Used Diesel 6 Speed Automatic Mechanic / Utility / Service Trucks For Sale

(833) 658-___ SHOW
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2011 Dodge RAM 5500 4WD Mechanic / Service Truck, Plumber, Work, Construction, Handyman, Electrician, Box Truck, Diesel Delivery, Work, 9FT Bed

$19,999 USD

2011 Dodge Ram 5500HD Utility Stock: 507634 VIN:3D6WU7EL6BG507634 Year:2011 Make: Ram Model: 5500HD Engine:Cummins 6.7L I-6 diesel direct injection, inter-cooled turbo, diesel, engine with...

Condition	Used
Usage	311,176 Miles
Duty Class	Medium Duty Service Truck
Bed Length	9 ft.
Horse Power	305 HP
Engine Model	Cummins
Drivetrain	4x4
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	13,500 lb 4.88 ratio
Stock Number	507634
MLS Number	13438640
Category	Mechanic / Utility / Service Trucks
Last Updated	5/23/2025
Location	Elkton, MD, US
Sold By	Complete Recycling Group LLC

(844) 257-___ SHOW
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5 0

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

Newly Listed

$47,900 USD

(2 AVAILABLE) 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...

Quantity	2
Condition	Used
Duty Class	Heavy Duty Service Truck
Engine Model	Cummins ISB
Drivetrain	4x2
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Ride
Rear Axle	Single Axle
Rear End	21,000 lb
Stock Number	9736
MLS Number	13601670
Category	Mechanic / Utility / Service Trucks
Last Updated	5/23/2025
Location	Robstown, TX, US
Sold By	J&B Pavelka, Inc.

(844) 882-___ SHOW
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37 0

2019 Ford F-550 XL Mechanic / Service Truck - 6.7L POWER STROKE, 330HP, 6 Speed Automatic

Price Drop

$66,977 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	5/21/2025
Location	Phoenix, AZ, US
Sold By	American Truck Sales & Salvage

58 1

2025 Freightliner M2 106 Mechanic / Service Truck - Cummins, 350HP, 6 Speed Allison Rds Automatic

$239,500 USD

2025 Freightliner M2-106 Plus Single Axle Summit Mechanics Truck, Cummins L9 Turbo Diesel Engine, 350 HP, Engine Brake, Allison 3000 RDS 6 Speed Automatic Transmission, ONLY 2,475 Original...

Condition	Used
Usage	56 Hours
Duty Class	Medium 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	19,000 lb 5.22 ratio
Stock Number	T16713D
MLS Number	13451223
Category	Mechanic / Utility / Service Trucks
Last Updated	5/20/2025
Location	Denver, CO, US
Sold By	DTI Trucks

60 1

2025 Freightliner M2 106 Mechanic / Service Truck - Cummins, 350HP, 6 Speed Allison Rds Automatic

$224,500 USD

2025 Freightliner M2-106 Plus Single Axle Summit Mechanics Truck, Cummins L9 Turbo Diesel Engine, 350 HP, Engine Brake, Allison 3000 RDS 6 Speed Automatic Transmission, ONLY 2,489 Original...

Condition	Used
Usage	58 Hours
Duty Class	Medium 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	19,000 lb 5.22 ratio
Stock Number	T16712D
MLS Number	13451217
Category	Mechanic / Utility / Service Trucks
Last Updated	5/20/2025
Location	Denver, CO, US
Sold By	DTI Trucks

1 0

2014 RAM 5500 ST Mechanic / Service Truck - Cummins, 325HP, 6 Speed Automatic

$39,995 USD

For Sale: 2014 RAM 5500 Service Truck with Crane – 11’ Utility Body, Venturo FT12KX, Low Hours This 2014 RAM 5500 is a robust medium-duty service truck, purpose-built for field mechanics and...

Condition	Used
Usage	4,636 Hours
Duty Class	Medium Duty Service Truck
Bed Length	11 ft.
Horse Power	325 HP
Engine Model	Cummins ISB
Drivetrain	4x4
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	13,500 lb
Stock Number	114833
MLS Number	13588445
Category	Mechanic / Utility / Service Trucks
Last Updated	5/18/2025
Location	Miami, FL, US
Sold By	Truck and Van Outlet

1 0

2017 RAM 4500 ST Mechanic / Service Truck - Cummins, 325HP, 6 Speed Automatic

$26,995 USD

For Sale: 2017 RAM 4500 Enclosed Utility Truck – 11' Everlast Fiberglass Body, Inverter Shelving This 2017 RAM 4500 is a medium-duty utility truck built to handle demanding field service,...

