Diesel 6 Speed Mechanic / Utility / Service Trucks For Sale

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Featured Item

2016 Ford F-450 Crew Cab Mechanic / Service Truck, Flatbed Handyman, Diesel, 4x4, Construction, Roofing, Roofer, Plumber, 9Ft Bed, 20FT Ladder Rack

Price Drop $39,999 USD

2016 Ford F450 Flatbed with Ladder Racks , Stock: A66126 VIN:1FD0W4HT2GEA66126 Year:2016 Make: Ford Model: F450 Engine:Powerstroke 6.7L V-8 diesel direct injection, intercooled turbo...

Condition	Used
Usage	54,587 Miles
Duty Class	Medium Duty Service Truck
Bed Length	9 ft.
Horse Power	440 HP
Engine Model	Ford
Drivetrain	4x4
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	12,000 lb 4.30 ratio
Stock Number	A66126
MLS Number	14047461
Category	Mechanic / Utility / Service Trucks
Last Updated	4/22/2026
Location	Elkton, MD, US
Sold By	Complete Recycling Group LLC

(844) 954-___ SHOW
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2024 RAM 5500 Mechanic / Service Truck - Cummins, 360HP, 6 Speed Automatic

Contact for price

2024 RAM 5500 HD RG182174, Engine: CUMMINS, Transmission: Automatic, Horsepower: 360.0 Key Features:, , BoxCar Pro 55 by Service Truck Depot, , Curb side reinforced crane box rated at 55,000...

Condition	New
Usage	18 Miles
Duty Class	Medium Duty Service Truck
Horse Power	360 HP
Drivetrain	4x4
Transmission	6 Speed Automatic
Rear Axle	Single Axle
Stock Number	RG182174
MLS Number	13642469
Category	Mechanic / Utility / Service Trucks
Last Updated	4/9/2026
Location	Fairfield, TX, US
Sold By	Service Truck Depot

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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	4/22/2026
Location	Elkton, MD, US
Sold By	Complete Recycling Group LLC

(844) 982-___ SHOW
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2017 Ford F-550 11' Mechanic/Service Body with Stellar 7621 7,000 lbs. Crane

Recently Updated

$58,995 USD

For Sale:, 2017 Ford F-550 Super Duty Utility Truck with Knapheide mechanic body and Stellar 7621 telescopic crane, purpose-built for heavy-duty field service, equipment repair, and mobile...

Condition	Used
Usage	190,396 Miles
Duty Class	Medium Duty Service Truck
Upfit Type	Welder / Mechanics Body / Crane Truck Body
Upfit Make	Stellar
Upfit Model	7621
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
Outriggers	Yes
Lift Height	23 ft
Max Reach	21 ft
Lift Capacity	7000.00 Lb
Stock Number	B18903
MLS Number	13751221
Category	Mechanic / Utility / Service Trucks
Last Updated	4/22/2026
Location	Miami, FL, US
Sold By	Truck and Van Outlet

(954) 523-___ SHOW
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2025 Kenworth T380 Mechanic / Service Truck - Paccar, 325HP, 6 Speed Allison Rds Automatic

Recently Updated

$229,995 USD

Manager's Special: Priced $19,204 less than the average market price. Model Year: 2025, Model: T380, Engine: PACCAR PX-7, 325 HP @ 2400 RPM, 750 lb-ft Torque @ 1600 RPM, Engine Brake,...

Condition	New
Usage	1,510 Miles
Duty Class	Heavy Duty Service Truck
Bed Length	14 ft.
Horse Power	325 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 6.17 ratio
Stock Number	KN180809
MLS Number	13703382
Category	Mechanic / Utility / Service Trucks
Last Updated	4/21/2026
Location	Fort Lauderdale, FL, US
Sold By	All Roads Trucks

(855) 984-___ SHOW
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2025 Kenworth T380 Mechanic / Service Truck - Paccar, 325HP, 6 Speed Allison Rds Automatic

Recently Updated

$229,995 USD

Manager's Special: Priced $19,204 less than the average market price. Transfer this unit to your nearest Maryland/Delaware location at no additional cost – Baltimore, Bel Air, Dover,...

Condition	New
Usage	960 Miles
Duty Class	Heavy Duty Service Truck
Bed Length	14 ft.
Horse Power	325 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 6.17 ratio
Stock Number	KN180808
MLS Number	13703381
Category	Mechanic / Utility / Service Trucks
Last Updated	4/21/2026
Location	Westminster, MD, US
Sold By	All Roads Trucks

(833) 780-___ SHOW
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2019 Ford F-550 Mechanic / Service Truck - 440HP, 6 Speed Automatic

Recently Updated

$68,900 USD

Very nice 4 wheel drive Ford F550 mechanics truck 3,000 lb Autocrane, Vanair compressor, welder. Two Product tanks, waste tank and reels. Battery jumping station. NOT ACTUAL PHOTOGRAPH ...

