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

26 - 50 of 167 listings

2018 Kenworth T370 Mechanic / Service Truck - Paccar, 350HP, 6 Speed Allison Rds Automatic

Newly Listed

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2018 Kenworth T370 Mechanics Truck, Paccar PX9 8.9L Turbo Diesel Engine, 350 HP, Engine Brake, Allison 3000RDS 6 Speed Transmission, ONLY 95,283 Miles 3,491 Engine Hours, 33K Lb. GVWR (12K...

Condition	Used
Usage	3,491 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 4.78 ratio
Stock Number	T18126D
MLS Number	14447352
Category	Mechanic / Utility / Service Trucks
Last Updated	6/24/2026
Location	Denver, CO, US
Sold By	DTI Trucks

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

2015 Chevrolet 3500 Mechanic / Service Truck - Service Utility Truck Body

Newly Listed

$32,500 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	4,936 Hours
Duty Class	Light Duty Service Truck
Upfit Type	Service Utility Truck Body
Bed Length	9 ft.
Engine Model	Chevy L96
Drivetrain	4x4
Transmission	6 Speed Automatic
Suspension	4 Spring
Rear Axle	Single Axle
Rear End	9,750 lb
Door Type	Swing
Stock Number	179427
MLS Number	14445041
Category	Mechanic / Utility / Service Trucks
Last Updated	6/23/2026
Location	Midvale, UT, US
Sold By	MTS Utah, Inc.

(844) 445-___ SHOW
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2007 Kenworth T300 Mechanic / Service Truck - Cummins, 260HP, 6 Speed Allison Rds Automatic

Newly Listed

$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

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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

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

$167,495 USD

New 2024 Ram 5500 Reg Cab 4x4 Diesel with an 11' Knapheide KMT1 Mechanics Body with a Stellar 8630 8K Crane work truck for sale. The sale price includes the crane truck and the crane. Stock#...

Condition	New
Usage	37 Miles
Duty Class	Medium Duty Service Truck
Transmission	6 Speed Automatic
Stock Number	ADRB241024
MLS Number	14417392
Category	Mechanic / Utility / Service Trucks
Last Updated	6/25/2026
Location	Avondale, AZ, US
Sold By	Larry H. Miller Ford - Mesa

(844) 231-___ SHOW
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2026 Peterbilt 536 Mechanic / Service Truck - Paccar, 300HP

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NEW SERVICETRUCK+CRANE, 300 HP PACCAR. Automatic transmission, 10000 lb Front Axle, 21000 lb Rear Axle, 156 WB.

Condition	New
Horse Power	300 HP
Engine Model	Paccar PX7 D
Drivetrain	4x2
Transmission	6 Speed
Suspension	Neway
Rear End	21,000 lb
Stock Number	TM789066
MLS Number	14439411
Category	Mechanic / Utility / Service Trucks
Last Updated	6/19/2026
Location	Kansas City, MO, US
Sold By	Custom Truck One Source

(844) 476-___ SHOW
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2026 Ford E-350 Mechanic / Service Truck - Knapheide KUV Medium Roof Enclosed Service Van Body

$66,995 USD

This Ford E-Series Cutaway delivers a Regular Unleaded V-8 7.3 L/445 engine powering this Automatic transmission. USER-DEFINED SWITCHES -inc: 4 upfitter switches on the instrument panel,...

Condition	New
Usage	5 Miles
Duty Class	Light Duty Service Truck
Upfit Type	KUV Medium Roof Enclosed Service Van Body
Upfit Make	Knapheide
Bed Length	11 ft.
Horse Power	325 HP
Engine Model	Ford 7.3L
Drivetrain	4x2
Transmission	6 Speed Autoshift Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	4.10 ratio
Stock Number	MFDB260029
MLS Number	13698303
Category	Mechanic / Utility / Service Trucks
Last Updated	6/24/2026
Location	Mesa, AZ, US
Sold By	Larry H. Miller Ford - Mesa

(844) 231-___ SHOW
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2009 Chevrolet Silverado 4x4 Gas Mechanic / Service Truck - Gm

At auction

2009 Chevy Silverado 4x4 Knapheide KUV Service Truck, 6.0L V-8, 135,292 Miles, 6L-90 6 Speed Automatic Overdrive Transmission, 3.73 Gear Ratio, 157" W.B. 265/75R16 Rubber, P/S A/C, Ladder...

