New 18 Speed Trucks with Detroit Engines For Sale

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1-20 of 20 results
1-20 of 20 results
Western Star 57X Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 505HP, 18 Speed Dt12 Amt
14 0

2024 Western Star 57X Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 505HP, 18 Speed Dt12 Amt

Recently Updated
$199,500 USD
2100 Miles, Engine: DETROIT DD15, 505 HP, Fuel Type: Diesel, 18 Speed DT12 AMT Transmission, Drive: 6x4, Sleeper Type: Raised Roof Sleeper, Sleeper Size: 72, Tandem Rear Axles
ConditionNew
Usage2,100 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power505 HP
Engine ModelDetroit DD15
Drivetrain6x4
Transmission18 Speed Detroit DT12 Automated
Sleeper TypeRaised Roof Sleeper
Sleeper Size72"
Rear AxleTandem Axle
Stock Number107877
MLS Number13178592
CategorySleeper Semi Trucks
Last Updated12/19/2024
Location
Louisville, KY, US
Sold By

Boyd Truck Centers

Western Star 49X Day Cab Truck - Detroit 600HP, 18 Speed Manual
8 0

2025 Western Star 49X Day Cab Truck - Detroit 600HP, 18 Speed Manual

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1355 Miles, Engine: DETROIT DD16, 600 HP, Fuel Type: Diesel, 18 Speed Manual Transmission, Drive: 6x4, Air Ride Suspension, Wheels: Aluminum, Wheel Base: 224, Tandem Rear Axles, Rear Axle...
ConditionNew
Usage1,355 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power600 HP
Engine ModelDetroit DD16
Drivetrain6x4
Transmission18 Speed Manual
SuspensionAir Ride
Rear AxleTandem Axle
Rear End46,000 lb 3.73 ratio
Stock NumberWS4911
MLS Number13275568
CategoryDay Cab Semi Trucks
Last Updated12/7/2024
Location
Fort Kent, ME, US
Sold By

Freightliner of Maine

Western Star 49X Day Cab Truck - Detroit 600HP, 18 Speed Manual
10 0

2025 Western Star 49X Day Cab Truck - Detroit 600HP, 18 Speed Manual

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1323 Miles, Engine: DETROIT DD16, 600 HP, Fuel Type: Diesel, 18 Speed Manual Transmission, Drive: 6x4, Air Ride Suspension, Wheels: Aluminum, Wheel Base: 224, Tandem Rear Axles, Rear Axle...
ConditionNew
Usage1,323 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power600 HP
Engine ModelDetroit DD16
Drivetrain6x4
Transmission18 Speed Manual
SuspensionAir Ride
Rear AxleTandem Axle
Rear End46,000 lb
Stock NumberWS4919
MLS Number13275564
CategoryDay Cab Semi Trucks
Last Updated12/7/2024
Location
Fort Kent, ME, US
Sold By

Freightliner of Maine

Western Star 49X Tri Axle Day Cab Truck - Detroit 600HP, 18 Speed Manual
18 0

2025 Western Star 49X Tri Axle Day Cab Truck - Detroit 600HP, 18 Speed Manual

$215,000 USD
2025 Western Star 49x Heavy Haul, Western Star 49x, Detroit DD16-600HP/2050TQ, 18spd manual transmission, 20k front axle, 20k rigid non steer pusher axle, 46k rear axle, 72” heavy duty...
ConditionNew
Usage500 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power600 HP
Engine ModelDetroit DD16
Drivetrain8x4
Transmission18 Speed Manual
SuspensionAir Ride
Rear AxleTri Axle
Rear End66,000 lb 3.91 ratio
MLS Number13178614
CategoryDay Cab Semi Trucks
Last Updated12/3/2024
Location
Louisville, KY, US
Sold By

Boyd Truck Centers

Western Star 49X Sleeper Semi Truck - Flat Top Sleeper, Detroit 600HP, 18 Speed Manual
11 0

2025 Western Star 49X Sleeper Semi Truck - Flat Top Sleeper, Detroit 600HP, 18 Speed Manual

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984 Miles, Engine: DETROIT DD16, 600 HP, Fuel Type: Diesel, 18 Speed Manual Transmission, Drive: 6x4, Air Ride Suspension, Sleeper Type: Flat Top Sleeper, Wheels: Aluminum, Wheel Base: 250,...
ConditionNew
Usage984 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power600 HP
Engine ModelDetroit DD16
Drivetrain6x4
Transmission18 Speed Manual
Sleeper TypeFlat Top Sleeper
SuspensionAir Ride
Rear AxleTandem Axle
Rear End46,000 lb
Stock NumberWS4880
MLS Number13117974
CategorySleeper Semi Trucks
Last Updated11/28/2024
Location
Bangor, ME, US
Sold By

