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

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2014 Freightliner M2 106 Mechanic / Service Truck - Cummins, 300HP, 6 Speed Allison Rds Automatic

Contact for price

2014 Freightliner M2 Mechanics Truck, Cummins B6.7L Turbo Diesel Engine, 300 HP, Exhaust Brake, Allison 2500 RDS Automatic Transmission, 409,799 Miles ECM Verified Miles, 26K Lbs. GVWR, 10K...

Condition	Used
Usage	409,799 Miles
Duty Class	Medium Duty Service Truck
Bed Length	11 ft.
Horse Power	300 HP
Engine Model	Cummins B6.7
Drivetrain	4x2
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Ride
Rear Axle	Single Axle
Rear End	19,000 lb 6.14 ratio
Stock Number	T18064D
MLS Number	14244588
Category	Mechanic / Utility / Service Trucks
Last Updated	3/20/2026
Location	Denver, CO, US
Sold By	DTI Trucks

(833) 904-___ SHOW
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2011 Hino 338 Mechanic / Service Truck - J08E-VB, 260HP, 6 Speed Automatic

$14,500 USD

2011 Hino Utility Daycab, 260hp Hino J08E-VB, 6spd Allison, Automatic, 142k Mi, Leaf Spring Suspension, 178in Wheelbase, Nationwide Delivery Available

Condition	Used
Usage	142,764 Miles
Duty Class	Heavy Duty Service Truck
Horse Power	260 HP
Engine Model	Hino J08E-VB
Drivetrain	4x2
Transmission	6 Speed Automatic
Suspension	Leaf Springs
Rear Axle	Single Axle
Rear End	21,000 lb
Stock Number	2000
MLS Number	14244481
Category	Mechanic / Utility / Service Trucks
Last Updated	3/13/2026
Location	Sawyer, KS, US
Sold By	The Wrays, LLC

(833) 829-___ SHOW
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2019 Chevrolet Silverado 5500HD Mechanic / Service Truck - Duramax, 6 Speed Automatic

$58,750 USD

2019 Chevrolet Silverado 5500 HD Service Truck Quick Highlights:, , Engine: 6.6L V8 Duramax Turbodiesel – Powerful and efficient for heavy-duty tasks , Transmission: Automatic – Smooth and...

Condition	Used
Usage	3,730 Hours
Duty Class	Medium Duty Service Truck
Bed Length	11 ft.
Drivetrain	4x4
Transmission	6 Speed Automatic
Stock Number	4CT7444
MLS Number	14082825
Category	Mechanic / Utility / Service Trucks
Last Updated	3/13/2026
Location	Greensboro, NC, US
Sold By	Impex Heavy Metal

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

$97,900 USD

Single Axle, 11' Service Body, Summit 10620 Crane (10,000 Capacity), Hydraulic Outriggers, Belaire 3G3HHL Gas Powered Compressor, 15 Gallon Non-Potable Water Tank, PX7 Paccar 300 HP, Allison...

Condition	Used
Usage	13,427 Hours
Duty Class	Heavy Duty Service Truck
Bed Length	11 ft.
Horse Power	300 HP
Engine Model	Paccar PX7
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Ride
Rear Axle	Single Axle
Rear End	21,000 lb 5.25 ratio
Stock Number	GM117044
MLS Number	14241222
Category	Mechanic / Utility / Service Trucks
Last Updated	3/12/2026
Location	Chatham, VA, US
Sold By	J&J Truck Sales

(833) 660-___ SHOW
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2017 Ford F-250 Mechanic / Service Truck - 6.2L FLEX FUEL V8, 385HP, 6 Speed Automatic

$32,500 USD

2017 Ford F250 Service/Utility Truck, Gas, 4x4 Powertrain Chassis: 134,035 miles | 5,282 Hours, 6.2L V8 with 385HP/430lbs-ft Torque, 6 Speed Torqshift 6R140 Transmission | 4x4 | Diff Lock,...

