6 Speed Mechanic / Utility / Service Trucks with Cummins Engines For Sale by Dealerships

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

Newly Listed

$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

2015 Ford F-750 XLT Mechanic / Service Truck - Cummins, 300HP, Automatic

2025 Freightliner M2 106 Mechanic / Service Truck - Cummins, 330HP

Newly Listed

$234,195 USD

Ready to work today! This Freightliner M2106 4x2 IMT DOM3 Service Truck delivers the power, payload, and performance you need. The 330 HP Cummins L9D engine and automatic transmission give...

Condition	New
Horse Power	330 HP
Engine Model	Cummins L9 D
Drivetrain	4x2
Transmission	6 Speed
Rear End	21,000 lb
Stock Number	SDWD9727
MLS Number	14123610
Category	Mechanic / Utility / Service Trucks
Last Updated	2/4/2026
Location	Kansas City, MO, US
Sold By	Custom Truck One Source

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

2024 RAM 5500 Mechanic / Service Truck - Cummins, 370HP

$109,673 USD

The RAM 5500 4x4 Crew Cab Flatbed Manhauler Truck is built for durability and efficiency on demanding job sites. Powered by a 370 HP diesel engine with a 6-speed automatic transmission, it...

Condition	New
Usage	42 Miles
Horse Power	370 HP
Engine Model	Cummins 6.7L D
Drivetrain	4x4
Transmission	6 Speed
Suspension	Spring
Rear End	13,500 lb
Stock Number	RG137525
MLS Number	12591090
Category	Mechanic / Utility / Service Trucks
Last Updated	1/31/2026
Location	Union Grove, WI, US
Sold By	Custom Truck One Source

(844) 435-___ 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

2007 Peterbilt 335 Mechanic / Service Truck Stellar 10628

Price Drop $74,500 USD

***Blow out sale Cash Price*** Was $79,750.00*** This 2007 Peterbilt 335 comes with a Cummins ISC, 240 HP, Eaton Mid Range Transmission, Synchro-6. (FS06406A) DANA SPICER S23-170 REAR...

Condition	Used
Usage	14,777 Hours
Duty Class	Heavy Duty Service Truck
Bed Length	14 ft.
Horse Power	240 HP
Engine Model	Cummins ISC
Drivetrain	4x2
Transmission	6 Speed Manual
Suspension	Air Leaf
Rear Axle	Single Axle
Rear End	20,000 lb 4.10 ratio
Door Type	Swing
Outriggers	Yes
Max Reach	28 ft
Winch	Yes
Stock Number	698458
MLS Number	14111527
Category	Mechanic / Utility / Service Trucks
Last Updated	1/30/2026
Location	Midvale, UT, US
Sold By	MTS Utah, Inc.

2012 Freightliner M2106 Mechanic / Service Truck, LOW MILES 45K!!!

$64,500 USD

***Blow out sale Cash Price*** Was $69,500.00*** 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...

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	1/30/2026
Location	Midvale, UT, US
Sold By	MTS Utah, Inc.

2013 RAM 5500 4x4 Mechanic / Service Truck - IMT 7500 Crane, Outriggers, Shelving Package, Compressor and more!

Price Drop $49,750 USD

***Blow out sale Cash Price*** Was $54,570.00*** This 2013 Dodge RAM 5500HD 4WD mechanics truck is for sale! Equipped with Cummins 6.7 L, Exhaust brake, Automatic transmission, Dom1 11'...

Condition	Used
Usage	222,124 Miles
Duty Class	Medium Duty Service Truck
Upfit Make	IMT
Upfit Model	7500
Bed Length	11 ft.
Horse Power	325 HP
Engine Model	Cummins 6.7 L
Drivetrain	4x4
Transmission	6 Speed Ultrashift Automatic
Suspension	4 Spring
Rear Axle	Single Axle
Rear End	13,500 lb 4.88 ratio
Door Type	Swing
Outriggers	Yes
Max Reach	22 ft
Lift Capacity	7500.00 Lb
Winch	Yes
Stock Number	528500
MLS Number	13853581
Category	Mechanic / Utility / Service Trucks
Last Updated	1/30/2026
Location	Midvale, UT, US
Sold By	MTS Utah, Inc.