Freightliner of Maine

Western Star 49X Day Cab Truck - Detroit 600HP, 18 Speed Manual
11 0

2025 Western Star 49X Day Cab Truck - Detroit 600HP, 18 Speed Manual

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7 Miles, Engine: DETROIT DD16, 600 HP, Fuel Type: Diesel, 18 Speed Manual Transmission, Drive: 6x4, Air Ride Suspension, Wheels: Aluminum, Wheel Base: 226, Tandem Rear Axles, Rear Axle...
ConditionNew
Usage7 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power600 HP
Engine ModelDetroit DD16
Drivetrain6x4
Transmission18 Speed Manual
SuspensionAir Ride
Rear AxleTandem Axle
Rear End46,000 lb
Stock NumberWS4903
MLS Number13061454
CategoryDay Cab Semi Trucks
Last Updated11/28/2024
Location
Bangor, ME, US
Sold By

Freightliner of Maine

Western Star 49X Sleeper Semi Truck - Flat Top Sleeper, Detroit 600HP, 18 Speed Manual
15 0

2025 Western Star 49X Sleeper Semi Truck - Flat Top Sleeper, Detroit 600HP, 18 Speed Manual

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1085 Miles, Engine: DETROIT DD16, 600 HP, Fuel Type: Diesel, 18 Speed Manual Transmission, Drive: 6x4, Air Ride Suspension, Sleeper Type: Flat Top Sleeper, Wheels: Aluminum, Wheel Base: 250,...
ConditionNew
Usage1,085 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power600 HP
Engine ModelDetroit DD16
Drivetrain6x4
Transmission18 Speed Manual
Sleeper TypeFlat Top Sleeper
SuspensionAir Ride
Rear AxleTandem Axle
Rear End46,000 lb
Stock NumberWS4873
MLS Number13051483
CategorySleeper Semi Trucks
Last Updated11/28/2024
Location
Bangor, ME, US
Sold By

Freightliner of Maine

Western Star 49X Day Cab Truck - Detroit 600HP, 18 Speed Manual
9 0

2025 Western Star 49X Day Cab Truck - Detroit 600HP, 18 Speed Manual

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Rugged, Reliable, and Ready to work for YOU. With its heavy duty frame, advanced suspension system, and cutting-edge technology, the 49X is built for both on road and off road capabilities
ConditionNew
Usage7 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power600 HP
Engine ModelDetroit DD16
Drivetrain6x4
Transmission18 Speed Manual
SuspensionAirLiner
Rear AxleTandem Axle
Stock NumberWS4914
MLS Number13232020
CategoryDay Cab Semi Trucks
Last Updated11/26/2024
Location
Bangor, ME, US
Sold By

Freightliner of Maine

Western Star 49X Sleeper Semi Truck - Flat Top Sleeper, Detroit 600HP, 18 Speed Manual
7 0

2025 Western Star 49X Sleeper Semi Truck - Flat Top Sleeper, Detroit 600HP, 18 Speed Manual

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This Western Star 49X Sleeper is a rugged, top-tier heavy-duty truck designed for long hauls and demanding jobs. This model features a sleek maroon exterior accented with bold silver stripes...
ConditionNew
Usage1,200 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power600 HP
Engine ModelDetroit DD16
Drivetrain6x4
Transmission18 Speed Manual
Sleeper TypeFlat Top Sleeper
SuspensionAirLiner
Rear AxleTandem Axle
Stock NumberWS4883
MLS Number13250587
CategorySleeper Semi Trucks
Last Updated11/27/2024
Location
Houlton, ME, US
Sold By

Freightliner of Maine

Western Star 49X Day Cab Truck - Detroit 600HP, 18 Speed Manual
8 0

2025 Western Star 49X Day Cab Truck - Detroit 600HP, 18 Speed Manual

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The Western Star 49X Tandem Axle Tractor is a green powerhouse built to dominate the road. With a DD16 engine roaring under the hood, it delivers plenty of torque, making light work of tough...
ConditionNew
Usage1,120 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power600 HP
Engine ModelDetroit DD16
Drivetrain6x4
Transmission18 Speed Manual
SuspensionAirLiner
Rear AxleTandem Axle
Stock NumberWS4907
MLS Number13250570
CategoryDay Cab Semi Trucks
Last Updated11/27/2024
Location
Bangor, ME, US
Sold By

Freightliner of Maine

Western Star 49X Sleeper Semi Truck - Flat Top Sleeper, Detroit 600HP, 18 Speed Manual
13 0