Condition	Used
Usage	210,598 Miles
Duty Class	Medium Duty Service Truck
Bed Length	11 ft.
Horse Power	325 HP
Engine Model	Cummins ISB
Drivetrain	4x4
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	12,000 lb
Stock Number	695832
MLS Number	13588430
Category	Mechanic / Utility / Service Trucks
Last Updated	5/18/2025
Location	Miami, FL, US
Sold By	Truck and Van Outlet

6 0

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

$69,900 USD

2018 International 4300 --- Single Axle, ISB 6.7 Cummins 260 HP, Allison Automatic 6 Speed, 6.14 Ratio, 13,000 Front Axle, 20,000 Rear Axle, 174" Wheelbase, Axle Lock, Pintle Hitch, 10'...

Condition	Used
Usage	41,930 Miles
Duty Class	Heavy Duty Service Truck
Horse Power	260 HP
Engine Model	Cummins ISB
Drivetrain	4x2
Transmission	6 Speed Allison RDS Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	20,000 lb 6.14 ratio
Stock Number	435450
MLS Number	13512381
Category	Mechanic / Utility / Service Trucks
Last Updated	5/17/2025
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

6 0

2020 Chevrolet Silverado 5500HD Mechanic / Service Truck - Duramax, 350HP, 6 Speed Automatic

$119,900 USD

2020 Chevrolet SILVERADO 5500 4X4 --- Single Axle, 6.6 DURAMAX 350 HP, Allison Automatic 6 Speed, 7,500 Front Axle, 13,500 Rear Axle, 166" Wheelbase, SPRING, Exhaust Brake, Reese Hitch with...

Condition	Used
Usage	8,080 Hours
Duty Class	Medium Duty Service Truck
Horse Power	350 HP
Drivetrain	4x4
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	13,500 lb
Stock Number	350679
MLS Number	13435581
Category	Mechanic / Utility / Service Trucks
Last Updated	5/17/2025
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

9 0

2012 Ford F-550 Mechanic / Service Truck - 6.7 POWERSTROKE, 400HP, 6 Speed Automatic

$28,900 USD

2012 Ford F550 4X4 --- Single Axle, 6.7 POWERSTROKE FORD 400 HP, Automatic 6 Speed, 6,500 Front Axle, 14,706 Rear Axle, 167" Wheelbase, 13' 11" Bridge, SPRING, Reese Hitch with Electric...

Condition	Used
Usage	218,015 Miles
Duty Class	Medium Duty Service Truck
Horse Power	400 HP
Engine Model	Ford 6.7 POWERSTROKE
Drivetrain	4x4
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	14,706 lb
Stock Number	C63550
MLS Number	10737684
Category	Mechanic / Utility / Service Trucks
Last Updated	5/17/2025
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

49 0

2013 Ford F-550 Mechanic / Service Truck - 6.7L POWER STROKE, 300HP, 6 Speed Automatic

$99,500 USD

2013 Ford F-550 Extended Cab Superduty 4x4 Mechanics Truck, 6.7L Powerstroke Turbo Diesel Engine, 300 HP, 6 Speed Automatic Transmission, ONLY 74,102 Miles 4,312 Engine Hours, 19,500 Lbs....

Condition	Used
Usage	4,312 Hours
Duty Class	Medium Duty Service Truck
Horse Power	300 HP
Engine Model	Ford 6.7L POWER STROKE
Drivetrain	4x4
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	14,706 lb 4.88 ratio
Stock Number	T17174D
MLS Number	13584639
Category	Mechanic / Utility / Service Trucks
Last Updated	5/20/2025
Location	Denver, CO, US
Sold By	DTI Trucks

1 0

2019 Ford F-550 Mechanic / Service Truck - 6.7L POWER STROKE, 330HP, 6 Speed Automatic

$89,995 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
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
Stock Number	F06324
MLS Number	13584300
Category	Mechanic / Utility / Service Trucks
Last Updated	5/16/2025
Location	Miami, FL, US
Sold By	Truck and Van Outlet

(844) 305-___ SHOW
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6 0

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

$69,900 USD

Single Axle, 10' Adkins Service Body, Effer Knuckle Boom Model 135/3S (8,075 Capacity), 6.7L Cummins 260 HP, Allison Automatic 6 Speed, 6.14 Ratio, Spring Suspension, 13K FA, 20K RA, 33K...

Condition	Used
Usage	3,449 Hours
Duty Class	Heavy Duty Service Truck
Bed Length	10 ft.
Horse Power	260 HP
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	20,000 lb 6.14 ratio
Stock Number	JL435450
MLS Number	13512266
Category	Mechanic / Utility / Service Trucks
Last Updated	5/16/2025
Location	Chatham, VA, US
Sold By	J&J Truck Sales

12 0

2014 RAM 5500 Mechanic / Service Truck - Cummins, 325HP, 6 Speed Automatic

Price Drop

$64,900 USD

2014 R 5500 4X4 --- Single Axle, 6.7 Cummins 325 HP, Automatic 6 Speed, 7,000 Front Axle, 13,500 Rear Axle, 168" Wheelbase, 14' Bridge, SPRING, Exhaust Brake, Pintle Hitch with Electric...