2018 INTERNATIONAL DURASTAR 4300 Mechanic/Service Truck - MAINTANER Body and Crane, Fully Equipped.

$84,500 USD

***Blow out sale*** Was $87,500.00*** AVAILABLE NOW!This is a 2018 International 4300 DuraStar mechanic's truck equipped with a Cummins ISB 6.7 L engine, 325 H.P. Allison Automatic...

Condition	Used
Usage	9,909 Hours
Duty Class	Heavy Duty Service Truck
Upfit Make	MAINTANER
Bed Length	14 ft.
Engine Model	Cummins B 6.7
Drivetrain	4x2
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Leaf
Rear Axle	Single Axle
Rear End	20,000 lb
Door Type	Swing
Outriggers	Yes
Winch	Yes
Stock Number	595067
MLS Number	13859521
Category	Mechanic / Utility / Service Trucks
Last Updated	1/30/2026
Location	Midvale, UT, US
Sold By	MTS Utah, Inc.

2024 RAM 5500 Mechanic / Service Truck - Cummins, 370HP

$109,673 USD

The RAM 5500 4x4 Crew Cab Flatbed Manhauler Truck is built for durability and efficiency on demanding job sites. Powered by a 370 HP diesel engine with a 6-speed automatic transmission, it...

Condition	New
Horse Power	370 HP
Engine Model	Cummins 6.7L D
Drivetrain	4x4
Transmission	6 Speed
Suspension	Spring
Rear End	13,500 lb
Stock Number	RG152329
MLS Number	12592294
Category	Mechanic / Utility / Service Trucks
Last Updated	1/31/2026
Location	St Paul, MN, US
Sold By	Custom Truck One Source

(855) 653-___ SHOW
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2015 RAM 5500 Mechanic / Service Truck - Cummins, 325HP, 6 Speed Automatic

$109,500 USD

2015 Ram 5500 4X4 Mechanics Truck, 6.7L Cummins Turbo Diesel Engine, 325 HP, 6 Speed Automatic Transmission, 108,897 Miles 4,463 Engine Hours, 19.5K GVWR (7K Steer Axle, 13.5K Drive Axle),...

Condition	Used
Usage	4,463 Hours
Duty Class	Medium Duty Service Truck
Horse Power	325 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	T17885D
MLS Number	14114378
Category	Mechanic / Utility / Service Trucks
Last Updated	1/31/2026
Location	Denver, CO, US
Sold By	DTI Trucks

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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

2019 RAM 5500 Mechanic / Service Truck - Cummins, 330HP

$81,500 USD

2019 RAM 5500 4x4, 119,078 Miles, 19,500 Lbs. GVWR, 7,250 Lbs. FAWR, 13,500 Lbs. RAWR, Cummins 6.7L Engine, 360 Horsepower, Automatic Transmission 2020 IMT 6000 Service Crane, 6,000 Lbs....

Condition	Used
Usage	119,078 Miles
Horse Power	330 HP
Engine Model	Cummins 6.7L D
Drivetrain	4x4
Transmission	6 Speed
Suspension	Spring
Rear End	13,500 lb
Stock Number	KG646266
MLS Number	13105835
Category	Mechanic / Utility / Service Trucks
Last Updated	1/23/2026
Location	Oklahoma City, OK, US
Sold By	Custom Truck One Source

(855) 699-___ SHOW
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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

(855) 699-___ SHOW
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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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2018 Kenworth T370 Mechanic / Service Truck - Cummins, 350HP, 6 Speed Allison Rds Automatic

$159,500 USD

2018 Kenworth T370 Mechanics Truck, Paccar PX9 8.9L Turbo Diesel Engine, 350 HP, Engine Brake, Allison 6 Speed Automatic Transmission, 171,529 ECM Verified Miles 6,554 ECM Verified Engine...

