00 Lb
Stock Number	785351A
MLS Number	13807644
Category	Mechanic / Utility / Service Trucks
Last Updated	1/16/2026
Location	Miami, FL, US
Sold By	Truck and Van Outlet

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

Price Drop $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:...

Condition	Used
Usage	56,263 Miles
Duty Class	Light Duty Service Truck
Horse Power	410 HP
Drivetrain	4x4
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	9,850 lb
Stock Number	T17535M
MLS Number	14094846
Category	Mechanic / Utility / Service Trucks
Last Updated	1/22/2026
Location	Wheat Ridge, CO, US
Sold By	DTI Trucks

(724) 243-___ SHOW
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2018 Kenworth T270 Mechanic / Service Truck - Cummins, 300HP, 6 Speed Allison Rds Automatic

Price Drop $89,900 USD

Ready to work mechanic's truck!, DOT'd PM'd, Freshly detailed!, Cummins power and Allison Transmission!!,

Condition	Used
Usage	8,181 Hours
Duty Class	Medium Duty Service Truck
Horse Power	300 HP
Engine Model	Cummins B6.7
Drivetrain	4x2
Transmission	6 Speed Allison RDS Automatic
Suspension	Spring
Rear Axle	Single Axle
Stock Number	285164
MLS Number	14068012
Category	Mechanic / Utility / Service Trucks
Last Updated	1/22/2026
Location	Smithfield, PA, US
Sold By	Hunter Truck

(844) 714-___ SHOW
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2018 Kenworth T370 Mechanic / Service Truck - Paccar, 300HP, 6 Speed Allison Rds Automatic

Price Drop $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...

Condition	Used
Usage	9,645 Hours
Duty Class	Heavy Duty Service Truck
Bed Length	14 ft.
Horse Power	300 HP
Engine Model	Paccar PX9
Transmission	6 Speed Allison RDS Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	21,000 lb 5.57 ratio
Stock Number	6923
MLS Number	13916478
Category	Mechanic / Utility / Service Trucks
Last Updated	1/16/2026
Location	Boise, ID, US
Sold By	Diesel Depot