Condition	Used
Usage	5,282 Hours
Duty Class	Light Duty Service Truck
Horse Power	385 HP
Engine Model	Ford 6.2L FLEX FUEL V8
Drivetrain	4x4
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	6,340 lb
Stock Number	T18061M
MLS Number	14240903
Category	Mechanic / Utility / Service Trucks
Last Updated	3/12/2026
Location	Wheat Ridge, CO, US
Sold By	DTI Trucks

(844) 882-___ SHOW
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2016 RAM 5500 Mechanic / Service Truck - 360HP, 6 Speed Automatic

Price Drop $31,995 USD

TStart making money with this truck tomorrow Work-ready Ram 5500 HD Service Truck 2016 Ram 5500HD Service Truck, Cummins 6.7 Desel, Automatic Transmission, Low Miles: 97,509, Utility Service...

Condition	Used
Usage	97,503 Miles
Duty Class	Medium Duty Service Truck
Horse Power	360 HP
Drivetrain	6x2
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
MLS Number	14142844
Category	Mechanic / Utility / Service Trucks
Last Updated	3/12/2026
Location	Phoenix, AZ, US
Sold By	American Truck Sales & Salvage

(844) 479-___ SHOW
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2018 Chevrolet Silverado 2500HD Extended Cab Mechanic / Service Truck - Knapheide Service Utility Truck Body

$36,900 USD

2018 Chevy Silverado 2500HD Double Cab Service/Utility Truck powered by a 6.0L V8 engine paired with an automatic transmission. Equipped with A/C, tilt steering, cruise control, alarm system...

Condition	Used
Usage	118,444 Miles
Duty Class	Light Duty Service Truck
Upfit Type	Service Utility Truck Body
Upfit Make	Knapheide
Horse Power	364 HP
Drivetrain	4x2
Transmission	6 Speed Automatic
Rear Axle	Single Axle
Stock Number	13506
MLS Number	14042832
Category	Mechanic / Utility / Service Trucks
Last Updated	3/12/2026
Location	North Hills, CA, US
Sold By	Truck Depot

(844) 476-___ SHOW
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2017 RAM 5500 Mechanic / Service Truck - Cummins, 325HP

At auction

2017 Ram 5500 4x4 Crew Cab Flatbed Truck, Cummins 6.7L Turbo Diesel, 96,429 Miles and 7,867 Miles, Aisin AS69RC 6 Speed Automatic Overdrive Transmission, 19,500 L.B. GVWR, 4.88 Gear Ratio,...

Condition	Used
Usage	96,429 Miles
Horse Power	325 HP
Engine Model	Cummins V8 6.7L
Drivetrain	4x4
Transmission	6 Speed
Suspension	Spring
Rear End	13,500 lb
Stock Number	HG773288
MLS Number	14235789
Category	Mechanic / Utility / Service Trucks
Last Updated	3/14/2026
Location	Kansas City, MO, US
Listed By	Custom Truck One Source

(844) 445-___ SHOW
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2012 RAM 5500 HD 4WD, Turbo Diesel, Mechanic / Service Truck, Crane with remote, Hydraulic Air Compressor, Welder and Outriggers

$58,750 USD

***JUST IN! This is a 2012 Ram 5500 with Cummins 6.7 LtrTurbo Diesel engine, 330 H.P. 6-Speed Automatic Trans, with clean intereior of the cab and service body. AM/FM/CD/Aux Sterio/ 12V port...

Condition	Used
Usage	236,220 Miles
Duty Class	Medium Duty Service Truck
Bed Length	11 ft.
Horse Power	330 HP
Engine Model	Cummins ISX
Drivetrain	4x4
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	19,500 lb
Outriggers	Yes
Lift Capacity	7500.00 Lb
Stock Number	124272
MLS Number	14232653
Category	Mechanic / Utility / Service Trucks
Last Updated	3/20/2026
Location	Midvale, UT, US
Sold By	MTS Utah, Inc.

(866) 695-___ SHOW
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2007 Ford F-450 Mechanic / Service Truck

$20,000 USD

127950 Miles, 6 Speed Manual Transmission

Condition	Used
Usage	127,950 Miles
Duty Class	Medium Duty Service Truck
Transmission	6 Speed Manual
Stock Number	MCOPT2013B44919
MLS Number	12628250
Category	Mechanic / Utility / Service Trucks
Last Updated	3/9/2026
Location	Dallas, TX, US
Sold By	MCO Truck and Equipment

(844) 305-___ SHOW
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2015 Ford F-750 XLT Mechanic / Service Truck - Cummins, 250HP, 6 Speed Automatic

$85,900 USD

Single Axle, Extended Cab, 11' Stellar Service Body, Stellar 12621 12,000 Capacity Crane, Hydraulic Outriggers, American Eagle SHD66 Hydraulic Compressor, (11) 32" Drawers, Miller...

