Diesel 6 Speed Mechanic / Utility / Service Trucks For Sale

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23 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	10/16/2025
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

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21 0

2020 Kenworth T270 Mechanic / Service Truck - Paccar, 300HP, 6 Speed Allison Rds Automatic

$159,900 USD

2020 Kenworth T270 --- Single Axle, PX7 Paccar 300 HP, Allison Automatic 6 Speed, 5.57 Ratio, 10,000 Front Axle, 21,000 Rear Axle, 156" Wheelbase, 13' Bridge, Air Ride, 2 Stage Engine Brake,...

Condition	Used
Usage	269,752 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	21,000 lb 5.57 ratio
Stock Number	377697
MLS Number	13863139
Category	Mechanic / Utility / Service Trucks
Last Updated	10/15/2025
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

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58 0

2022 Freightliner M2 106 Mechanic / Service Truck - Cummins, 350HP, 6 Speed Allison Rds Automatic

$189,500 USD

2022 Freightliner M2-106 Mechanics Truck, 8.9L Cummins L9 Diesel Engine, 350 HP, Engine Brake, Allison 3000 RDS 6 Speed Automatic Transmission, ONLY 89,373 ECM Verified Miles 4,080 ECM...

Condition	Used
Usage	4,080 Hours
Duty Class	Heavy 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	21,000 lb 5.22 ratio
Stock Number	T17684D
MLS Number	13884115
Category	Mechanic / Utility / Service Trucks
Last Updated	10/14/2025
Location	Denver, CO, US
Sold By	DTI Trucks

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94 1

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

$224,995 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	10/14/2025
Location	Miami, FL, US
Sold By	Truck and Van Outlet

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18 0

2025 Kenworth T380 Mechanic / Service Truck - Paccar, 325HP, 6 Speed Allison Rds Automatic

$239,095 USD

Transfer this unit to your nearest Maryland/Delaware location at no additional cost – Baltimore, Bel Air, Dover, Landover, Mardela Springs, Upper Marlboro, or Westminster. Contact us for...

Condition	New
Usage	1,075 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	KN180807
MLS Number	13703376
Category	Mechanic / Utility / Service Trucks
Last Updated	10/11/2025
Location	Rosedale, MD, US
Sold By	All Roads Trucks

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55 0

2012 Mechanic / Service Truck, LOW MILES 45K!!!

$49,500 USD

This 2012 Freightliner M2 106 comes with Cummins ISB 6.7 L and an Allison Automatic transmission, Diff lock DPF/DEF. Aluminum Fuel tank. Like new steer tires.11R22.5 and 60% on the rear....

Condition	Used
Usage	6,083 Hours
Duty Class	Heavy Duty Service Truck
Bed Length	14 ft.
Engine Model	Cummins ISB
Drivetrain	4x2
Transmission	6 Speed Allison RDS Automatic
Suspension	4 Spring
Rear Axle	Single Axle
Rear End	21,000 lb 5.38 ratio
Door Type	Swing
Stock Number	BP4334
MLS Number	13853593
Category	Mechanic / Utility / Service Trucks
Last Updated	10/10/2025
Location	Midvale, UT, US
Sold By	MTS Utah, Inc.

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51 0

2023 Chevrolet Silverado 6500HD Mechanic / Service Truck - Isuzu, 350HP, 6 Speed Automatic

$129,500 USD

2023 Chevy 6500HD Mechanics Truck, 6.6L Duramax Turbo Diesel Engine, 350 HP, Exhaust Brake, Allison 6 Speed Automatic Transmission, ONLY 23,676 Miles 1,336 Engine Hours, NO CDL REQUIRED, 22...

Condition	Used
Usage	1,336 Hours
Duty Class	Medium Duty Service Truck
Horse Power	350 HP
Drivetrain	4x2
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	15,000 lb
Stock Number	T17683D
MLS Number	13879903
Category	Mechanic / Utility / Service Trucks
Last Updated	10/14/2025
Location	Denver, CO, US
Sold By	DTI Trucks

(844) 305-___ SHOW
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23 0

2020 Kenworth T270 Mechanic / Service Truck - Paccar, 300HP, 6 Speed Allison Rds Automatic

$159,900 USD

Single Axle, 11' TITAN AutoCrane Service Body, AutoCrane HC-12S Hydraulic Crane w/Wireless Remote, VANAIR Hydraulic Air Compressor, (8) 27" Drawers, (8) 15" Drawers, (4) 40" Drawers, PX7...