2025 Western Star 49X Sleeper Semi Truck - Flat Top Sleeper, Detroit 600HP, 18 Speed Manual

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1266 Miles, Engine: DETROIT DD16, 600 HP, Fuel Type: Diesel, 18 Speed Manual Transmission, Drive: 6x4, Spring Suspension, Sleeper Type: Flat Top Sleeper, Sleeper Size: 36, Tires: 11R24.5,...
ConditionNew
Usage1,266 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power600 HP
Engine ModelDetroit DD16
Drivetrain6x4
Transmission18 Speed Manual
Sleeper TypeFlat Top Sleeper
Sleeper Size36"
SuspensionSpring
Rear AxleTandem Axle
Rear End46,000 lb 4.30 ratio
Stock NumberWS4898
MLS Number13218645
CategorySleeper Semi Trucks
Last Updated11/22/2024
Location
Fort Kent, ME, US
Sold By

Freightliner of Maine

Western Star 49X Day Cab Truck - Detroit 600HP, 18 Speed Manual
9 0

2025 Western Star 49X Day Cab Truck - Detroit 600HP, 18 Speed Manual

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11 Miles, Engine: DETROIT DD16, 600 HP, Fuel Type: Diesel, 18 Speed Manual Transmission, Drive: 6x4, Spring Suspension, Tires: 11R24.5, Wheels: Aluminum, Wheel Base: 224, Tandem Rear Axles,...
ConditionNew
Usage11 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power600 HP
Engine ModelDetroit DD16
Drivetrain6x4
Transmission18 Speed Manual
SuspensionSpring
Rear AxleTandem Axle
Rear End46,000 lb 4.30 ratio
Stock NumberWS4895
MLS Number13171684
CategoryDay Cab Semi Trucks
Last Updated11/22/2024
Location
Fort Kent, ME, US
Sold By

Freightliner of Maine

Western Star 49X Sleeper Semi Truck - 36" Flat Top Sleeper, Detroit 600HP, 18 Speed Manual
12 0

2025 Western Star 49X Sleeper Semi Truck - 36" Flat Top Sleeper, Detroit 600HP, 18 Speed Manual

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914 Miles, Engine: DETROIT DD16, 600 HP, Fuel Type: Diesel, 18 Speed Manual Transmission, Drive: 6x4, Spring Suspension, Sleeper Type: Flat Top Sleeper, Sleeper Size: 36, Tires: 11R24.5,...
ConditionNew
Usage914 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power600 HP
Engine ModelDetroit DD16
Drivetrain6x4
Transmission18 Speed Manual
Sleeper TypeFlat Top Sleeper
Sleeper Size36"
SuspensionSpring
Rear AxleTandem Axle
Rear End46,000 lb 4.30 ratio
Stock NumberWS4863
MLS Number13056867
CategorySleeper Semi Trucks
Last Updated11/28/2024
Location
Fort Kent, ME, US
Sold By

Freightliner of Maine

Western Star 49X Sleeper Semi Truck - Detroit 600HP, 18 Speed Manual
15 0

2025 Western Star 49X Sleeper Semi Truck - Detroit 600HP, 18 Speed Manual

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1384 Miles, Engine: DETROIT DD16, 600 HP, Fuel Type: Diesel, 18 Speed Manual Transmission, Drive: 6x4, Spring Suspension, Sleeper Type: Flat Top Sleeper, Sleeper Size: 36, Tires: 11R24.5,...
ConditionNew
Usage1,384 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power600 HP
Engine ModelDetroit DD16
Drivetrain6x4
Transmission18 Speed Manual
Sleeper TypeFlat Top Sleeper
Sleeper Size36"
SuspensionSpring
Rear AxleTandem Axle
Rear End46,000 lb 4.30 ratio
Stock NumberWS4852
MLS Number13038859
CategorySleeper Semi Trucks
Last Updated11/28/2024
Location
Fort Kent, ME, US
Sold By

Freightliner of Maine

Western Star 49X Tandem Axle Cab & Chassis Truck - Detroit, 525HP, 18 Speed Manual
8 0

2025 Western Star 49X Tandem Axle Cab & Chassis Truck - Detroit, 525HP, 18 Speed Manual

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Rugged, Reliable, and Ready to work for YOU. With its heavy duty frame, advanced suspension system, and cutting-edge technology, the 49X is built for both on road and off road capabilities
ConditionNew
Usage6 Miles
Duty ClassHeavy Duty Cab & Chassis Truck
Horse Power525 HP
Engine ModelDetroit DD13
Drivetrain8x4
Transmission18 Speed Manual
SuspensionHendrickson HMX460
Rear AxleTandem Axle
Stock NumberWS4901
MLS Number13231948
CategoryCab & Chassis Trucks
Last Updated11/19/2024
Location
Bangor, ME, US
Sold By