Condition	Used
Usage	9,403 Hours
Duty Class	Heavy Duty Service Truck
Bed Length	11 ft.
Horse Power	250 HP
Engine Model	Cummins ISB6.7
Transmission	6 Speed Automatic
Suspension	Air Ride
Rear Axle	Single Axle
Rear End	21,000 lb
Stock Number	FV730234
MLS Number	14229963
Category	Mechanic / Utility / Service Trucks
Last Updated	3/7/2026
Location	Chatham, VA, US
Sold By	J&J Truck Sales

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2015 Ford F-350 Mechanic / Service Truck - 6.2L FLEX FUEL V8, 6 Speed Automatic

$29,500 USD

Extended Cab, 4x4, 8' Knapheide Body, BOSS 8' Super Duty Snow Plow, THIEMAN Hydraulic Lift Gate, 6.2L V8 Gas, Automatic, Spring Suspension, 159" WB, P/S, A/C, AM/FM, Cruise, Tilt Wheel, Dual...

Condition	Used
Usage	62,609 Miles
Duty Class	Light Duty Service Truck
Engine Model	Ford 6.2L FLEX FUEL V8
Drivetrain	4x4
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	6,290 lb
Stock Number	GEB17284
MLS Number	14229879
Category	Mechanic / Utility / Service Trucks
Last Updated	3/7/2026
Location	Chatham, VA, US
Sold By	J&J Truck Sales

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

$54,977 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
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	14229320
Category	Mechanic / Utility / Service Trucks
Last Updated	3/7/2026
Location	Phoenix, AZ, US
Sold By	American Truck Sales & Salvage

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2022 RAM 5500 Mechanic / Service Truck - Cummins, 360HP, 6 Speed Automatic

$134,500 USD

2022 RAM 5500 4X4 Mechanics Truck, 6.7L Cummins Turbo Diesel Engine, 360HP, Exhaust Brake, 6 Speed Automatic Transmission, Only 68,967 Miles Only 1,858 Engine Hours, 19.5K GVWR (7,250 LB...

Condition	Used
Usage	1,858 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
Stock Number	T17995D
MLS Number	14140875
Category	Mechanic / Utility / Service Trucks
Last Updated	3/7/2026
Location	Denver, CO, US
Sold By	DTI Trucks

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

$24,900 USD

Blow-out Sale, Cash Price ~ Deal Ends March 27th 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, 4.88...

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	3/17/2026
Location	Midvale, UT, US
Sold By	MTS Utah, Inc.

2019 Ford F-550 Service/Flatbed Truck, Rare Find, 6.7L Powerstroke, 120K miles - Altec Body

$33,995 USD

FOR SALE: 2019 FORD F-550 SUPER DUTY SERVICE TRUCK WITH ALTEC BODY – 6.7L POWERSTROKE DIESEL, Offered for sale is a 2019 Ford F-550 Super Duty service truck equipped with a heavy-duty Altec...

Condition	Used
Usage	6,511 Hours
Duty Class	Medium Duty Service Truck
Upfit Type	Service Utility Truck Body
Upfit Make	Altec
Bed Length	11 ft.
Horse Power	440 HP
Engine Model	Ford Powerstroke
Drivetrain	4x2
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	14,706 lb
Stock Number	A21702
MLS Number	14227174
Category	Mechanic / Utility / Service Trucks
Last Updated	3/9/2026
Location	Miami, FL, US
Sold By	Truck and Van Outlet

2017 Ford F-550 11' Mechanic/Service Body with Stellar 7621 7,000 lbs. Crane + Welder

$64,995 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	3/6/2026
Location	Miami, FL, US
Sold By	Truck and Van Outlet

(844) 476-___ SHOW
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2024 RAM 5500 Mechanic / Service Truck - Cummins, 370HP

$92,000 USD

2024 Dodge Ram 4x4 Crew Cab 5500 Knapheide Service Truck, Cummins 6.7@360 H.P. 1,973 Miles and 424 Hours, Engine Brake, Aisin AS69RD HD 6 Speed Automatic Overdrive Transmission, 19,500 L.B....