Condition	Used
Usage	143,203 Miles
Duty Class	Medium Duty Service Truck
Horse Power	325 HP
Engine Model	Cummins ISB6.7
Drivetrain	4x4
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	13,500 lb
Stock Number	120365
MLS Number	12448419
Category	Mechanic / Utility / Service Trucks
Last Updated	5/17/2025
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

13 0

2010 Freightliner M2 106 Mechanic / Service Truck - Cummins, 260HP, 6 Speed Allison Rds Automatic

Price Drop

$69,900 USD

2010 Freightliner M2 --- Single Axle, ISC Cummins 260 HP, Allison Automatic 6 Speed, 6.14 Ratio, 12,000 Front Axle, 21,000 Rear Axle, 158" Wheelbase, 13' 2" Bridge, Spring, 2 Stage Engine...

Condition	Used
Usage	3,971 Hours
Duty Class	Heavy Duty Service Truck
Horse Power	260 HP
Engine Model	Cummins ISC
Drivetrain	4x2
Transmission	6 Speed Allison RDS Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	21,000 lb 6.14 ratio
Stock Number	AN6878
MLS Number	12305230
Category	Mechanic / Utility / Service Trucks
Last Updated	5/17/2025
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

(855) 278-___ SHOW
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27 0

2016 Ford F-550 XL Mechanic / Service Truck - 6.7L POWER STROKE, 440HP, 6 Speed Automatic

Price Drop

$42,900 USD

2016 Ford F550 4x4 Dually Bucket Truck, 6.7 Turbo Diesel (CA Compliant) 440 hp, 101,589 miles, 6 spd Automatic, Power Windows, Locks, Mirrors, Cruise, 1 Owner, Cold A/C, Altec Green Fleet...

Condition	Used
Usage	101,589 Miles
Duty Class	Medium Duty Service Truck
Bed Length	8 ft.
Horse Power	440 HP
Engine Model	Ford 6.7L POWER STROKE
Drivetrain	4x4
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	14,706 lb
Stock Number	89222
MLS Number	13524101
Category	Mechanic / Utility / Service Trucks
Last Updated	5/24/2025
Location	Signal Hill, CA, US
Sold By	Pacific Trux

(833) 315-___ SHOW
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9 1

2009 Sterling Bullet Flat Deck Truck - Deleted Cummins 6.7L Diesel

$21,722.44 USD

4X4 STERLING FLAT DECK TRUCK (Unit #01885) Located in Prince George, BC. Shipping and Financing Available. FEATURES:, ➡ 204,934 km*, ➡ 5,877 hr*, ➡ DELETED Cummins 6.7L Diesel Engine...

Condition	Used
Usage	5,877 Hours
Engine Model	Cummins
Drivetrain	4x4
Transmission	6 Speed Automatic
Suspension	Spring
Stock Number	01885
MLS Number	13259308
Category	Mechanic / Utility / Service Trucks
Last Updated	5/12/2025
Location	Prince George, BC, Canada
Sold By	WeConsign Equip Ltd.

(833) 970-___ SHOW
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14 0

2015 Peterbilt 337 Mechanic / Service Truck - Paccar, 300HP, 6 Speed Allison Rds Automatic

$64,900 USD

2015 Peterbilt 337 Service truck ***Cummins ***Allison*** 7500 IMT Crane 22' boom,

Condition	Used
Usage	6,456 Hours
Duty Class	Medium Duty Service Truck
Horse Power	300 HP
Engine Model	Paccar PX7
Drivetrain	4x2
Transmission	6 Speed Allison RDS Automatic
Rear Axle	Single Axle
Rear End	5.57 ratio
Stock Number	277018
MLS Number	13379438
Category	Mechanic / Utility / Service Trucks
Last Updated	5/9/2025
Location	Lancaster, PA, US
Sold By	Hunter Truck

36 0

2023 Chevrolet Silverado 5500HD Mechanic / Service Truck - Isuzu, 350HP, 6 Speed Allison Rds Automatic

$124,500 USD

2023 Chevrolet Silverado GM515 4X4 Mechanics Crane Truck, 6.6L Duramax L5D Turbo Diesel Engine, 350 HP, Exhaust Brake, Allison 6 Speed Automatic Transmission, ONLY 437 Miles, ONLY 17 Engine...

