6 Speed Mechanic / Utility / Service Trucks with Cummins Engines For Sale in United States

(844) 305-___ SHOW
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2019 Western Star 4700 Mechanic / Service Truck - Cummins, 300HP, 6 Speed Allison Rds Automatic

$125,900 USD

Single Axle, 11' Adkins Service Body w/24" Work Platform, IMT 10,000 Lb Crane, IMT CAS80R Hydraulic Air Compressor, Hydraulic Outriggers, Energizer 3000 Watt Power Inverter, Miller Bobcat...

Condition	Used
Usage	205,249 Miles
Duty Class	Heavy Duty Service Truck
Bed Length	11 ft.
Horse Power	300 HP
Engine Model	Cummins L9
Transmission	6 Speed Allison RDS Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	21,000 lb 5.38 ratio
Stock Number	KPKX5179
MLS Number	14391398
Category	Mechanic / Utility / Service Trucks
Last Updated	7/1/2026
Location	Chatham, VA, US
Sold By	J&J Truck Sales

(844) 954-___ SHOW
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2024 RAM 5500 Crew Cab Mechanic / Service Truck - Cummins, 360HP, Automatic

Contact for price

2024 RAM 5500 HD 174997, Engine: CUMMINS, Transmission: Automatic, Horsepower: 360.0, Key Features:, , BoxCar Pro 55, , Curb side reinforced crane box rated at 55,000 ft/pds will handle the...

Condition	New
Usage	22 Miles
Duty Class	Medium Duty Service Truck
Horse Power	360 HP
Drivetrain	4x4
Transmission	6 Speed Automatic
Rear Axle	Single Axle
Stock Number	174997
MLS Number	13470296
Category	Mechanic / Utility / Service Trucks
Last Updated	6/15/2026
Location	Fairfield, TX, US
Sold By	Service Truck Depot

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2015 Ford F-750 XLT Mechanic / Service Truck - Cummins, 250HP, 6 Speed Automatic

2017 Kenworth T370 Mechanic / Service Truck - Cummins, 300HP, 6 Speed Allison Rds Automatic

Newly Listed

$89,500 USD

Single Axle, 11' CASECO Service Body, Stellar 12630 Crane (12,000 Capacity), Wireless Remote, VANAIR RC40 Hydraulic Air Compressor, Hydraulic Outriggers, (15) 21" Drawers, (2) 41" Drawers, 2...

Condition	Used
Usage	15,638 Hours
Duty Class	Medium Duty Service Truck
Bed Length	11 ft.
Horse Power	300 HP
Engine Model	Cummins ISB6.7
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Ride
Rear Axle	Single Axle
Rear End	16,000 lb 5.57 ratio
Stock Number	HM143223
MLS Number	14450786
Category	Mechanic / Utility / Service Trucks
Last Updated	6/25/2026
Location	Chatham, VA, US
Sold By	J&J Truck Sales

(855) 653-___ SHOW
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2007 Kenworth T300 Mechanic / Service Truck - Cummins, 260HP, 6 Speed Allison Rds Automatic

$84,500 USD

2007 Kenworth T300 Mechanics Truck, Cummins ISC 8.3L Turbo Diesel Engine, 260 HP, Exhaust Brake, Allison 3000 RDS 6 Speed Automatic Transmission, 243,156 ECM Verified Miles, 33K Lbs. GVWR,...

Condition	Used
Usage	243,156 Miles
Duty Class	Heavy Duty Service Truck
Bed Length	14 ft.
Horse Power	260 HP
Engine Model	Cummins ISC260
Drivetrain	4x2
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Ride
Rear Axle	Single Axle
Rear End	21,000 lb 4.88 ratio
Stock Number	T18203D
MLS Number	14444385
Category	Mechanic / Utility / Service Trucks
Last Updated	6/23/2026
Location	Thorton, CO, US
Sold By	DTI Trucks

(833) 660-___ SHOW
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2024 RAM 2500 Mechanic / Service Truck - Cummins, 370HP, 6 Speed Automatic

$52,500 USD

2024 Ram 2500 Service/Utility, Diesel, Auto, 4x4 Powertrain Chassis: 68,601 Miles | 2,361Hours, Cummins B6.7, 370HP/850lbs-ft, 6-Speed 68RFE Transmission | 4x4, Exhaust Brake | Tow/Haul...