Condition	Used
Usage	9,242 Hours
Duty Class	Medium Duty Service Truck
Bed Length	14 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 5.57 ratio
Stock Number	LM385973
MLS Number	13852568
Category	Mechanic / Utility / Service Trucks
Last Updated	10/15/2025
Location	Chatham, VA, US
Sold By	J&J Truck Sales

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20 0

2011 RAM 5500 Mechanic / Service Truck - Cummins, 6 Speed Manual

$42,900 USD

Single Axle, 4x4, 10.5 Altec Service Body, Altec Single Bucket Model AT37G (400 lb Capacity), 37.5' Platform Height, MY-TE Winch-Hoist, 6.7L Cummins, 6 Speed, Exhaust Brake, Spring...

Condition	Used
Usage	155,336 Miles
Duty Class	Medium Duty Service Truck
Bed Length	10.5
Drivetrain	4x4
Transmission	6 Speed Manual
Suspension	Spring
Rear Axle	Single Axle
Rear End	13,500 lb
Stock Number	BG552190
MLS Number	13512274
Category	Mechanic / Utility / Service Trucks
Last Updated	10/15/2025
Location	Chatham, VA, US
Sold By	J&J Truck Sales

(844) 305-___ SHOW
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12 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	10/10/2025
Location	Chatham, VA, US
Sold By	J&J Truck Sales

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56 0

2021 RAM 5500 Mechanic / Service Truck - Cummins, 360HP, 6 Speed Automatic

$134,500 USD

2021 RAM 5500 4X4 Crew Cab Mechanics Truck, 6.7L Cummins Turbo Diesel Engine, 360 HP, Exhaust Brake, 6 Speed Automatic Transmission, ONLY 70,624 Miles 2,365 Engine Hours, 19.5K GVWR (7,250...

Condition	Used
Usage	2,365 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	T17715D
MLS Number	13878046
Category	Mechanic / Utility / Service Trucks
Last Updated	10/9/2025
Location	Denver, CO, US
Sold By	DTI Trucks

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24 0

2020 Chevrolet Silverado 3500 Mechanic / Service Truck - Duramax, 410HP, 6 Speed Automatic

$62,500 USD

2020 Chevrolet 3500 Service Truck, 4x4 Powertrain Chassis: 18,924 miles, 6.6L Duramax, 445HP/910 lbs-ft, 10 Speed Allison Transmission | 4x4, Exhaust Braking | Tow/Haul Mode, Hydraulic...

Condition	Used
Usage	18,924 Miles
Duty Class	Light Duty Service Truck
Horse Power	410 HP
Drivetrain	4x4
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	10,500 lb
Stock Number	T17672M
MLS Number	13873892
Category	Mechanic / Utility / Service Trucks
Last Updated	10/8/2025
Location	Wheat Ridge, CO, US
Sold By	DTI Trucks

5 0

2024 RAM 5500 Tradesman Mechanic / Service Truck - 6 Speed Automatic

$74,995 USD

New 2024 Ram 5500 Crew Cab 4x4 Diesel with a 9' Knapheide PGTB Gooseneck Flatbed work truck for sale. The sale price includes the flatbed. Stock# MSC240840.Bright White Clearcoat 2024 Ram...

