1. Home
  2. For Sale
  3. Trucks
  4. Sleeper Semi Trucks
  5. Freightliner
  6. Century Class
  7. Century Class 120

Freightliner Century Class 120 Sleeper Semi Trucks For Sale

Browse Freightliner Century Class 120 Sleeper Trucks on MyLittleSalesman.com and compare listings with prices from $9,000 to $12,000. Sellers include BigIron Auctions and Don Baskin Truck Sales. Filter by sleeper type, transmission, horsepower, mileage, and more to quickly narrow down to the right Freightliner Century Class 120 Sleeper Semi Truck.
Close
Your Current Search
Industry
Trucks
Category
Sleeper Semi Trucks
Manufacturer
Freightliner
Top-Model
Century Class
Model
Century Class 120
Click the to remove the filter.
Save Search
Email Alert
What's Save Search and Email Alert?
Narrow Your Search
Keyword Search
Search within the selected criteria
Equipment Type
Trucks (5)
Category
Sleeper Semi Trucks (5)
Make
Freightliner (5)
Model
Century Class (5)
   Century Class 120 (5)
Condition
Used (5)
Model Year
-
Rear Axle
Tandem (4)
Transmission Type
Transmission Speed
Engine Manufacturer
Detroit (4)
Sleeper Type
Raised Roof Sleeper (4)
Exterior Color
Suspension Type
Air Ride (4)
Fuel Type
Diesel (4)
Mileage
-
Horsepower
-
Inspection Report
Yes (0)
Warranty
Yes (0)
No (0)
Price
-
Country
United States (5)
State / Region
Select a state below and click Refine Results.

Seller Type
Auctioneers (1)
Dealerships (4)
Market Type

Quick Filters

Showing 1 - 5 of 5 Sleeper Semi Truck Listings

1 - 5 of 5 listings
1 - 5 of 5 listings
1999 Freightliner CST120 Century T/A Truck Tractor

1999 Freightliner CST120 Century T/A Truck Tractor

Newly Listed
At auction Sep. 9
1999 Freightliner Century Class C112 T/A Truck Tractor, 629,339 miles Showing, Title Will Be Marked Miles Exempt, Cummins M11-370E+ 10.8L 6-Cyl Turbo Diesel Engine, 370Hp, Water Cooled,...
ConditionUsed
Stock NumberLR5823
MLS Number14563689
CategorySleeper Semi Trucks
Last Updated8/28/2026
Location
Blair, NE, US
Listed By
BigIron Auctions
(844) 253-___  SHOW
NUMBERCall Seller
Email Seller
Save
BigIron Auctions
Freightliner Century Class 120 Sleeper Semi Truck - 70" Raised Roof Sleeper, Detroit 475HP, 10 Speed Manual

2007 Freightliner Century Class 120 Sleeper Semi Truck - 70" Raised Roof Sleeper, Detroit 475HP, 10 Speed Manual

$11,000 USD
RUNS AND DRIVES EXCELLENT, AIR SEAT, DOUBLE BUNK, DIFFERENTIAL LOCK, DUMP VALVE, SLIDING 5TH!,
ConditionUsed
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power475 HP
Engine ModelDetroit SERIES 60 14.0 DDEC V
Drivetrain6x4
Transmission10 Speed Manual
Sleeper TypeRaised Roof Sleeper
Sleeper Size70"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.58 ratio
Stock Number07DET97C120
MLS Number14468877
CategorySleeper Semi Trucks
Last Updated7/7/2026
Location
Covington, TN, US
Sold By
Don Baskin Truck Sales
(833) 801-___  SHOW
NUMBERCall Seller
Email Seller
Save
Don Baskin Truck Sales
Freightliner Century Class 120 Sleeper Semi Truck - 70" Raised Roof Sleeper, Detroit 455HP, 10 Speed Manual

2009 Freightliner Century Class 120 Sleeper Semi Truck - 70" Raised Roof Sleeper, Detroit 455HP, 10 Speed Manual

$10,000 USD
RUNS AND DRIVES, AIR SEAT, DOUBLE BUNK, DIFFERENTIAL LOCK, DUMP VALVE, SLIDING 5TH,,
ConditionUsed
Usage1,164,778 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power455 HP
Engine ModelDetroit DD15
Drivetrain6x4
Transmission10 Speed Manual
Sleeper TypeRaised Roof Sleeper
Sleeper Size70"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.58 ratio
Stock Number09DET116C120
MLS Number14042096
CategorySleeper Semi Trucks
Last Updated7/7/2026
Location
Covington, TN, US
Sold By
Don Baskin Truck Sales
(833) 801-___  SHOW
NUMBERCall Seller
Email Seller
Save
Don Baskin Truck Sales
Freightliner Century Class 120 Sleeper Semi Truck - 70" Raised Roof Sleeper, Detroit 450HP, 10 Speed Manual

2010 Freightliner Century Class 120 Sleeper Semi Truck - 70" Raised Roof Sleeper, Detroit 450HP, 10 Speed Manual

$12,000 USD
nice truck, runs great, clean. air seat, tilt/tele, power windows, dual air ride seats, double bunk, differential lock, dump valve, A/S 5th, fleet maintained
ConditionUsed
Usage932,900 Miles
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power450 HP
Engine ModelDetroit DD15
Drivetrain6x4
Transmission10 Speed Manual
Sleeper TypeRaised Roof Sleeper
Sleeper Size70"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb
Stock Number10DET932C120
MLS Number12497601
CategorySleeper Semi Trucks
Last Updated4/9/2026
Location
Covington, TN, US
Sold By
Don Baskin Truck Sales
(833) 801-___  SHOW
NUMBERCall Seller
Email Seller
Save
Don Baskin Truck Sales
Freightliner Century Class 120 Sleeper Semi Truck - 70" Raised Roof Sleeper, Detroit 455HP, 10 Speed Manual

2006 Freightliner Century Class 120 Sleeper Semi Truck - 70" Raised Roof Sleeper, Detroit 455HP, 10 Speed Manual

$9,000 USD
dual air ride seats, double bunk, differential lock, dump valve, A/S 5th, cruise, tilt/tele, *TRUCK RUNS AND DRIVES, ENGINE HAS BLOW-BY, SELLING AS IS,
ConditionUsed
Duty ClassHeavy Duty Sleeper Semi Truck
Horse Power455 HP
Engine ModelDetroit SERIES 60 12.7 DDEC IV
Drivetrain6x4
Transmission10 Speed Manual
Sleeper TypeRaised Roof Sleeper
Sleeper Size70"
SuspensionAir Ride
Rear AxleTandem Axle
Rear End40,000 lb 3.42 ratio
Stock Number06DET365C120
MLS Number11362916
CategorySleeper Semi Trucks
Last Updated11/10/2025
Location
Covington, TN, US
Sold By
Don Baskin Truck Sales
(833) 801-___  SHOW
NUMBERCall Seller
Email Seller
Save
Don Baskin Truck Sales
Save Search
Email Alert
What's Save Search and Email Alert?
Want to narrow or modify your search criteria?
Filter by Price
Filter by Year
Filter by Location
Filter by Model
Filter by Keyword
Modify your search
Did you find what you were looking for? Yes No
Got a Freightliner sleeper semi truck to sell? In minutes, you can create an online listing for your sleeper semi truck and advertise it to thousands of buyers.
Start selling today