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

51 - 75 of 112 listings

2020 Chevrolet Silverado 3500HD Mechanic / Service Truck - Auto Crane EHC-3² Mechanic Body

$39,995 USD

FOR SALE: 2020 CHEVROLET SILVERADO 3500HD – KNAPHEIDE UTILITY BODY WITH AUTO CRANE EHC-32 (GAS, CREW CAB, DUALLY), The 2020 Chevrolet Silverado 3500HD equipped with a Knapheide utility body...

Condition	Used
Usage	6,265 Hours
Duty Class	Light Duty Service Truck
Upfit Type	Mechanic Body
Upfit Make	Auto Crane
Upfit Model	EHC-3²
Bed Length	9 ft.
Horse Power	401 HP
Engine Model	GMC L8T
Drivetrain	4x2
Transmission	6 Speed Automatic
Suspension	Spring
Rear End	10,400 lb
Stock Number	248542
MLS Number	13970573
Category	Mechanic / Utility / Service Trucks
Last Updated	2/28/2026
Location	Miami, FL, US
Sold By	Truck and Van Outlet

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2020 Chevrolet Express 3500 KUV Mechanic / Service Truck - Reading CSV Enclosed Service Body

$22,995 USD

For Sale: 2020 Chevrolet Express 3500 Cutaway Utility Truck 11 Enclosed KUV Service Body This 2020 Chevrolet Express 3500 Cutaway is a light-duty utility truck built for contractors,...

Condition	Used
Usage	126,355 Miles
Duty Class	Light Duty Service Truck
Upfit Type	KUV Low Roof Enclosed Service Van Body
Upfit Make	Reading
Upfit Model	CSV
Bed Length	11 ft.
Horse Power	341 HP
Engine Model	Chevy Vortec
Drivetrain	4x2
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	7,500 lb
Stock Number	184689
MLS Number	13588422
Category	Mechanic / Utility / Service Trucks
Last Updated	2/28/2026
Location	Miami, FL, US
Sold By	Truck and Van Outlet

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2017 Freightliner M2 106 Mechanic / Service Truck - Cummins, 260HP, 6 Speed Automatic

$39,900 USD

Single Axle, ISB 6.7 Cummins 260 HP, Allison Automatic 6 Speed, 5.13 Ratio, 10,000 Front Axle, 16,000 Rear Axle, 204" Wheelbase, 17' Bridge, Spring, Electric/Hydraulic Brakes, 15' Steel...

Condition	Used
Usage	148,828 Miles
Duty Class	Medium Duty Service Truck
Bed Length	15 ft.
Horse Power	260 HP
Engine Model	Cummins ISB260
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	16,000 lb 5.13 ratio
Stock Number	HHHY3647
MLS Number	14172023
Category	Mechanic / Utility / Service Trucks
Last Updated	3/3/2026
Location	Chatham, VA, US
Sold By	J&J Truck Sales

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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	3/6/2026
Location	Cinnaminson, NJ, US
Sold By	Custom Truck One Source

(844) 476-___ SHOW
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2016 Freightliner M2 106 Mechanic / Service Truck - Cummins, 260HP, 6 Speed Allison Rds Automatic

$34,900 USD

Single Axle, ISB 6.7 Cummins 260 HP, Allison Automatic 6 Speed, 5.13 Ratio, 10,000 Front Axle, 16,000 Rear Axle, 204" Wheelbase, 17' Bridge, Spring, Electric/Hydraulic Brakes, 15' Steel...

Condition	Used
Usage	270,417 Miles
Duty Class	Medium Duty Service Truck
Bed Length	15 ft.
Horse Power	260 HP
Engine Model	Cummins ISB260
Transmission	6 Speed Allison RDS Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	16,000 lb 5.13 ratio
Stock Number	GHHM9021
MLS Number	14167107
Category	Mechanic / Utility / Service Trucks
Last Updated	3/3/2026
Location	Chatham, VA, US
Sold By	J&J Truck Sales

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

$24,900 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	2/26/2026
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

(855) 804-___ SHOW
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2018 Ford F-250 Mechanic / Service Truck - 383HP, 6 Speed Automatic

$43,500 USD

2018 Ford F250 Crew Cab 8ft Pickup Truck Powertrain Chassis: 45,676 miles | 1979 Hours, 6.2L Gas V8 with 385HP/430lbs-ft | 4x4, 69R140 6 Speed Automatic Transmission | Locking Rear Diff,...

