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DTI Trucks 6 Speed Mechanic / Utility / Service Trucks For Sale

DTI Trucks - Medium Trucks
8955 West 44th Avenue
Wheat Ridge, CO 80033
United States
(833) 660-1653
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Showing 1 - 11 of 11 Service Truck Listings

1 - 11 of 11 listings
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Ford F-250 Mechanic / Service Truck - 383HP, 6 Speed Automatic

2018 Ford F-250 Mechanic / Service Truck - 383HP, 6 Speed Automatic

Newly Listed
$43,500 USD
2018 Ford F250 Crew Cab 8ft Pickup Truck Powertrain Chassis: 45,676 miles | 1979 Hours, 6.2L Gas V8 with 385HP/430lbs-ft | 4x4, 69R140 6 Speed Automatic Transmission | Locking Rear Diff,...
ConditionUsed
Usage1,979 Hours
Duty ClassLight Duty Service Truck
Horse Power383 HP
Drivetrain4x4
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End6,340 lb
Stock NumberT18047M
MLS Number14395166
CategoryMechanic / Utility / Service Trucks
Last Updated5/28/2026
Location
Wheat Ridge, CO, US
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Kenworth T370 Mechanic / Service Truck - Paccar, 350HP, 6 Speed Allison Rds Automatic

2019 Kenworth T370 Mechanic / Service Truck - Paccar, 350HP, 6 Speed Allison Rds Automatic

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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...
ConditionUsed
Usage5,347 Hours
Duty ClassHeavy Duty Service Truck
Bed Length14 ft.
Horse Power350 HP
Engine ModelPaccar PX9
Drivetrain4x2
Transmission6 Speed Allison RDS Automatic
SuspensionAir Ride
Rear AxleSingle Axle
Rear End21,000 lb 4.78 ratio
Stock Numbert18169d
MLS Number14375050
CategoryMechanic / Utility / Service Trucks
Last Updated5/27/2026
Location
Denver, CO, US
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Mack MD6 Mechanic / Service Truck - Cummins, 2935HP, 6 Speed Allison Rds Automatic

2024 Mack MD6 Mechanic / Service Truck - Cummins, 2935HP, 6 Speed Allison Rds Automatic

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2024 Mack MD Mechanics Truck, Cummins B6.7L Turbo Deisel Engine, 300HP, Engine Brake, Allison 6 Speed Automatic Transmission, 76,306 Miles 2,935 Engine Hours, 25,995 Lb. GVWR (12K Steer...
ConditionUsed
Usage2,935 Hours
Duty ClassMedium Duty Service Truck
Bed Length11 ft.
Horse Power2935 HP
Engine ModelCummins B6.7
Transmission6 Speed Allison RDS Automatic
SuspensionAir Ride
Rear AxleSingle Axle
Rear End21,000 lb 5.57 ratio
Stock NumberT18215D
MLS Number14372134
CategoryMechanic / Utility / Service Trucks
Last Updated5/23/2026
Location
Denver, CO, US
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Ford E-350 Mechanic / Service Truck - 7.3L, 300HP, 6 Speed Automatic

2024 Ford E-350 Mechanic / Service Truck - 7.3L, 300HP, 6 Speed Automatic

$59,500 USD
2024 Ford E350 Enclosed Service/Utility Truck, 7.3L Gas Powertrain Chassis: 369 Miles | 13 Hours, 7.3L Ford V8 with 300HP/425lbs-ft Torque, Torqshift 6 Speed Automatic Transmission | 4x2,...
ConditionUsed
Usage369 Miles
Duty ClassLight Duty Service Truck
Horse Power300 HP
Engine ModelFord 7.3L
Drivetrain4x2
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End10,400 lb
Stock NumberT18254M
MLS Number14364605
CategoryMechanic / Utility / Service Trucks
Last Updated5/13/2026
Location
Wheat Ridge, CO, US
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Chevrolet Silverado 3500 Mechanic / Service Truck - Duramax, 445HP, 6 Speed Automatic