Condition	Used
Usage	179,000 Miles
Duty Class	Medium Duty Service Truck
Horse Power	440 HP
Engine Model	Ford 6.7L POWER STROKE
Drivetrain	4x4
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Stock Number	E91831
MLS Number	13660166
Category	Mechanic / Utility / Service Trucks
Last Updated	4/18/2026
Location	West Valley City, UT, US
Sold By	Utah Tank & Trailer

(844) 231-___ SHOW
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2024 RAM 5500 Tradesman Mechanic / Service Truck - 6 Speed Automatic

Recently Updated

$165,995 USD

New 2024 Ram 5500 Reg Cab 4x4 Diesel Tradesman with an 11' Knapheide KMT1 Mechanics Body with Stellar 8630 8K Crane work truck for sale. The sale price includes the mechanics truck body and...

Condition	New
Usage	47 Miles
Duty Class	Medium Duty Service Truck
Transmission	6 Speed Automatic
Stock Number	ADRB240988
MLS Number	13599440
Category	Mechanic / Utility / Service Trucks
Last Updated	4/19/2026
Location	Avondale, AZ, US
Sold By	Larry H. Miller Ford - Mesa

(844) 445-___ SHOW
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2015 FORD F550 SD XL Mechanic / Flatbed, Storage Comartments, Under Body Compartments, Knuckle-Boom Crane.

Recently Updated

$23,970 USD

~ Blow-out Sale, Cash Price ~ Deal Ends April 10th 2026 NICE BUY!This is a 2015 Ford F550 comes with a service body and a Power Stroke 6.7 L. motor, and a 6-speed automatic transmission,...

Condition	Used
Usage	226,677 Miles
Duty Class	Medium Duty Service Truck
Bed Length	11 ft.
Horse Power	440 HP
Engine Model	Ford Power Stroke
Drivetrain	4x2
Transmission	6 Speed Automatic
Suspension	4 Spring
Rear Axle	Single Axle
Rear End	14,706 lb 4.88 ratio
Door Type	Swing
Outriggers	Yes
Max Reach	16 ft
Lift Capacity	4026.00 Lb
Lift Capacity	2.00 Ton
Stock Number	A35809
MLS Number	13721313
Category	Mechanic / Utility / Service Trucks
Last Updated	4/17/2026
Location	Midvale, UT, US
Sold By	MTS Utah, Inc.

(833) 801-___ SHOW
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2011 Freightliner M2 106 Mechanic / Service Truck - Cummins, 250HP, 6 Speed Manual

Newly Listed

$27,000 USD

NICE TRUCK, RUNS EXCELLENT, WELL MAINTAINED, 15 FT IMT TOOL BODY, IMT 3816 CRANE WITH REMOTE, BOSS 440 HYDRAULIC AIR COMPRESSOR, AIR HOSE REEL!,

Condition	Used
Usage	304,644 Miles
Duty Class	Medium Duty Service Truck
Horse Power	250 HP
Engine Model	Cummins ISB
Drivetrain	4x2
Transmission	6 Speed Manual
Suspension	Spring
Rear Axle	Single Axle
Rear End	19,000 lb 4.30 ratio
Stock Number	11M2304SER
MLS Number	14317785
Category	Mechanic / Utility / Service Trucks
Last Updated	4/17/2026
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

(855) 278-___ SHOW
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2013 RAM 4500 Mechanic / Service Truck - Cummins, 320HP, 6 Speed Automatic

Price Drop $19,900 USD

2013 Ram 4500 Flatbed Contractor/ Contractor body, Cummins Diesel 6.7 320hp / 650 lb torque, Automatic, 160,238 miles, 16k gvw, 7,609 curb weight, Receiver hitch, Tool boxes, Lumber /...

Condition	Used
Usage	160,238 Miles
Duty Class	Medium Duty Service Truck
Bed Length	11 ft.
Horse Power	320 HP
Drivetrain	4x2
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	12,000 lb
Stock Number	34384
MLS Number	14287401
Category	Mechanic / Utility / Service Trucks
Last Updated	4/17/2026
Location	Signal Hill, CA, US
Sold By	Pacific Trux

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2021 RAM 5500 Mechanic / Service Truck - Cummins, 370HP

Price Drop $104,500 USD

2021 Dodge Ram 5500 4x4, 155,015 Miles, 19,500 Lbs. GVWR, 7,250 Lbs. FAWR, 13,500 Lbs. RAWR, Cummins 6.7L Engine, 360 Horsepower, Automatic Transmission 2021 Knapheide Service Body, Stellar...