Condition	Used
Usage	1,979 Hours
Duty Class	Light Duty Service Truck
Horse Power	383 HP
Drivetrain	4x4
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	6,340 lb
Stock Number	T18047M
MLS Number	14160071
Category	Mechanic / Utility / Service Trucks
Last Updated	2/24/2026
Location	Wheat Ridge, CO, US
Sold By	DTI Trucks

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2015 Ford F-450 XL Mechanic / Service Truck - 390HP, 6 Speed Automatic

$29,499 USD

2015 FORD F450 – Cummins 360 – HP – $21,499,   Get Pre-Approved, Truck Overview, This 2015 Ford F450 Service Truck is work-ready and fleet maintained. Powered by a strong Cummins 6.7 rated...

Condition	Used
Usage	139,923 Miles
Duty Class	Medium Duty Service Truck
Horse Power	390 HP
Drivetrain	6x2
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
MLS Number	14142854
Category	Mechanic / Utility / Service Trucks
Last Updated	2/13/2026
Location	Phoenix, AZ, US
Sold By	American Truck Sales & Salvage

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2018 Ford F-550 Super Duty 9' Utility/Service Truck, 6.7L Powerstroke, 4X4, One-Owner, Clean Carfax

$34,995 USD

FOR SALE: 2018 FORD F-550 SUPER DUTY 4X4 9' SERVICE / UTILITY TRUCK, For sale is a 2018 Ford F-550 Super Duty 4x4 configured as a heavy-duty utility / service truck equipped with a 9-foot...

Condition	Used
Usage	7,129 Hours
Duty Class	Medium Duty Service Truck
Upfit Type	Service Utility Truck Body
Upfit Make	MCB
Bed Length	9.4
Horse Power	330 HP
Engine Model	Ford Powerstroke
Drivetrain	4x4
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	14,706 lb
Stock Number	B36662
MLS Number	14137866
Category	Mechanic / Utility / Service Trucks
Last Updated	3/12/2026
Location	Miami, FL, US
Sold By	Truck and Van Outlet

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2019 Ford F-550 Super Duty 11' Service Body, Boss Air Compressor, 6.7L Powerstroke, Clean Carfax

$33,595 USD

FOR SALE: 2019 FORD F-550 SUPER DUTY 11' SERVICE BODY WITH BOSS AIR COMPRESSOR, For sale is a 2019 Ford F-550 Super Duty configured as a heavy-duty service / utility truck equipped with an...

Condition	Used
Usage	7,827 Hours
Duty Class	Medium Duty Service Truck
Upfit Type	Service Utility Truck Body
Upfit Make	Knapheide
Upfit Model	6132D5460
Bed Length	11 ft.
Horse Power	330 HP
Engine Model	Ford Powerstroke
Drivetrain	4x2
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	14,706 lb
Outriggers	Yes
Stock Number	A05661
MLS Number	14137840
Category	Mechanic / Utility / Service Trucks
Last Updated	3/27/2026
Location	Miami, FL, US
Sold By	Truck and Van Outlet

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2016 Freightliner M2 106 Mechanic / Service Truck - Cummins, 240HP, 6 Speed Allison Rds Automatic

$69,900 USD

11' Service Body, Miller ENPAK Rotary Screw Air Compressor, IMT 8600-22 Crane with Remote, Very nice used unit, Serviced and DOT'D,

Condition	Used
Usage	15,925 Hours
Duty Class	Medium Duty Service Truck
Bed Length	11 ft.
Horse Power	240 HP
Engine Model	Cummins B6.7
Drivetrain	4x2
Transmission	6 Speed Allison RDS Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	17,500 lb 5.88 ratio
Stock Number	281432
MLS Number	13857519
Category	Mechanic / Utility / Service Trucks
Last Updated	2/10/2026
Location	Smithfield, PA, US
Sold By	Hunter Truck

(724) 243-___ SHOW
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2014 Peterbilt 337 Mechanic / Service Truck - Paccar, 260HP, 6 Speed Manual

$89,900 USD

IMT 14' Service Truck on a Peterbilt 337 Chassis. Service body has been fully reconditioned and painted Truck was fully DOT'd and PM'd in our Peterbilt Shop. Can send repair order over on...

