2021 Freightliner Cascadia 126 Sleeper Semi Truck - 72" Raised Roof Sleeper, Detroit 400HP, 12 Speed Dt12 Amt

2021 Freightliner Cascadia 126 Sleeper Truck

FOR SALE: 2021 Freightliner Cascadia 126 Sleeper Truck
Detroit DD15 | 400HP | 12-Speed Manual | 72" Double Bunk Sleeper | Low Miles | Fleet Ready

Built for Business. Engineered for the Road.
This 2021 Freightliner Cascadia 126 is the perfect truck for long-haul drivers and fleet operators who demand efficiency, comfort, and reliability. Featuring a Detroit DD15 engine with 400 horsepower, a 12-speed manual transmission, and low miles, this unit is ready to deliver both performance and profit.

Whether you're an owner-operator looking for a dependable workhorse or a fleet manager adding premium equipment to your lineup, this Cascadia offers the right combination of powertrain strength, interior comfort, and modern driver-focused technology.

Powertrain & Performance
Under the hood, the Detroit DD15 engine delivers dependable power with exceptional fuel economy, engineered to handle steep grades, long routes, and stop-and-go loads with ease. Paired with a 12-speed manual transmission, this truck puts control back in the driver’s hands—perfect for those who prefer to manage shifting in changing terrain or heavy loads.

With a 3.25 rear axle ratio and a 227” wheelbase, you’ll get a solid balance of torque, fuel efficiency, and smooth highway performance. The 200-gallon dual fuel tanks offer extended range, meaning fewer stops and more miles per day.

️ Sleeper Cab & Driver Comfort
Designed with the long-haul driver in mind, this truck features a spacious 72" double-bunk sleeper equipped with sleeper windows, giving drivers room to rest, relax, and recharge. The premium interior package includes:

EAPU (Electric Auxiliary Power Unit) for idle-free climate control

Air-ride driver and passenger seats for all-day comfort

Smart wheel controls for cruise, audio, and Bluetooth accessibility

Large overhead and side cabinet storage for gear and personal items

Premium interior trim and sound insulation for a quieter ride

Additional Equipment & Features
This Cascadia is loaded with practical upgrades that make it both fleet-ready and driver-approved:

Air sliding fifth wheel for easy trailer hookup and adjustment

Polished aluminum wheels with excellent rubber

Drum brakes for cost-effective maintenance

Hood mirrors for increased visibility and safety

Fresh DOT inspection completed—road-ready condition

Recently detailed inside and out—looks as good as it drives

Specifications at a Glance:
Component   Specification
Year/Make/Model   2021 Freightliner Cascadia 126
Engine   Detroit DD15 – 400 HP
Transmission   12-Speed Manual
Sleeper Size   72" Double Bunk
Fuel Capacity   200 Gallons (Dual Tanks)
Wheelbase   227”
Rear Axle Ratio   3.25
Brakes   Drum Brakes
Tires/Wheels   22.5” with Polished Aluminum Wheels
Condition   Excellent – Fresh DOT, Detailed

✅ Why Buy This Cascadia?
Low-mileage unit — offering many years of productive service

Proven Detroit powertrain — trusted by fleets nationwide

Well-equipped sleeper cab — comfort, storage, and quiet rest

Fully inspected, clean, and detailed — ready to hit the road today

Financing options and service contracts available
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