Condition	Used
Usage	68,601 Miles
Duty Class	Light Duty Service Truck
Horse Power	370 HP
Drivetrain	4x4
Transmission	6 Speed Automatic
Rear Axle	Single Axle
Rear End	6,040 lb
Stock Number	T18345M
MLS Number	14442304
Category	Mechanic / Utility / Service Trucks
Last Updated	6/20/2026
Location	Wheat Ridge, CO, US
Sold By	DTI Trucks

(833) 660-___ SHOW
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2023 RAM 2500 Mechanic / Service Truck - Cummins, 370HP, 6 Speed Automatic

$44,500 USD

2023 Ram 2500 Service/Utility, Diesel, Auto, 4x4 Powertrain Chassis: 88,050 Miles, Cummins B6.7, 370HP/850lbs-ft, 6-Speed 68RFE Transmission | 4x4, Exhaust Brake | Tow/Haul Mode, Hydraulic...

Condition	Used
Usage	88,050 Miles
Duty Class	Light Duty Service Truck
Horse Power	370 HP
Drivetrain	4x4
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	6,040 lb
Stock Number	T18344M
MLS Number	14434706
Category	Mechanic / Utility / Service Trucks
Last Updated	6/17/2026
Location	Wheat Ridge, CO, US
Sold By	DTI Trucks

(844) 445-___ SHOW
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2018 INTERNATIONAL DURASTAR 4300 Mechanic, 10,000 pd Crane, Cummins ISB 6.7 L, Allison Auto, 325 H.P.

$79,900 USD

~ Exceptional values available until June 30th, 2026.~ Pricing is subject to modification. Dealer Doc Fee: $ 290, Sales tax and licensing fees are applicable within the state of...

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	6/16/2026
Location	Midvale, UT, US
Sold By	MTS Utah, Inc.

(833) 660-___ SHOW
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2024 RAM 3500 Mechanic / Service Truck - Cummins, 370HP, 6 Speed Automatic

$58,500 USD

2024 Ram 3500 Service/Utility, Diesel, Auto, 4x4 Powertrain Chassis: 68,646 Miles | 2,245 Hours, Cummins B6.7, 370HP/850lbs-ft, 6-Speed 68RFE Transmission | 4x4, Exhaust Brake | Tow/Haul...

Condition	Used
Usage	68,646 Miles
Duty Class	Light Duty Service Truck
Horse Power	370 HP
Drivetrain	4x4
Transmission	6 Speed Automatic
Rear Axle	Single Axle
Rear End	9,750 lb
Stock Number	T18348M
MLS Number	14425735
Category	Mechanic / Utility / Service Trucks
Last Updated	6/13/2026
Location	Wheat Ridge, CO, US
Sold By	DTI Trucks

(855) 699-___ SHOW
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2019 RAM 5500 Mechanic / Service Truck - Cummins, 325HP

$79,500 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	6/18/2026
Location	Houston, TX, US
Sold By	Custom Truck One Source

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2024 RAM 5500 Mechanic / Service Truck - Cummins, 360HP, 6 Speed Automatic

$169,500 USD

2024 RAM 5500HD 4X4 Mechanics Truck, 6.7L Cummins Turbo Diesel Engine, 360 HP, Exhaust Brake, 6 Speed Automatic Transmission, ONLY 289 Miles Only 10 Hours, 19.5 GVWR ( 7,250 LB Steer Axle,...