Freightliner of Maine

Western Star 49X Day Cab Truck - Detroit 600HP, 18 Speed Manual
10 0

2025 Western Star 49X Day Cab Truck - Detroit 600HP, 18 Speed Manual

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6 Miles, Engine: DETROIT DD16, 600 HP, Fuel Type: Diesel, 18 Speed Manual Transmission, Drive: 6x4, Air Ride Suspension, Wheels: Aluminum, Wheel Base: 224, Tandem Rear Axles, Rear Axle...
ConditionNew
Usage6 Miles
Duty ClassHeavy Duty Day Cab Truck
Horse Power600 HP
Engine ModelDetroit DD16
Drivetrain6x4
Transmission18 Speed Manual
SuspensionAir Ride
Rear AxleTandem Axle
Rear End46,000 lb
Stock NumberWS4886
MLS Number13171679
CategoryDay Cab Semi Trucks
Last Updated10/12/2024
Location
Fort Kent, ME, US
Sold By

Freightliner of Maine

Western Star 49X Sleeper Semi Truck - Flat Top Sleeper, Detroit 600HP, 18 Speed Manual
13 0

2025 Western Star 49X Sleeper Semi Truck - Flat Top Sleeper, Detroit 600HP, 18 Speed Manual

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6 Miles, Engine: DETROIT DD16, 600 HP, Fuel Type: Diesel, 18 Speed Manual Transmission, Drive: 6x4, Air Ride Suspension, Sleeper Type: Flat Top Sleeper, Wheels: Aluminum, Wheel Base: 250,...
ConditionNew
Usage6 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power600 HP
Engine ModelDetroit DD16
Drivetrain6x4
Transmission18 Speed Manual
Sleeper TypeFlat Top Sleeper
SuspensionAir Ride
Rear AxleTandem Axle
Rear End46,000 lb
Stock NumberWS4882
MLS Number13142937
CategorySleeper Semi Trucks
Last Updated9/28/2024
Location
Bangor, ME, US
Sold By

Freightliner of Maine

Western Star 49X Sleeper Semi Truck - Flat Top Sleeper, Detroit 600HP, 18 Speed Manual
12 0

2025 Western Star 49X Sleeper Semi Truck - Flat Top Sleeper, Detroit 600HP, 18 Speed Manual

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7 Miles, Engine: DETROIT DD16, 600 HP, Fuel Type: Diesel, 18 Speed Manual Transmission, Drive: 6x4, Air Ride Suspension, Sleeper Type: Flat Top Sleeper, Wheels: Aluminum, Wheel Base: 250,...
ConditionNew
Usage7 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power600 HP
Engine ModelDetroit DD16
Drivetrain6x4
Transmission18 Speed Manual
Sleeper TypeFlat Top Sleeper
SuspensionAir Ride
Rear AxleTandem Axle
Rear End46,000 lb
Stock NumberWS4874
MLS Number13138144
CategorySleeper Semi Trucks
Last Updated9/28/2024
Location
Fort Kent, ME, US
Sold By

Freightliner of Maine

Western Star 49X Sleeper Semi Truck - Flat Top Sleeper, Detroit 600HP, 18 Speed Manual
12 0

2025 Western Star 49X Sleeper Semi Truck - Flat Top Sleeper, Detroit 600HP, 18 Speed Manual

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8 Miles, Engine: DETROIT DD16, 600 HP, Fuel Type: Diesel, 18 Speed Manual Transmission, Drive: 6x4, Air Ride Suspension, Sleeper Type: Flat Top Sleeper, Wheel Base: 250, Tandem Rear Axles,...
ConditionNew
Usage8 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power600 HP
Engine ModelDetroit DD16
Drivetrain6x4
Transmission18 Speed Manual
Sleeper TypeFlat Top Sleeper
SuspensionAir Ride
Rear AxleTandem Axle
Rear End46,000 lb
Stock NumberWS4875
MLS Number13051473
CategorySleeper Semi Trucks
Last Updated9/26/2024
Location
Bangor, ME, US
Sold By

Freightliner of Maine

Western Star 49X Sleeper Semi Truck - Flat Top Sleeper, Detroit 600HP, 18 Speed Manual
12 0

2025 Western Star 49X Sleeper Semi Truck - Flat Top Sleeper, Detroit 600HP, 18 Speed Manual

Call for price
1281 Miles, Engine: DETROIT DD16, 600 HP, Fuel Type: Diesel, 18 Speed Manual Transmission, Drive: 6x4, Air Ride Suspension, Sleeper Type: Flat Top Sleeper, Wheel Base: 250, Tandem Rear Axles...
ConditionNew
Usage1,281 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power600 HP
Engine ModelDetroit DD16
Drivetrain6x4
Transmission18 Speed Manual
Sleeper TypeFlat Top Sleeper
SuspensionAir Ride
Rear AxleTandem Axle
Rear End46,000 lb
Stock NumberWS4872
MLS Number13051647
CategorySleeper Semi Trucks
Last Updated8/22/2024
Location
Fort Kent, ME, US
Sold By

Freightliner of Maine

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