Condition	New
Usage	17 Miles
Duty Class	Medium Duty Service Truck
Transmission	6 Speed Automatic
Stock Number	MSC240840
MLS Number	13523526
Category	Mechanic / Utility / Service Trucks
Last Updated	10/8/2025
Location	Avondale, AZ, US
Sold By	Larry H. Miller Ford - Mesa

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76 0

2019 Ford F-550 11' Service Body w/ 6,000 lbs. Auto Crane HC6 Welder / Hydraulic Compressor

$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
Upfit Type	Welder / Mechanics Body / Crane Truck Body
Upfit Make	Auto Crane
Upfit Model	HC-6
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
Outriggers	Yes
Max Reach	20.5 ft
Lift Capacity	6000.00 Lb
Stock Number	F06324A
MLS Number	13584300
Category	Mechanic / Utility / Service Trucks
Last Updated	10/7/2025
Location	Miami, FL, US
Sold By	Truck and Van Outlet

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6 0

2016 Ford F-550 Mechanic / Service Truck Hi-top Enclosed Body

$27,995 USD

FOR SALE: 2016 FORD F-550 SUPER DUTY – HI-TOP ENCLOSED UTILITY TRUCK WITH 6.7L POWERSTROKE DIESEL, The 2016 Ford F-550 Super Duty is a versatile service truck built for demanding field...

Condition	Used
Usage	122,620 Miles
Duty Class	Medium Duty Service Truck
Bed Length	11 ft.
Horse Power	300 HP
Engine Model	Ford POWERSTROKE
Drivetrain	4x2
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	14,706 lb
Stock Number	B78325
MLS Number	13871057
Category	Mechanic / Utility / Service Trucks
Last Updated	10/10/2025
Location	Miami, FL, US
Sold By	Truck and Van Outlet

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17 0

2025 Peterbilt 536 Mechanic / Service Truck - Paccar, 325HP, 6 Speed Allison Rds Automatic

$271,950 USD

NEW PETERBILT 536 NON-CDL CRANE MECHANICS TRUCK. POWERED WITH PACCAR PX7 ENGINE AND ALLISON 3500 SERIES TRANSMISSION. 10K FRONT AXLE, 21K REAR AXLE, 154" WHEELBASE. 11' LONG HEAVY DUTY...

Condition	New
Duty Class	Medium Duty Service Truck
Bed Length	11 ft.
Horse Power	325 HP
Engine Model	Paccar PX7
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Trac
Rear Axle	Single Axle
Rear End	21,000 lb 6.14 ratio
MLS Number	13870679
Category	Mechanic / Utility / Service Trucks
Last Updated	10/7/2025
Location	Butler, PA, US
Sold By	Hunter Truck

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39 0

2008 GMC TopKick C6500 Mechanic / Service Truck - Caterpillar, 6 Speed Automatic

$36,950 USD

2008 GMC 6500 – Custom 12’ Mobile Lab / Command Truck, Former U.S. Government Civil Support Team unit – Analytical Laboratory System, ✅ Dual side entry doors (work area storage), ✅ Onboard...

Condition	Used
Usage	34,914 Miles
Duty Class	Medium Duty Service Truck
Bed Length	12 ft.
Engine Model	Caterpillar C7
Drivetrain	4x2
Transmission	6 Speed Automatic
Rear Axle	Single Axle
Stock Number	Mobile Command
MLS Number	13696705
Category	Mechanic / Utility / Service Trucks
Last Updated	10/3/2025
Location	Phoenix, AZ, US
Sold By	American Truck Sales & Salvage

7 0

2024 RAM 5500 Tradesman Mechanic / Service Truck - 6 Speed Automatic

$169,895 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	10/3/2025
Location	Avondale, AZ, US
Sold By	Larry H. Miller Ford - Mesa

33 0

2024 RAM 4500 Tradesman Mechanic / Service Truck - 6 Speed Automatic

$76,495 USD

New 2024 Ram 4500 Chassis Cab 12' Royal Combo Service Body Contractor Body work truck for sale. The sale price includes the utility truck- contractor body combo body. Stock#...

Condition	New
Usage	10 Miles
Duty Class	Medium Duty Service Truck
Transmission	6 Speed Automatic
Stock Number	ADRB240732
MLS Number	13291334
Category	Mechanic / Utility / Service Trucks
Last Updated	10/3/2025
Location	Avondale, AZ, US
Sold By	Larry H. Miller Ford - Mesa

33 0

2024 RAM 5500 Tradesman Mechanic / Service Truck - 6 Speed Automatic

$85,995 USD

For Sale: New 2024 Ram 5500 Regular Cab 4x4 -- 11' Falcon Welder Mechanics BodyStock#: ADRC240333Available at Larry H. Miller Dodge Ram Avondale10101 W Papago Fwy, Avondale, AZLearn more:...