Condition	Used
Usage	17 Hours
Duty Class	Medium Duty Service Truck
Horse Power	350 HP
Engine Model	Isuzu 6HK1TC
Drivetrain	4x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	15,000 lb
Stock Number	T17041D
MLS Number	13534068
Category	Mechanic / Utility / Service Trucks
Last Updated	5/10/2025
Location	Denver, CO, US
Sold By	DTI Trucks

(530) 375-___ SHOW
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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...

Condition	Used
Usage	16,000 Miles
Duty Class	Medium Duty Service Truck
Upfit Type	Service Utility Truck Body
Upfit Make	Knapheide
Upfit Model	Custom
Bed Length	12 ft.
Horse Power	440 HP
Engine Model	Ford 6.7L Power Stroke
Drivetrain	4x2
Transmission	6 Speed Automatic
Rear Axle	Single Axle
Rear End	3.70 ratio
Door Type	Swing
MLS Number	13559342
Category	Mechanic / Utility / Service Trucks
Last Updated	5/5/2025
Location	Greenville, CA, US
Sold By	Vernon Roberts

(855) 585-___ SHOW
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27 0

2023 Freightliner M2 106 Mechanic / Service Truck - Stellar 10620 Service Utility Truck Body

$170,000 USD

TRUCK, YEAR: 2023, MAKE: FREIGHTLINER, MODEL: BUSINESS CLASS M2 106, ENGINE DETROIT DD8, TRANSMISSION: ALLISON 6SPD AUTOMATIC, MILEAGE: 27,533 MI, GVWR: 26,000 LBS - UNDER CDL CRANE,...

Condition	Used
Usage	1,472 Hours
Duty Class	Medium Duty Service Truck
Upfit Type	Service Utility Truck Body
Upfit Make	Stellar
Upfit Model	10620
Horse Power	260 HP
Engine Model	Detroit DD8
Drivetrain	4x2
Transmission	6 Speed Allison RDS Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	19,000 lb 5.88 ratio
Outriggers	Yes
Lift Height	21.00 ft
Max Reach	23 ft
Lift Capacity	10000.00 Lb
Lift Capacity	5.00 Ton
Winch	Yes
MLS Number	13322164
Category	Mechanic / Utility / Service Trucks
Last Updated	4/29/2025
Location	Lockport, NY, US
Sold By	LAKE COUNTRY TRUCK & EQUIPMENT INC.

91 0

2017 RAM 5500 Tradesman Mechanic / Service Truck - Cummins, 325HP, 6 Speed Automatic

$85,995 USD

For sale: 2017 RAM 5500 Mechanic Truck with a Summit 6620 hydraulic crane, engineered for demanding service work. This truck features a 6,000 lbs capacity crane with a two-stage telescopic...

Condition	Used
Usage	148,545 Miles
Duty Class	Medium Duty Service Truck
Bed Length	10 ft.
Horse Power	325 HP
Engine Model	Cummins ISB
Drivetrain	4x4
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	13,500 lb
Stock Number	773255
MLS Number	13209262
Category	Mechanic / Utility / Service Trucks
Last Updated	4/25/2025
Location	Miami, FL, US
Sold By	Truck and Van Outlet

46 0

2017 Ford F-750 Mechanic / Service Truck - 6.7L POWER STROKE, 330HP, 6 Speed Automatic

$124,500 USD

2017 Ford F-750 Mechanics Truck, 6.7L Powerstroke Turbo Diesel Engine, 330 HP, Exhaust Brake, 6 Speed Automatic Transmission, ONLY 8,856 Miles 3,520 Engine Hours, 33K GVWR (12K Steer Axle,...

Condition	Used
Usage	3,520 Hours
Duty Class	Medium Duty Service Truck
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	21,000 lb 4.56 ratio
Stock Number	T17071D
MLS Number	13534062
Category	Mechanic / Utility / Service Trucks
Last Updated	4/24/2025
Location	Denver, CO, US
Sold By	DTI Trucks

(833) 315-___ SHOW
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9 1

2008 Sterling Bullet Mechanic / Service Truck

$36,208.89 USD

SINGLE AXLE SERVICE CRANE DECK TRUCK (Unit #01835) Located in Prince George, BC. Shipping and Financing Available. FEATURES:, ➡ Crew Cab, ➡ Diesel Cummins Engine (deleted) w/ auto trans...

Condition	Used
Usage	191,879 Kilometers
Engine Model	Cummins
Transmission	6 Speed Automatic
Stock Number	01835
MLS Number	13260263
Category	Mechanic / Utility / Service Trucks
Last Updated	4/23/2025
Location	Prince George, BC, Canada
Sold By	WeConsign Equip Ltd.