Condition	Used
Usage	1,973 Miles
Horse Power	360 HP
Engine Model	Cummins 6.7L I6 TURBO DIESEL
Drivetrain	4x4
Transmission	6 Speed
Suspension	Spring
Rear End	13,500 lb
Stock Number	RG152295
MLS Number	13047854
Category	Mechanic / Utility / Service Trucks
Last Updated	3/10/2026
Location	Oklahoma City, OK, US
Sold By	Custom Truck One Source

(833) 801-___ SHOW
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2015 Kenworth T370 Mechanic / Service Truck - 325HP, 6 Speed Manual

$45,000 USD

GOOD TRUCK, RUNS EXCELLENT, AUTO CRANE MODEL 10006H, AUTO CRANE BED, SLIDING DRAWER TOOL BOXES, GREASE PUMP WITH REEL, BOSS BA440 AIR COMPRESSOR! SOUTHERN TRUCK/ NOT RUSTY!!,

Condition	Used
Usage	425,840 Miles
Duty Class	Heavy Duty Service Truck
Horse Power	325 HP
Drivetrain	4x2
Transmission	6 Speed Manual
Rear Axle	Single Axle
Rear End	21,000 lb 4.56 ratio
Stock Number	15T3425SER
MLS Number	14220720
Category	Mechanic / Utility / Service Trucks
Last Updated	3/3/2026
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

(855) 804-___ SHOW
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2015 Peterbilt 337 Mechanic / Service Truck - Paccar, 350HP, 6 Speed Allison Hs Automatic

$95,900 USD

2015 Peterbilt 337 --- Single Axle, PX9 PACCAR 350 HP, Allison Automatic 6 Speed, 4.78 Ratio, 12,000 Front Axle, 21,000 Rear Axle, 198" Wheelbase, Air Ride, Single Stage Engine Brake, Air...

Condition	Used
Usage	265,592 Miles
Duty Class	Heavy Duty Service Truck
Horse Power	350 HP
Engine Model	Paccar PX9
Drivetrain	6x2
Transmission	6 Speed Allison HS Automatic
Suspension	Air Ride
Rear Axle	Single Axle
Rear End	21,000 lb 4.78 ratio
Stock Number	275915
MLS Number	14220684
Category	Mechanic / Utility / Service Trucks
Last Updated	3/7/2026
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

2026 Peterbilt 536 / Summit 10620 Crane / 10k lbs. / Welder / Compressor / NON-CDL

$205,995 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	2/28/2026
Location	Miami, FL, US
Sold By	Truck and Van Outlet

2014 Freightliner Business Class M2-106 Enclosed Utility, Cummins 6.7L, Allison Auto, Well Maintained, Ready for Work

$29,995 USD

FOR SALE – 2014 FREIGHTLINER M2-106 ENCLOSED UTILITY / SERVICE TRUCK, For sale is a professionally outfitted enclosed utility truck designed for mechanical service operations, field...

Condition	Used
Usage	7,956 Hours
Duty Class	Heavy Duty Service Truck
Upfit Type	High Roof Enclosed Service Truck Body
Upfit Make	Adkins
Upfit Model	15094T74
Bed Length	12.6
Horse Power	250 HP
Engine Model	Cummins ISB
Drivetrain	4x2
Transmission	6 Speed Allison RDS Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	21,000 lb
Stock Number	FV8584
MLS Number	14029346
Category	Mechanic / Utility / Service Trucks
Last Updated	2/28/2026
Location	Miami, FL, US
Sold By	Truck and Van Outlet

2022 Ford F-350 Super Duty, 9' Reading Utility body , Powerstroke 4x4

$42,995 USD

FOR SALE: 2022 FORD F-350 SUPER DUTY – 9’ READING SERVICE BODY UTILITY TRUCK (CREW CAB 4X4, DIESEL), The 2022 Ford F-350 Super Duty Crew Cab is a professional-grade service utility truck...

Condition	Used
Usage	3,864 Hours
Duty Class	Light Duty Service Truck
Upfit Type	Service Utility Truck Body
Upfit Make	Reading
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	C92517
MLS Number	13964529
Category	Mechanic / Utility / Service Trucks
Last Updated	2/28/2026
Location	Miami, FL, US
Sold By	Truck and Van Outlet

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