Condition	New
Usage	10 Miles
Duty Class	Medium Duty Service Truck
Transmission	6 Speed Automatic
Stock Number	ADRC240333
MLS Number	13291243
Category	Mechanic / Utility / Service Trucks
Last Updated	10/3/2025
Location	Avondale, AZ, US
Sold By	Larry H. Miller Ford - Mesa

28 0

2024 RAM 5500 Tradesman Mechanic / Service Truck - 6 Speed Automatic

$69,795 USD

For Sale: New 2024 Ram 5500 Regular Cab 4x4 Diesel -- 12' Knapheide Flatbed TruckStock#: ADRB240527Available now at Larry H. Miller Dodge Ram Avondale10101 W Papago Fwy, Avondale, AZVisit:...

Condition	New
Usage	44 Miles
Duty Class	Medium Duty Service Truck
Horse Power	360 HP
Drivetrain	4x4
Transmission	6 Speed Automatic
Rear Axle	Single Axle
Stock Number	ADRB240527
MLS Number	12768139
Category	Mechanic / Utility / Service Trucks
Last Updated	10/9/2025
Location	Avondale, AZ, US
Sold By	Larry H. Miller Ford - Mesa

28 0

2024 RAM 5500 Tradesman Mechanic / Service Truck - 6 Speed Automatic

$69,795 USD

For Sale: New 2024 Ram 5500 Reg Cab 4x4 Diesel -- 12' Cadet Flatbed with Undermount ToolboxesStock#: ADRC240335Available now at Larry H. Miller Dodge Ram Avondale10101 W Papago Fwy, Avondale...

Condition	New
Usage	14 Miles
Duty Class	Medium Duty Service Truck
Horse Power	360 HP
Drivetrain	4x4
Transmission	6 Speed Automatic
Rear Axle	Single Axle
Stock Number	ADRC240335
MLS Number	12757790
Category	Mechanic / Utility / Service Trucks
Last Updated	10/9/2025
Location	Avondale, AZ, US
Sold By	Larry H. Miller Ford - Mesa

34 0

2024 RAM 5500 Tradesman Mechanic / Service Truck - 6 Speed Automatic

$69,795 USD

For Sale: New 2024 Ram 5500 Regular Cab 4x4 Diesel -- 11' CM Steel Service BodyStock#: ADRC240337Available now at Larry H. Miller Dodge Ram Avondale10101 W Papago Fwy, Avondale, AZVisit:...

Condition	New
Usage	10 Miles
Duty Class	Medium Duty Service Truck
Transmission	6 Speed Automatic
Stock Number	ADRC240337
MLS Number	12757789
Category	Mechanic / Utility / Service Trucks
Last Updated	10/3/2025
Location	Avondale, AZ, US
Sold By	Larry H. Miller Ford - Mesa

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17 0

2025 Peterbilt 536 Mechanic / Service Truck - Paccar, 325HP, 6 Speed Allison Rds Automatic

$271,950 USD

NEW PETERBILT 536 NON-CDL CRANE MECHANICS TRUCK. POWERED WITH PACCAR PX7 ENGINE AND ALLISON 3500 SERIES TRANSMISSION. 10K FRONT AXLE, 21K REAR AXLE, 154" WHEELBASE. 11' LONG HEAVY DUTY...

Condition	New
Usage	506 Miles
Duty Class	Medium Duty Service Truck
Bed Length	11 ft.
Horse Power	325 HP
Engine Model	Paccar PX7
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Trac
Rear Axle	Single Axle
Rear End	21,000 lb 6.14 ratio
MLS Number	13863111
Category	Mechanic / Utility / Service Trucks
Last Updated	10/2/2025
Location	Butler, PA, US
Sold By	Hunter Truck