Condition	Used
Usage	6,554 Hours
Duty Class	Heavy Duty Service Truck
Horse Power	350 HP
Engine Model	Cummins ISL
Drivetrain	4x2
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Ride
Rear Axle	Single Axle
Rear End	21,000 lb 5.29 ratio
Stock Number	T17884D
MLS Number	14105541
Category	Mechanic / Utility / Service Trucks
Last Updated	1/22/2026
Location	Denver, CO, US
Sold By	DTI Trucks

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2018 Kenworth T270 Mechanic / Service Truck - Cummins, 300HP, 6 Speed Allison Rds Automatic

$89,900 USD

Ready to work mechanic's truck!, DOT'd PM'd, Freshly detailed!, Cummins power and Allison Transmission!!,

Condition	Used
Usage	8,181 Hours
Duty Class	Medium Duty Service Truck
Horse Power	300 HP
Engine Model	Cummins B6.7
Drivetrain	4x2
Transmission	6 Speed Allison RDS Automatic
Suspension	Spring
Rear Axle	Single Axle
Stock Number	285164
MLS Number	14068012
Category	Mechanic / Utility / Service Trucks
Last Updated	1/22/2026
Location	Smithfield, PA, US
Sold By	Hunter Truck

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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	1/16/2026
Location	Smithfield, PA, US
Sold By	Hunter Truck

(855) 804-___ SHOW
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2018 International DuraStar 4300 Mechanic / Service Truck - Cummins, 260HP, 6 Speed Allison Rds Automatic

$52,500 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	1/16/2026
Location	Chatham, VA, US
Sold By	Atkinson Truck Sales

(844) 305-___ SHOW
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2018 International DuraStar 4300 Mechanic / Service Truck - Cummins, 260HP, 6 Speed Automatic

$52,500 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	1/16/2026
Location	Chatham, VA, US
Sold By	J&J Truck Sales

2018 RAM 5500 Mechanic / Service Truck - Cummins, 350HP

At auction

2018 Dodge 5500 Diesel 4x4 Auto Crane HC-7 Service Truck, Cummins 6.7@350 H.P. "ENGINE ISSUES" See Quote, 165,035 Miles, 6 Speed Automatic Overdrive Transmission, 19,500 L.B. GVWR, 169" W.B....

Condition	Used
Usage	165,035 Miles
Horse Power	350 HP
Engine Model	Cummins 6.7L I6 Turbo Diesel
Drivetrain	4x4
Transmission	6 Speed
Suspension	Spring
Rear End	13,500 lb
Stock Number	JG279829
MLS Number	14001299
Category	Mechanic / Utility / Service Trucks
Last Updated	1/17/2026
Location	Kansas City, MO, US
Listed By	Custom Truck One Source

2024 RAM 5500 Mechanic / Service Truck - Cummins, 370HP

$109,673 USD

The RAM 5500 4x4 Crew Cab Flatbed Manhauler Truck is built for durability and efficiency on demanding job sites. Powered by a 370 HP diesel engine with a 6-speed automatic transmission, it...

Condition	New
Usage	19 Miles
Horse Power	370 HP
Engine Model	Cummins 6.7L D
Drivetrain	4x4
Transmission	6 Speed
Suspension	Spring
Rear End	13,500 lb
Stock Number	RG152270
MLS Number	12591094
Category	Mechanic / Utility / Service Trucks
Last Updated	1/13/2026
Location	Union Grove, WI, US
Sold By	Custom Truck One Source

2024 RAM 5500 Mechanic / Service Truck - Cummins, 370HP

$109,673 USD

The RAM 5500 4x4 Crew Cab Flatbed Manhauler Truck is built for durability and efficiency on demanding job sites. Powered by a 370 HP diesel engine with a 6-speed automatic transmission, it...

Condition	New
Usage	25 Miles
Horse Power	370 HP
Engine Model	Cummins 6.7L D
Drivetrain	4x4
Transmission	6 Speed
Suspension	Spring
Rear End	13,500 lb
Stock Number	RG137528
MLS Number	13634620
Category	Mechanic / Utility / Service Trucks
Last Updated	1/13/2026
Location	Union Grove, WI, US
Sold By	Custom Truck One Source