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

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

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2022 RAM 5500HD 4X4 Mechanics Truck, 6.7L Cummins Turbo Diesel Engine, 360HP, 6 Speed Automatic Transmission, Only 78,276 Miles 2,851 Engine Hours, 19.5 GVWR (7,250 LB Steer Axle, 13,500 LB...

Condition	Used
Usage	2,851 Hours
Duty Class	Medium Duty Service Truck
Bed Length	11 ft.
Horse Power	360 HP
Drivetrain	4x4
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	13,500 lb 4.89 ratio
Stock Number	T18106D
MLS Number	14263190
Category	Mechanic / Utility / Service Trucks
Last Updated	3/24/2026
Location	Denver, CO, US
Sold By	DTI Trucks

(844) 714-___ SHOW
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2017 Kenworth T370 Mechanic / Service Truck - Paccar, 330HP, 6 Speed Allison Rds Automatic

$79,500 USD

Altech AA55E bucket body, 56' Boom, 600 lb bucket capacity, 4 outriggers, Fabco TC137 4x4 transfer case, Allison 3500RDS transmission, Paccar PX9 330HP, Engine brake, Reyco spring suspension...

Condition	Used
Usage	147,119 Miles
Duty Class	Heavy Duty Service Truck
Bed Length	56 ft.
Horse Power	330 HP
Engine Model	Paccar PX9
Drivetrain	4x4
Transmission	6 Speed Allison RDS Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	23,000 lb 5.57 ratio
Stock Number	6951
MLS Number	14035568
Category	Mechanic / Utility / Service Trucks
Last Updated	3/24/2026
Location	Boise, ID, US
Sold By	Diesel Depot

(833) 801-___ SHOW
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2008 Ford F-750 Mechanic / Service Truck - Cummins, 240HP, 6 Speed Manual

$30,000 USD

GOOD TRUCK, RUNS EXCELLENT, MAINTAINED BY DEERE SERVICE, EXCELLENT SHAPE, IMT BODY, ROLLING DRAWER TOOL BOXES, IMT 6025 CRANE WITH WIRELESS REMOTE, MILLER 250 BOBCAT WELDER, IMT 435...

Condition	Used
Usage	289,094 Miles
Duty Class	Heavy Duty Service Truck
Horse Power	240 HP
Engine Model	Cummins ISB6.7
Drivetrain	4x2
Transmission	6 Speed Manual
Suspension	Spring
Rear Axle	Single Axle
Rear End	21,000 lb
Stock Number	08F750289SER
MLS Number	14259817
Category	Mechanic / Utility / Service Trucks
Last Updated	3/26/2026
Location	Covington, TN, US
Sold By	Don Baskin Truck Sales

(855) 804-___ SHOW
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2019 Kenworth T370 Mechanic / Service Truck - Paccar, 300HP, 6 Speed Allison Rds Automatic

$129,900 USD

2019 Kenworth T370 --- PACCAR 300 HP, Allison Automatic 6 Speed, 5.57 Ratio, 12,000 Front Axle, 21,000 Rear Axle, 155" Wheelbase, 12' 11" Bridge, Spring, Air Brake, Exhaust Brake, 11'...

Condition	Used
Usage	213,761 Miles
Duty Class	Heavy Duty Service Truck
Horse Power	300 HP
Engine Model	Paccar PX7
Drivetrain	4x2
Transmission	6 Speed Allison RDS Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	21,000 lb 5.57 ratio
Stock Number	259379
MLS Number	14072165
Category	Mechanic / Utility / Service Trucks
Last Updated	3/20/2026
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

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2027 Peterbilt 537 Mechanic / Service Truck - Paccar, 350HP, 6 Speed Allison Rds Automatic

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2027 Peterbilt 537 Mechanics Truck, Paccar PX9 Turbo Diesel Engine, 350 HP, Engine Brake, Allison 3000RDS 6 Speed Automatic Transmission, ONLY 1,130 Miles ONLY 28 Hours, 33K GVWR (12K Steer...