Condition	Used
Usage	155,015 Miles
Horse Power	370 HP
Engine Model	Cummins 6.7L D
Drivetrain	4x4
Transmission	6 Speed
Suspension	Spring
Rear End	13,500 lb
Stock Number	MG662317
MLS Number	13355842
Category	Mechanic / Utility / Service Trucks
Last Updated	4/21/2026
Location	Kansas City, MO, US
Sold By	Custom Truck One Source

2017 Ford F-450 Mechanic / Service Truck - Powerstroke

Recently Updated

At auction

2017 Ford F450 Powerstroke Service Truck. 6.7L Powerstroke Diesel, 164,985 Miles 6R140 6 Speed Automatic Overdrive Transmission, 16,000 L.B. GVWR, 4.10 Gear Ratio, 169" W.B. 225/70R19.5...

Condition	Used
Usage	164,985 Miles
Horse Power	0 HP
Engine Model	Powerstroke V8 6.7L
Transmission	6 Speed
Suspension	Spring
Rear End	12,000 lb
Stock Number	HEC19221
MLS Number	14232917
Category	Mechanic / Utility / Service Trucks
Last Updated	4/18/2026
Location	Kansas City, MO, US
Listed By	Custom Truck One Source

2013 Freightliner M2 106 Mechanic / Service Truck - Cummins, 350HP

Recently Updated

$41,500 USD

153,321 Miles, Cummins ISC 350 HP, Allison 3000 RDS, 12,000 Lb. FAWR, 20,280 Lb. RAWR, 32,280 Lb. GVWR Knapheide Enclosed Service Body, Inner Tool Shelving, Master Lock System, Tommy Gate...

Condition	Used
Usage	153,321 Miles
Horse Power	350 HP
Engine Model	Cummins ISC D
Drivetrain	4x2
Transmission	6 Speed
Suspension	Spring
Stock Number	DHBZ0360
MLS Number	13976104
Category	Mechanic / Utility / Service Trucks
Last Updated	4/21/2026
Location	Kansas City, MO, US
Sold By	Custom Truck One Source

2024 RAM 5500 Mechanic / Service Truck - Cummins, 370HP

$109,673 USD

The RAM 5500 4x4 Crew Cab Flatbed Manhauler Truck is built for durability and efficiency on demanding job sites. Powered by a 370 HP diesel engine with a 6-speed automatic transmission, it...

Condition	New
Horse Power	370 HP
Engine Model	Cummins 6.7L D
Drivetrain	4x4
Transmission	6 Speed
Suspension	Spring
Rear End	13,500 lb
Stock Number	RG152329
MLS Number	12592294
Category	Mechanic / Utility / Service Trucks
Last Updated	4/17/2026
Location	St Paul, MN, US
Sold By	Custom Truck One Source

2024 RAM 5500 Mechanic / Service Truck - Cummins, 370HP

$109,673 USD

The RAM 5500 4x4 Crew Cab Flatbed Manhauler Truck is built for durability and efficiency on demanding job sites. Powered by a 370 HP diesel engine with a 6-speed automatic transmission, it...

Condition	New
Horse Power	370 HP
Engine Model	Cummins 6.7L D
Drivetrain	4x4
Transmission	6 Speed
Suspension	Spring
Rear End	13,500 lb
Stock Number	RG137530
MLS Number	13634623
Category	Mechanic / Utility / Service Trucks
Last Updated	4/17/2026
Location	St Paul, MN, US
Sold By	Custom Truck One Source

2018 Ford F-550 Mechanic / Service Truck - 6.7L D, 330HP

$84,500 USD

2018 Ford F-550 4x4, 140,517 Miles, Ford 6.7L Power Stroke, Automatic, 7000 Lb. FAWR, 14,706 Lb. RAWR, 19,500 Lb. GVWR; 2019 Load King Voyager I Service Body, Swing-Out Doors, 2019 Auto...

Condition	Used
Usage	140,517 Miles
Horse Power	330 HP
Engine Model	Ford 6.7L D
Drivetrain	4x4
Transmission	6 Speed
Suspension	Spring
Rear End	14,706 lb
Stock Number	JDA02602
MLS Number	13414221
Category	Mechanic / Utility / Service Trucks
Last Updated	4/14/2026
Location	Cinnaminson, NJ, US
Sold By	Custom Truck One Source

(844) 982-___ SHOW
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2001 2015 HINO 195 EQUIPPED W/ 13' READING SERVICE / MECHANIC BODY, 1,650 LBS LEVEL LIFTGATE, 5.1L TURBO DIESEL ENGINE, AISIN AUTOMATIC TRANSMISSION

$34,995 USD

FOR SALE: 2015 HINO 195 SERVICE TRUCK WITH 13' READING UTILITY BODY – 1,650 LB LIFTGATE – DIESEL, Offered for sale is a 2015 Hino 195 service truck equipped with a 13-foot Reading Classic...