Condition	Used
Usage	135,292 Miles
Horse Power	0 HP
Engine Model	6.0L V8
Transmission	6 Speed
Suspension	Spring
Stock Number	9E135614
MLS Number	14349613
Category	Mechanic / Utility / Service Trucks
Last Updated	6/25/2026
Location	Kansas City, MO, US
Listed By	Custom Truck One Source

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2025 Ford E-450 Mechanic / Service Truck - 7.3L, 325HP, 6 Speed Autoshift Automatic

$60,895 USD

This Ford E-Series Cutaway boasts a Regular Unleaded V-8 7.3 L/445 engine powering this Automatic transmission. VINYL FLOOR COVERING, USER-DEFINED SWITCHES -inc: 4 upfitter switches on the...

Condition	New
Usage	5 Miles
Duty Class	Light Duty Service Truck
Bed Length	11 ft.
Horse Power	325 HP
Engine Model	Ford 7.3L
Drivetrain	4x2
Transmission	6 Speed Autoshift Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	4.10 ratio
Stock Number	MFDB250606
MLS Number	13438242
Category	Mechanic / Utility / Service Trucks
Last Updated	6/24/2026
Location	Mesa, AZ, US
Sold By	Larry H. Miller Ford - Mesa

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2025 Ford E-450 Mechanic / Service Truck - 7.3L, 325HP, 6 Speed Autoshift Automatic

$60,895 USD

This Ford E-Series Cutaway boasts a Regular Unleaded V-8 7.3 L/445 engine powering this Automatic transmission. VINYL FLOOR COVERING, USER-DEFINED SWITCHES -inc: 4 upfitter switches on the...

Condition	New
Usage	5 Miles
Duty Class	Light Duty Service Truck
Bed Length	11 ft.
Horse Power	325 HP
Engine Model	Ford 7.3L
Drivetrain	4x2
Transmission	6 Speed Autoshift Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	4.10 ratio
Stock Number	MFDB250333
MLS Number	13364687
Category	Mechanic / Utility / Service Trucks
Last Updated	6/24/2026
Location	Mesa, AZ, US
Sold By	Larry H. Miller Ford - Mesa

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2019 Ford F-550 XL Mechanic / Service Truck - 6.7L POWER STROKE, 330HP, 6 Speed Automatic

$74,500 USD

CRANE! WELDER! COMPRESSOR! HOSE REELS! FORD F-550 DUALLY 4X4! 6.7L POWERSTROKE, STELLAR EC3200 CRANE, 2 BOOMS, 3200LBS @ 3' - 640LBS @ 15' MAX BOOM, REMOTE CONTROL FOR CRANE, VANAIR AIR/ARC,...

Condition	Used
Usage	155,926 Miles
Duty Class	Medium 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	14,700 lb
Stock Number	7298S
MLS Number	14384138
Category	Mechanic / Utility / Service Trucks
Last Updated	6/18/2026
Location	Houston, TX, US
Sold By	Southern Truck Sales Ltd

(855) 807-___ 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

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2023 GMC Sierra 2500 Mechanic / Service Truck - Chevrolet, 400HP, 6 Speed Automatic

$56,500 USD

2023 GMC 2500HD Service/Utility Truck, Gas, 4x4 Powertrain Chassis: 29,539 miles | 1002 Engine Hours, 6.6L L8T V8 with 400HP/464lbs-ft Torque, 6 Speed Automatic Transmission | 4x4,...

Condition	Used
Usage	29,539 Miles
Duty Class	Light Duty Service Truck
Horse Power	400 HP
Engine Model	L8T
Drivetrain	4x4
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	6,390 lb
Stock Number	T17831M
MLS Number	14356615
Category	Mechanic / Utility / Service Trucks
Last Updated	6/17/2026
Location	Wheat Ridge, CO, US
Sold By	DTI Trucks

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2015 FORD F550 SD XL Mechanic / Flatbed, Storage Comartments, Under Body Compartments, Knuckle-Boom Crane.

$22,900 USD

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

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

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2018 Kenworth T370 Conventional Day Cab, Mechanic / Service Truck.

$132,500 USD

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

Condition	Used
Usage	55,566 Miles
Duty Class	Heavy Duty Service Truck
Bed Length	14 ft.
Horse Power	300 HP
Engine Model	Paccar PX-9
Drivetrain	4x2
Transmission	6 Speed Allison RDS Automatic
Suspension	Leaf Springs
Rear Axle	Single Axle
Rear End	21,000 lb 5.57 ratio
Outriggers	Yes
Max Reach	28 ft
Lift Capacity	10000.00 Lb
Lift Capacity	5.00 Ton
Winch	Yes
Stock Number	210993
MLS Number	14284707
Category	Mechanic / Utility / Service Trucks
Last Updated	6/16/2026
Location	Midvale, UT, US
Sold By	MTS Utah, Inc.