Condition	Used
Usage	28 Hours
Duty Class	Heavy Duty Service Truck
Horse Power	350 HP
Engine Model	Paccar PX9
Drivetrain	4x2
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Ride
Rear Axle	Single Axle
Rear End	21,000 lb 4.89 ratio
Stock Number	T18033D
MLS Number	14255570
Category	Mechanic / Utility / Service Trucks
Last Updated	3/20/2026
Location	Denver, CO, US
Sold By	DTI Trucks

(833) 660-___ SHOW
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2019 Ford F-350 Mechanic / Service Truck - 6.7L POWER STROKE, 330HP, 6 Speed Automatic

$39,500 USD

2019 Ford F350 Service/Utility Truck, Diesel, 4x4 Powertrain Chassis: 133,493 Miles | 4,625 Hours, 6.7L Powerstroke V8 with 330HP/910lbs-ft Torque, 6 Speed Torqshift 6R140 Transmission |...

Condition	Used
Usage	4,625 Hours
Duty Class	Light Duty Service Truck
Horse Power	330 HP
Engine Model	Ford 6.7L POWER STROKE
Drivetrain	4x4
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	7,230 lb
Stock Number	T18086M
MLS Number	14255406
Category	Mechanic / Utility / Service Trucks
Last Updated	3/19/2026
Location	Wheat Ridge, CO, US
Sold By	DTI Trucks

2019 CHEVY SILVERADO 2500HD WORK TRUCK, 8' KNAPHEIDE UTILITY BODY, COOP OWNED & MAINTAINED, XTRA CLEAN

$24,595 USD

FOR SALE: 2019 CHEVROLET SILVERADO 2500HD WORK TRUCK WITH 8' KNAPHEIDE UTILITY BODY – ONE OWNER, Offered for sale is a 2019 Chevrolet Silverado 2500HD Work Truck equipped with a durable...

Condition	Used
Usage	147,362 Miles
Duty Class	Light Duty Service Truck
Upfit Type	Service Utility Truck Body
Upfit Make	Knapheide
Bed Length	8 ft.
Horse Power	360 HP
Engine Model	GMC L96 Vortec
Drivetrain	4x2
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	6,200 lb
Stock Number	167053
MLS Number	14236916
Category	Mechanic / Utility / Service Trucks
Last Updated	3/18/2026
Location	Miami, FL, US
Sold By	Truck and Van Outlet

2019 Chevy Silverado 2500 HD Work Truck, 8' Knapheide Utility Body, Immaculate Condition, Ready to Work

$21,995 USD

FOR SALE: 2019 CHEVROLET SILVERADO 2500HD WORK TRUCK WITH KNAPHEIDE 8' UTILITY BODY – READY TO WORK, Offered for sale is a 2019 Chevrolet Silverado 2500HD Work Truck equipped with an 8-foot...

Condition	Used
Usage	172,172 Miles
Duty Class	Light Duty Service Truck
Upfit Type	Service Utility Truck Body
Upfit Make	Knapheide
Bed Length	8 ft.
Horse Power	360 HP
Engine Model	L96 - E85 MAX, Iron
Drivetrain	4x2
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	6,200 lb
Stock Number	165667
MLS Number	14234568
Category	Mechanic / Utility / Service Trucks
Last Updated	3/18/2026
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 355 Miles Only 14 Hours, 19.5 GVWR ( 7,250 LB Steer Axle,...

Condition	Used
Usage	14 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	T18129D
MLS Number	14250636
Category	Mechanic / Utility / Service Trucks
Last Updated	3/18/2026
Location	Denver, CO, US
Sold By	DTI Trucks

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2019 Chevrolet Silverado 2500HD Mechanic / Service Truck - 360HP, 6 Speed Automatic

$37,500 USD

2019 Chevrolet 2500 Service/Utility Truck, Gas, 4x4 Powertrain Chassis: 78,911 Miles | 3,249 Hours, 6.0L Vortec V8 with 360HP/380lbs-ft Torque, 6 Speed 6L90 Transmission | 4x4, Hydraulic...

Condition	Used
Usage	3,249 Hours
Duty Class	Light Duty Service Truck
Horse Power	360 HP
Drivetrain	4x4
Transmission	6 Speed Automatic
Suspension	Spring
Rear End	6,200 lb
Stock Number	T18085M
MLS Number	14245874
Category	Mechanic / Utility / Service Trucks
Last Updated	3/14/2026
Location	Wheat Ridge, 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

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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) 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	4/10/2026
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

(844) 305-___ SHOW
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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

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

(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

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