Condition	Used
Usage	10 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	T18128D
MLS Number	14299475
Category	Mechanic / Utility / Service Trucks
Last Updated	6/10/2026
Location	Denver, CO, US
Sold By	DTI Trucks

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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	6/10/2026
Location	Denver, CO, US
Sold By	DTI Trucks

(724) 243-___ SHOW
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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!!, Ask about our financing, and extended warranty options, **ALL USED TRUCKS ARE SOLD...

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	6/10/2026
Location	Smithfield, PA, US
Sold By	Hunter Truck

(724) 243-___ SHOW
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2016 Freightliner M2 106 Mechanic / Service Truck - Cummins, 240HP, 6 Speed Allison Rds Automatic

$57,900 USD

11' Service Body, Miller ENPAK Rotary Screw Air Compressor, IMT 8600-22 Crane with Remote, Very nice used unit, Serviced and DOT'D, Ask about our financing, and extended warranty options,...

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	6/10/2026
Location	Smithfield, PA, US
Sold By	Hunter Truck

2026 Freightliner 108SD Mechanic / Service Truck - Cummins, 300HP

$309,995 USD

Owning a Freightliner 108SD 4x2 IMT 10/72SL K3 hi-rail section truck provides a versatile and efficient solution for rail maintenance, service, and material handling operations. Built on the...

Condition	New
Horse Power	300 HP
Engine Model	Cummins L9 D
Drivetrain	4x2
Transmission	6 Speed
Rear End	21,000 lb
Stock Number	THWU2790
MLS Number	14413166
Category	Mechanic / Utility / Service Trucks
Last Updated	6/24/2026
Location	Kansas City, MO, US
Sold By	Custom Truck One Source

2026 Freightliner 108SD Mechanic / Service Truck - Cummins, 300HP

$309,995 USD

Owning a Freightliner 108SD 4x2 IMT 10/72SL K3 hi-rail section truck provides a versatile and efficient solution for rail maintenance, service, and material handling operations. Built on the...

Condition	New
Horse Power	300 HP
Engine Model	Cummins L9 D
Drivetrain	4x2
Transmission	6 Speed
Rear End	21,000 lb
Stock Number	THWU2789
MLS Number	14413165
Category	Mechanic / Utility / Service Trucks
Last Updated	6/24/2026
Location	Kansas City, MO, US
Sold By	Custom Truck One Source

2027 Freightliner M2 106 Mechanic / Service Truck - Cummins, 330HP

$245,780 USD

NEW SERVICETRUCK+CRANE, 330 HP CUMMINS. Automatic transmission, 12000 lb Front Axle, 21000 lb Rear Axle, 218 WB.

Condition	New
Horse Power	330 HP
Engine Model	Cummins L9 D
Drivetrain	4x2
Transmission	6 Speed
Rear End	21,000 lb
Stock Number	VDWY0485
MLS Number	14411180
Category	Mechanic / Utility / Service Trucks
Last Updated	6/6/2026
Location	Kansas City, MO, US
Sold By	Custom Truck One Source

2027 Freightliner M2 106 Mechanic / Service Truck - Cummins, 330HP

$245,780 USD

NEW SERVICETRUCK+CRANE, 330 HP CUMMINS. Automatic transmission, 12000 lb Front Axle, 21000 lb Rear Axle, 218 WB.

Condition	New
Horse Power	330 HP
Engine Model	Cummins L9 D
Drivetrain	4x2
Transmission	6 Speed
Rear End	21,000 lb
Stock Number	VDWY0499
MLS Number	14407975
Category	Mechanic / Utility / Service Trucks
Last Updated	6/4/2026
Location	Kansas City, MO, US
Sold By	Custom Truck One Source

2027 Freightliner M2 106 Mechanic / Service Truck - Cummins, 330HP

$237,195 USD

Owning a Freightliner M2106 4x2 IMT 12600-27 service truck provides a dependable and efficient solution for heavy-duty field service and maintenance operations. Built on the reliable M2106...