Condition	Used
Usage	161,563 Miles
Duty Class	Medium Duty Service Truck
Upfit Type	Service Utility Truck Body
Upfit Make	Reading
Upfit Model	CLASSIC II
Bed Length	13 ft.
Horse Power	210 HP
Engine Model	Isuzu J05E-TP
Drivetrain	4x2
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	13,660 lb
Liftgate	Yes
Stock Number	001587
MLS Number	14300450
Category	Mechanic / Utility / Service Trucks
Last Updated	4/9/2026
Location	Miami, FL, US
Sold By	Truck and Van Outlet

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2024 RAM 5500 Mechanic / Service Truck - Cummins, 360HP, 6 Speed Automatic

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2024 RAM 5500HD 4X4 Mechanics Truck, 6.7L Cummins Turbo Diesel Engine, 360 HP, Exhaust Brake, 6 Speed Automatic Transmission, ONLY 289 Miles Only 10 Hours, 19.5 GVWR ( 7,250 LB Steer Axle,...

Condition	Used
Usage	10 Hours
Duty Class	Medium Duty Service Truck
Horse Power	360 HP
Engine Model	Cummins B6.7
Drivetrain	4x4
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	13,500 lb 4.44 ratio
Stock Number	T18128D
MLS Number	14299475
Category	Mechanic / Utility / Service Trucks
Last Updated	4/9/2026
Location	Denver, CO, US
Sold By	DTI Trucks

(855) 804-___ SHOW
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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...

Condition	Used
Usage	306,810 Miles
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	16,000 lb 5.25 ratio
Stock Number	445214
MLS Number	13995802
Category	Mechanic / Utility / Service Trucks
Last Updated	4/8/2026
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

2021 Chevrolet 5500 Mechanic / Service Truck - Gm, 350HP

$84,000 USD

USED 2021 SERVICETRUCK+CRANE, 350 HP GM., 7500 lb Front Axle, 15500 lb Rear Axle, 165 WB.

Condition	Used
Usage	134,591 Miles
Horse Power	350 HP
Engine Model	6.6L V8, TURBO DURAMAX
Drivetrain	4x4
Transmission	6 Speed
Suspension	Spring
Rear End	15,500 lb
Stock Number	MH661779
MLS Number	14295232
Category	Mechanic / Utility / Service Trucks
Last Updated	4/8/2026
Location	Hooksett, NH, US
Sold By	Custom Truck One Source

(844) 435-___ SHOW
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2017 Ford F-450 Mechanic / Service Truck - 6 Speed Automatic

$29,500 USD

HANDY LITTLE TRUCK WITH NICE VIKING PLOW, 9' UTILITY, ELECTRIC CRANE, AND LIFTGATE. BODY IS ROUGH, BUT TRUCK IS NICE WITH GOOD TIRES NEW BRAKES. GREAT SUPPORT TRUCK!,

Condition	Used
Usage	101,006 Miles
Duty Class	Medium Duty Service Truck
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	11,500 lb
Stock Number	131552
MLS Number	14273134
Category	Mechanic / Utility / Service Trucks
Last Updated	4/7/2026
Location	Walpole, MA, US
Sold By	Allegiance Trucks

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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...

Condition	Used
Usage	7,440 Hours
Duty Class	Heavy Duty Service Truck
Horse Power	350 HP
Drivetrain	4x2
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Ride
Rear Axle	Single Axle
Rear End	22,000 lb 4.78 ratio
Stock Number	T18054D
MLS Number	14265013
Category	Mechanic / Utility / Service Trucks
Last Updated	4/7/2026
Location	Denver, CO, US
Sold By	DTI Trucks

(844) 435-___ SHOW
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2018 International WorkStar 7300 Tandem Axle Mechanic / Service Truck - Cummins, 260HP

$69,495 USD

Versalift Model VO355XMHI-01 55' Over Center Mounted Single, Man Bucket Crane With Utility Body

Condition	Used
Usage	14,610 Miles
Duty Class	Heavy Duty Service Truck
Horse Power	260 HP
Engine Model	Cummins ISB
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Tandem Axle
Rear End	21,000 lb 5.29 ratio
Stock Number	339356
MLS Number	13129779
Category	Mechanic / Utility / Service Trucks
Last Updated	4/7/2026
Location	Manchester, NH, US
Sold By	Allegiance Trucks