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2018 INTERNATIONAL DURASTAR 4300 Mechanic, 10,000 pd Crane, Cummins ISB 6.7 L, Allison Auto, 325 H.P.

Price Drop $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.

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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

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2024 GMC 3500 Mechanic / Service Truck - Duramax, 470HP, 6 Speed Automatic

$67,500 USD

2024 GMC 3500 Service/Utility Truck, Diesel, 4x4 Powertrain Chassis: 14,287 Miles | 1,532 Hours, 6.6L Duramax V8 with 470HP/975lbs-ft, 6 Speed Automatic Transmission | 4x4, Hydraulic Brakes...

Condition	Used
Usage	14,287 Miles
Duty Class	Light Duty Service Truck
Horse Power	470 HP
Drivetrain	4x4
Transmission	6 Speed Automatic
Suspension	Spring
Rear End	7,250 lb
Stock Number	T18355M
MLS Number	14422356
Category	Mechanic / Utility / Service Trucks
Last Updated	6/12/2026
Location	Wheat Ridge, CO, US
Sold By	DTI Trucks

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2022 Chevrolet Silverado 3500 Mechanic / Service Truck - Duramax, 445HP, 6 Speed Automatic

$54,500 USD

2022 Chevrolet 3500HD Service/Utility Truck, Diesel, Auto, 4x4 Powertrain Chassis: 60528 miles, 6.6L Duramax V8 with 445HP/910lbs-ft Torque, 10 Speed Automatic Transmission | 4x4, Hydraulic...

Condition	Used
Usage	60,528 Miles
Duty Class	Light Duty Service Truck
Horse Power	445 HP
Engine Model	Duramax L5P 6.6L V8
Drivetrain	4x4
Transmission	6 Speed Automatic
Suspension	Spring
Rear Axle	Single Axle
Rear End	10,400 lb
Stock Number	T17810M
MLS Number	14356620
Category	Mechanic / Utility / Service Trucks
Last Updated	6/17/2026
Location	Wheat Ridge, CO, US
Sold By	DTI Trucks

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2019 RAM 5500 Mechanic / Service Truck - Cummins, 325HP

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

$289,500 USD

2027 Peterbilt 537 Mechanics Truck, Paccar PX9 Turbo Diesel Engine, 350 HP, Engine Brake, Allison 3000RDS 6 Speed Automatic Transmission, ONLY 670 Miles ONLY 19 Hours, 33K GVWR (12K Steer...

Condition	Used
Usage	19 Hours
Duty Class	Heavy Duty Service Truck
Bed Length	14 ft.
Horse Power	350 HP
Engine Model	Paccar PX9
Transmission	6 Speed Allison RDS Automatic
Suspension	Air Ride
Rear End	21,000 lb 4.89 ratio
Stock Number	T18074D
MLS Number	14418017
Category	Mechanic / Utility / Service Trucks
Last Updated	6/11/2026
Location	Thorton, CO, US
Sold By	DTI Trucks

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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	6/10/2026
Location	Chatham, VA, US
Sold By	J&J Truck Sales

(844) 305-___ SHOW
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2019 Kenworth T370 Mechanic / Service Truck - Paccar, 350HP, 6 Speed Allison Rds Automatic

$199,500 USD

2019 Kenworth T370 Mechanics Truck, Paccar Px9 8.9L Turbo Diesel Engine, 350 HP, Engine Brake, Allison 3000RDS 6 Speed Transmission, 138,222 Miles 5,347 Engine Hours, 33K Lb. GVWR (12K...

Condition	Used
Usage	5,347 Hours
Duty Class	Heavy Duty Service Truck
Bed Length	14 ft.
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 4.78 ratio
Stock Number	t18169d
MLS Number	14375050
Category	Mechanic / Utility / Service Trucks
Last Updated	6/10/2026
Location	Denver, CO, US
Sold By	DTI Trucks

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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	6/25/2026
Location	Union Grove, WI, US
Sold By	Custom Truck One Source

Condition	New
Usage	10 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	RG137537
MLS Number	13634629
Category	Mechanic / Utility / Service Trucks
Last Updated	6/25/2026
Location	Union Grove, WI, US
Sold By	Custom Truck One Source

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