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

$57,500 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...
ConditionUsed
Usage60,528 Miles
Duty ClassLight Duty Service Truck
Horse Power445 HP
Engine ModelDuramax L5P 6.6L V8
Drivetrain4x4
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End10,400 lb
Stock NumberT17810M
MLS Number14356620
CategoryMechanic / Utility / Service Trucks
Last Updated5/7/2026
Location
Wheat Ridge, CO, US
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GMC Sierra 2500 Mechanic / Service Truck - Chevrolet, 400HP, 6 Speed Automatic

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,...
ConditionUsed
Usage29,539 Miles
Duty ClassLight Duty Service Truck
Horse Power400 HP
Engine ModelL8T
Drivetrain4x4
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End6,390 lb
Stock NumberT17831M
MLS Number14356615
CategoryMechanic / Utility / Service Trucks
Last Updated5/7/2026
Location
Wheat Ridge, CO, US
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RAM 5500 Mechanic / Service Truck - Cummins, 360HP, 6 Speed Automatic

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

$139,500 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...
ConditionUsed
Usage1,858 Hours
Duty ClassMedium Duty Service Truck
Horse Power360 HP
Engine ModelCummins B6.7
Drivetrain4x4
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End13,500 lb
Stock NumberT17995D
MLS Number14140875
CategoryMechanic / Utility / Service Trucks
Last Updated4/25/2026
Location
Denver, CO, US
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RAM 5500 Mechanic / Service Truck - Cummins, 360HP, 6 Speed Automatic

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 289 Miles Only 10 Hours, 19.5 GVWR ( 7,250 LB Steer Axle,...
ConditionUsed
Usage10 Hours
Duty ClassMedium Duty Service Truck
Horse Power360 HP
Engine ModelCummins B6.7
Drivetrain4x4
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End13,500 lb 4.44 ratio
Stock NumberT18128D
MLS Number14299475
CategoryMechanic / Utility / Service Trucks
Last Updated4/9/2026
Location
Denver, CO, US
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Kenworth T370 Mechanic / Service Truck - 350HP, 6 Speed Allison Rds Automatic

2019 Kenworth T370 Mechanic / Service Truck - 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 Automatic Transmission, 126,465 ECM Verified Miles 7,440 ECM Verified...
ConditionUsed
Usage7,440 Hours
Duty ClassHeavy Duty Service Truck
Horse Power350 HP
Drivetrain4x2
Transmission6 Speed Allison RDS Automatic
SuspensionAir Ride
Rear AxleSingle Axle
Rear End22,000 lb 4.78 ratio
Stock NumberT18054D
MLS Number14265013
CategoryMechanic / Utility / Service Trucks
Last Updated4/7/2026
Location
Denver, CO, US
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RAM 5500 Mechanic / Service Truck - 360HP, 6 Speed Automatic

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...
ConditionUsed
Usage2,851 Hours
Duty ClassMedium Duty Service Truck
Bed Length11 ft.
Horse Power360 HP
Drivetrain4x4
Transmission6 Speed Automatic
SuspensionSpring
Rear AxleSingle Axle
Rear End13,500 lb 4.89 ratio
Stock NumberT18106D
MLS Number14263190
CategoryMechanic / Utility / Service Trucks
Last Updated3/24/2026
Location
Denver, CO, US
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Peterbilt 537 Mechanic / Service Truck - Paccar, 350HP, 6 Speed Allison Rds Automatic

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...
ConditionUsed
Usage28 Hours
Duty ClassHeavy Duty Service Truck
Horse Power350 HP
Engine ModelPaccar PX9
Drivetrain4x2
Transmission6 Speed Allison RDS Automatic
SuspensionAir Ride
Rear AxleSingle Axle
Rear End21,000 lb 4.89 ratio
Stock NumberT18033D
MLS Number14255570
CategoryMechanic / Utility / Service Trucks
Last Updated3/20/2026
Location
Denver, CO, US
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