Condition	Used
Usage	19,435 Hours
Duty Class	Heavy Duty Service Truck
Horse Power	260 HP
Engine Model	Paccar PX9
Drivetrain	4x2
Transmission	6 Speed Manual
Suspension	Spring
Rear Axle	Single Axle
Rear End	21,000 lb 4.11 ratio
Stock Number	246937
MLS Number	13813906
Category	Mechanic / Utility / Service Trucks
Last Updated	2/10/2026
Location	Smithfield, PA, US
Sold By	Hunter Truck

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2024 RAM 2500 Tradesman Mechanic / Service Truck - Cummins, 370HP, 6 Speed Automatic

$59,500 USD

2024 Ram 2500 Service/Utility, Diesel, Auto, 4x4 Powertrain Chassis: 45,667 miles | 1249 Hours, Cummins B6.7, 370HP/850lbs-ft, 6-Speed 68RFE Transmission | 4x4, Exhaust Brake | Tow/Haul...

Condition	Used
Usage	45,667 Miles
Duty Class	Light Duty Service Truck
Horse Power	370 HP
Engine Model	Cummins B6.7
Drivetrain	4x4
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	6,040 lb
Stock Number	T18020M
MLS Number	14131143
Category	Mechanic / Utility / Service Trucks
Last Updated	2/7/2026
Location	Wheat Ridge, CO, US
Sold By	DTI Trucks

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2011 Ford F-250 Mechanic / Service Truck with liftgate

$24,900 USD

2011 Ford F-250 S.D. Service Body/ Utility Truck with Liftgate, 6.2L V-8, auto trans, low 89k miles, A/C, tilt, power windows and locks, power mirrors, alarm, trailer brakes, bluetooth radio...

Condition	Used
Usage	89,301 Miles
Duty Class	Light Duty Service Truck
Horse Power	370 HP
Drivetrain	4x2
Transmission	6 Speed Automatic
Rear Axle	Single Axle
Stock Number	13497
MLS Number	14023683
Category	Mechanic / Utility / Service Trucks
Last Updated	2/4/2026
Location	North Hills, CA, US
Sold By	Truck Depot

(844) 479-___ SHOW
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2018 International DuraStar 4300 Mechanic / Service Truck - Cummins, 6 Speed Allison Rds Automatic

$43,500 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
Usage	38,000 Hours
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	2/3/2026
Location	Robstown, TX, US
Sold By	J&B Pavelka, Inc.

(844) 257-___ 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
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	1/31/2026
Location	Manchester, NH, US
Sold By	Allegiance Trucks

(844) 435-___ SHOW
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2015 Kenworth T370 Mechanic / Service Truck - Paccar, 300HP, 6 Speed Allison Rds Automatic

$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

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2015 Kenworth T370 Mechanic / Service Truck - Paccar, 300HP, 6 Speed Allison Rds Automatic

$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

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2016 Kenworth T370 Mechanic / Service Truck - Paccar, 300HP, 6 Speed Allison Rds Automatic

$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

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2016 Freightliner M2 106 Mechanic / Service Truck - Cummins, 240HP, 6 Speed Allison Rds Automatic

$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

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

$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
Usage	180,379 Miles
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	1/28/2026
Location	Houston, TX, US
Sold By	Custom Truck One Source

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

$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
Usage	211,675 Miles
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	1/28/2026
Location	Houston, TX, US
Sold By	Custom Truck One Source

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

$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

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

$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

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

$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

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