Condition	New
Horse Power	330 HP
Engine Model	Cummins L9 D
Drivetrain	4x2
Transmission	6 Speed
Rear End	21,000 lb
Stock Number	VDWY0474
MLS Number	14404295
Category	Mechanic / Utility / Service Trucks
Last Updated	6/3/2026
Location	Kansas City, MO, US
Sold By	Custom Truck One Source

2027 Freightliner M2 106 Mechanic / Service Truck - Cummins, 330HP

$237,195 USD

Owning a Freightliner M2106 4x2 IMT 12600-27 service truck provides a dependable and efficient solution for heavy-duty field service and maintenance operations. Built on the reliable M2106...

Condition	New
Horse Power	330 HP
Engine Model	Cummins L9 D
Drivetrain	4x2
Transmission	6 Speed
Rear End	21,000 lb
Stock Number	VDWY0473
MLS Number	14404294
Category	Mechanic / Utility / Service Trucks
Last Updated	6/3/2026
Location	Kansas City, MO, US
Sold By	Custom Truck One Source

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2019 RAM 5500 Mechanic / Service Truck - Cummins, 360HP

$71,120 USD

2019 Dodge Ram 5500 4x4 IMT DOM1SIII + 7500 Service Truck, Cummins 6.7@360 H.P. 122,055 Miles and 4,097 Hours, Aisin AS69RD HD 6 Speed Automatic Overdrive Transmission, 19,500 L.B. GVWR, 168...

Condition	Used
Usage	122,055 Miles
Horse Power	360 HP
Engine Model	Cummins 6.7L Turbocharged
Drivetrain	4x4
Transmission	6 Speed
Suspension	Spring
Rear End	13,500 lb
Stock Number	KG621441
MLS Number	14402000
Category	Mechanic / Utility / Service Trucks
Last Updated	6/3/2026
Location	Houston, TX, US
Sold By	Custom Truck One Source

2027 Freightliner M2 106 Mechanic / Service Truck - Cummins, 330HP

$237,195 USD

Owning a Freightliner M2106 4x2 IMT 12600-27 service truck provides a dependable and efficient solution for heavy-duty field service and maintenance operations. Built on the reliable M2106...

Condition	New
Horse Power	330 HP
Engine Model	Cummins L9 D
Drivetrain	4x2
Transmission	6 Speed
Rear End	21,000 lb
Stock Number	VDWY0475
MLS Number	14380281
Category	Mechanic / Utility / Service Trucks
Last Updated	6/4/2026
Location	Kansas City, MO, US
Sold By	Custom Truck One Source

2027 Freightliner M2 106 Mechanic / Service Truck - Cummins, 330HP

$237,195 USD

Owning a Freightliner M2106 4x2 IMT 12600-27 service truck provides a dependable and efficient solution for heavy-duty field service and maintenance operations. Built on the reliable M2106...

Condition	New
Horse Power	330 HP
Engine Model	Cummins L9 D
Drivetrain	4x2
Transmission	6 Speed
Rear End	21,000 lb
Stock Number	VDWY0472
MLS Number	14380279
Category	Mechanic / Utility / Service Trucks
Last Updated	6/4/2026
Location	Kansas City, MO, US
Sold By	Custom Truck One Source

2027 Freightliner M2 106 Mechanic / Service Truck - Cummins, 330HP

$237,195 USD

Owning a Freightliner M2106 4x2 IMT 12600-27 service truck provides a dependable and efficient solution for heavy-duty field service and maintenance operations. Built on the reliable M2106...

Condition	New
Horse Power	330 HP
Engine Model	Cummins L9 D
Drivetrain	4x2
Transmission	6 Speed
Rear End	21,000 lb
Stock Number	VDWY0471
MLS Number	14380278
Category	Mechanic / Utility / Service Trucks
Last Updated	6/4/2026
Location	Kansas City, MO, US
Sold By	Custom Truck One Source